Article
Materials Science, Ceramics
Leibo Deng, Zhe Fu, Zhang Mingxing, Hao Li, Bin Yao, Jianli He, Hua Chen, Yonghong Ma
Summary: The addition of ZrO2 increased glass stability and decreased crystallization ability; at higher temperatures, mullite and quartz phases first precipitated in the glass matrix, then converted into cordierite.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2022)
Article
Chemistry, Physical
Weili Wang, Jianqi Chen, Xiaoning Sun, Guoxun Sun, Yanjie Liang, Jianqiang Bi
Summary: In this paper, alumina matrix composites were fabricated by hot-pressing with the incorporation of additives including zirconia, alumina platelets, and MXene. The influence of these additives on the microstructure and mechanical properties of the composites was investigated. The results showed that the bending strength and fracture toughness of alumina were greatly improved by the introduced additives. Zirconia contributed to the improvement of mechanical properties through phase-transformation strengthening and toughening mechanism, while alumina platelets enhanced fracture toughness by self-toughening of elongated grains. In addition, the combined effect of alumina platelets and MXene significantly increased the fracture toughness of the composite.
Article
Materials Science, Ceramics
Tong Wang, Lei Jiang, Shoujun Hou, Shuang Yin, Tao Luo, Xia Fang, Jun Yuan, Xuehua Tang, Yang Wang, Quan Li, Jian Yang
Summary: This study aimed to develop veneer porcelain for Si3N4 dental ceramics. Cordierite glass-ceramics were prepared through the sintering method, and the effects of glass powder particle size and accelerated aging time on the structure and properties of cordierite glass-ceramics were investigated. The cordierite glass-ceramics prepared from glass powder with a ball milling time of 10 hours exhibited the optimal performance, meeting the standard requirements for dental ceramics. After an accelerated aging test, the samples still met the standard requirements, indicating good stability and anti-aging properties. The interface of the cordierite glass-ceramics/Si3N4 ceramics exhibited a mixed failure mode with a bonding strength of 8.49 MPa after HF acid etching was conducted to improve the surface roughness of Si3N4 ceramics.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
Sun Yangshan, Yang Zhihua, Cai Delong, Zhang Zhengyi, Liu Qi, Fang Shuqing, Feng Liang, Shi Lifen, Wang Youle, Jia Dechang
Summary: Glass-ceramics with excellent properties, including low CTE, good mechanical strength and dielectric properties, can be easily prepared by using non-stoichiometric cordierite components and adding B2O3.
JOURNAL OF INORGANIC MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Leibo Deng, Zhe Fu, Linxing Gao, Hao Li, Yongsheng Du, Hua Chen, Ming Zhao, Jianli He, Yonghong Ma
Summary: MgO-Al2O3-SiO2 (MAS) glass and transparent glass ceramics co-doped with P2O5/ZrO2/TiO2 were synthesized using conventional melt-quenching technique. The crystallization behavior, glass stability, phase composition, structure, and light transmittance characteristics of the glass ceramics were discussed. Results showed that P2O5 improved the stability of the basic glass and the obtained transparent glass ceramics had a crystallization process involving volume nucleation and one- or two-dimensional growth. Alpha-cordierite was the main crystalline phase in the prepared glass ceramics, and nanocrystals were observed. The distribution maps obtained via energy-dispersive X-ray spectroscopy showed uniform distribution of major elements in both the glass and crystalline phases. The resulting glass ceramics exhibited a transmittance of >80%, indicating the feasibility of synthesizing transparent cordierite glass ceramics.
Review
Materials Science, Multidisciplinary
Victor Morales-Florez, Arturo Dominguez-Rodriguez
Summary: This review article provides a comprehensive overview and discussion on the fabrication methods and mechanical properties improvement of ceramic matrix composites using different carbon allotropes as reinforcements. Although significant improvements have been achieved, there are still some critical issues that need to be addressed in order to fully exploit the potential of this reinforcement strategy.
PROGRESS IN MATERIALS SCIENCE
(2022)
Article
Materials Science, Ceramics
Wei Yu, Shengshuo Cao, Jing Wang, Zhanmeng Zhang, Jianjun Han, Chao Liu, Jian Ruan
Summary: Cordierite glass-ceramics usually crystallize from the surface, and different nucleating agents can affect the crystallization behavior. The heat treatment process plays a crucial role in determining the final properties of the glass-ceramics.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
Lei Jiang, Tong Wang, Shuang Yin, Tao Luo, Xia Fang, Jun Yuan, Xuehua Tang, Yang Wang, Quan Li, Jian Yang
Summary: This study developed thermally matched veneer porcelain for silicon nitride as potential dental ceramics. Cordierite glass-ceramics with TiO2 and ZrO2 as nucleating agents and CaCO3 as sintering aids were prepared. The cordierite glass-ceramics showed excellent comprehensive properties and met the standards for dental ceramics, with no cytotoxicity. However, slight adjustment is needed to achieve optimal chromaticity values.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Nanoscience & Nanotechnology
Jianqi Chen, Weili Wang, Xiaoning Sun, Guoxun Sun, Yanjie Liang
Summary: Nacre-like alumina ceramics with zirconia particles uniformly distributed between the layers are successfully fabricated using freeze casting and hot pressing. The addition of zirconia greatly improves the flexural strength and fracture toughness of the material. Microstructure observation and fracture behavior analysis reveal that the enhanced mechanical properties are attributed to the bioinspired nacre-like structure and stress-induced transformation toughening.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2022)
Article
Materials Science, Ceramics
Konstantinos Dimitriadis, Dilshat U. Tulyaganov, Simeon Agathopoulos
Summary: This study synthesized novel alumina-containing bioactive glass-ceramics with additives, producing dense materials with improved mechanical properties and bioactivity. The materials exhibited mechanical properties matching those of human bone and dentine, and showed the formation of hydroxyapatite in simulated body fluid.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Ceramics
He Li, Hamada Elsayed, Paolo Colombo
Summary: Stereolithography based 3D printing is efficient for fabricating alumina ceramics. The mechanical properties of 3D printed alumina ceramics were investigated in this study. The addition of TiO2 increased the flexural strength, but also led to anisotropic behavior. The addition of CaCO3 decreased the shrinkage and flexural strength due to the formation of elongated grains, while the addition of MgO helped decrease anisotropic differences in mechanical properties.
CERAMICS INTERNATIONAL
(2023)
Article
Materials Science, Ceramics
D. Tovar-Vargas, E. Roitero, M. Anglada, E. Jimenez-Pique, H. Reveron
Summary: Ceria-stabilized zirconia-based composites have enhanced hardness, strength, and fracture toughness, along with excellent aging resistance, especially for the 10Ce-1CaO-5Al(2)O(3) composition.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2021)
Article
Materials Science, Multidisciplinary
Lulu Wang, Beiyue Ma, Xinming Ren, Chao Yu, Jialong Tian, Chunming Liu, Chengji Deng, Chuanbo Hu, Zhaoyang Liu, Jingkun Yu, Zhouhua Jiang
Summary: By introducing ZrO2 as sintering additives in porous cordierite ceramics, the mechanical properties (from 77.43 to 148.18 MPa) and thermal properties (from 1.66 to 2.09 W m(-1) K-1) were significantly improved. This enhancement was achieved by promoting phase evolution and the substitution reaction of Zr4+ and Mg2+ in cordierite, as well as facilitating the formation of ZrSiO4.
MATERIALS TODAY COMMUNICATIONS
(2022)
Article
Materials Science, Ceramics
Shoulei Yang, Sirui Yang, Yinxiao Zhu, Xinxin Fu, Pengfei Wei, Lei Fan, Mengwen Zhang
Summary: This study investigates the effects of electrical field on the microstructure and mechanical properties of flash sintered MgO-doped-Al2O3 ceramics. The results show that the application of electrical field significantly enhances the relative density of the flash sintered alumina ceramics, resulting in ultra-fine grain and homogeneous microstructures. As a result, the flash sintered specimens exhibit excellent mechanical properties, including high hardness and fracture toughness.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Yongsheng Yu, Jinghan Wang, Yuanyuan Yu, Zhaoli Yan, Yanyan Du, Pengfei Chu, Qiangshan Jing, Peng Liu
Summary: Single-phase alpha-cordierite glass-ceramics for LTCC substrates were successfully fabricated from tuff without the addition of sintering additives. The glass-ceramics sintered at 900℃ with 45 wt.% tuff content exhibited excellent properties.
Article
Materials Science, Multidisciplinary
Luis Eduardo Caldeira, Camila Stockey Erhardt, Fabricio Ravanello Mariosi, Janio Venturini, Rubia Young Sun Zampiva, Oscar Rubem Klegues Montedo, Sabrina Arcaro, Carlos Perez Bergmann, Saulo Roca Braganca
Summary: Several studies have demonstrated the exceptional responses of spinel cobalt ferrites as advanced ceramics, but there is still a gap in the literature regarding the impact of synthesis parameters on product properties. This research aims to correlate temperature and annealing time with structural, optical, and magnetic properties of CoFe2O4. The results indicate that treatments longer than 6 hours at temperatures higher than 650 degrees Celsius can lead to fewer inverted nanoparticles and larger crystallites, while the sample annealed for the shortest time and at the lowest temperature exhibited the highest coercivity.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Marcelo Tramontin Souza, Paulo Ricardo de Matos, Jose da Silva Andrade Neto, Rafael Dors Sakata, Carlos Eduardo Maduro de Campos, Antonio Pedro Novaes de Oliveira, Oscar Rubem Klegues Montedo, Sabrina Arcaro
Summary: The addition of zinc oxide significantly increases the content of alite (C3S) in cement, allowing for over 80 wt% C3S in a single-burn clinkering process. Zinc oxide incorporation reduces triclinic C(3)S content while increasing monoclinic C3S content. There were no significant hydration delays observed when zinc oxide was added to cement synthesized at 1300 and 1500 degrees C.
Article
Materials Science, Multidisciplinary
Danila Ferreira Niero, Oscar Rubem Klegues Montedo, Adriano Michael Bernardin
Summary: This study successfully synthesized nano alpha-alumina by an inorganic sol-gel method. By varying the concentration of the precipitating agent and the order of reaction, aluminum hydroxide was obtained as the product. Aluminum chloride and aluminum nitrate were used as precursors, and the desired nano alumina phase was obtained after calcination at 1,200 degrees C. The alumina powders were analyzed using various characterization techniques, and the results showed that 89% Al(OH)(3) and 58% Al2O3 were obtained after calcination under the condition of simultaneous addition of 12 M sodium hydroxide, aluminum chloride, and aluminum nitrate.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2022)
Article
Materials Science, Ceramics
Mariana Borges Polla, Joao Lucas Nicolini, Janio Venturini, Alexandre da Cas Viegas, Marcos Antonio Zen Vasconcellos, Oscar Rubem Klegues Montedo, Sabrina Arcaro
Summary: A new approach to obtaining superparamagnetic magnetite nanoparticles through citrate-nitrate sol-gel synthesis and heat treatment is presented. The study found that decreasing the equivalence ratio can decrease the temperature required for magnetite formation, and the release rates of reducing gases influence the properties of the final product. The prepared iron oxide nanoparticles were in the magnetite phase and displayed excellent potential for biomedical and environmental applications.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Mariana de Souza Pereira, Rafaela Pereira Mendes, Gecica Cardoso Bellettini, Renata Martins Benetti, Fabio Elyseu, Adriano Michael Bernardin
Summary: TiO2 is the most commonly used semiconductor for mineralization of organic compounds in heterogeneous photocatalysis. The discoloration of an organic dye is the commonly used technique to determine the photocatalytic performance of semiconductors, but there is no consensus on the procedure for dye discoloration. In this study, the ISO 10678:2010 standard was used as a guide to test the performance of TiO2 (P25) for the discoloration of methylene blue under UV light. The parameters studied were exposure time, dye concentration, and UV light intensity. The results showed that UV light intensity was the only factor affecting photocatalysis.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Environmental Studies
J. Acordi, L. Simao, M. N. S. Faraco, C. H. Borgert, E. Olivo, O. R. K. Montedo, F. Raupp-Pereira
Summary: Mineral coal reserves are widely distributed and the extraction and processing of these reserves lead to the generation of large amounts of tailings. This study analyzes the valorization potential of these wastes in Brazil, using a circular economy perspective and a systematic classification-quantity-potentiality and feasibility-application criterion. The waste was classified as nonhazardous and noninert and showed similarities to raw materials used in construction materials manufacturing. The analysis indicated that coal tailings have great application potential in the construction sector, contributing to cleaner production and a more circular economy.
Article
Materials Science, Ceramics
Jordana Mariot Inocente, Renata Bochanoski da Costa, Ana Sonia Mattos, Rodrigo Moreno, Sabrina Arcaro, Oscar Rubem Klegues Montedo
Summary: This study presents the synthesis of low-CTE lithium aluminium silicate nanoparticles obtained through a colloidal approach using lithium acetate, silica, and alumina. The powders mainly consisted of beta-spodumene and beta-eucryptite phases, which showed a low CTE after thermal treatment. With some adjustments in the synthesis conditions, powders with even lower CTE could be obtained.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Physical
Vitor de Souza Nandi, Alexandre Zaccaron, Fabiano Raupp-Pereira, Sabrina Arcaro, Adriano Michael Bernardin, Oscar Rubem Klegues Montedo
Summary: This study investigated three different clays for producing clay-based structural products via fast drying. The optimal clay compositions were determined based on their plasticity and extrusion properties.
Article
Green & Sustainable Science & Technology
Diorgines Mattos Machado, Bruno Gambalonga Jr, Lisandro Sima, Manuel Joaquim Ribeiro, Oscar Rubem Klegues Montedo, Fabiano Raupp-Pereira, Sabrina Arcaro
Summary: The manufacturing and processing industries in Brazil are important for the economy but generate significant waste from natural resources, much of which is disposed of in industrial landfills. Extending the life cycle of industrial waste is essential for promoting sustainability. This study evaluated the solid industrial residue of foundry sand using the CPQvA system, which assesses environmental class, analyzes potential, identifies quantity and feasibility, and suggests applications. After assessing environmental impact and economic feasibility, asphalt mass, concrete blocks for civil construction, and hexagonal concrete blocks for interlocking pavement were found to be the most favorable for valorizing foundry sand.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Engineering, Environmental
Bruno Gambalonga, Joao Lucas Nicolini, Jordana Mariot Inocente, Claus Troger Pich, Elidio Angioletto, Fabiano Raupp Pereira, Oscar Rubem Klegues Montedo, Sabrina Arcaro
Summary: This study aims to evaluate the value of metal smelting waste foundry sand (WFS) as an aggregate in hot-mix asphalt mixtures (HMA) using systematic criteria. The results showed that a composition containing 10 wt% of waste foundry sand was suitable for recovery into HMA.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Chemistry, Multidisciplinary
Silviany Goulart-Goncalves, Mariana de Souza-Pereira, Renata Martins Benetti, Gecica Cardoso Bellettini, Fabio Elyseu, Alexandre Goncalves Dal-Bo, Adriano Michael Bernardin
Summary: This study aimed to synthesize TiO2 nanoparticles for photocatalysis under UV light without further heat treatment. A 2k factorial design was used to evaluate the effect of precursor/reducing agent ratio on the synthesis. TiO2 nanoparticles with large surface area were successfully synthesized via a controlled precipitation method. The synthesized nanoparticles showed comparable photocatalytic activity to commercial TiO2.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2023)
Article
Green & Sustainable Science & Technology
Maria Alice Prado Cechinel, Joao Lucas Nicolini, Pedro Monteiro Tapia, Edgar Andres Chavarriaga Miranda, Sarah Eller, Tiago Franco de Oliveira, Fabiano Raupp-Pereira, Oscar Rubem Klegues Montedo, Tiago Bender Wermuth, Sabrina Arcaro
Summary: In this study, cobalt ferrite spinel was used for the first time as a catalyst in the Fenton process to degrade Remazol Red RR dye in water. By evaluating its structural, surface optics, magnetic properties, and optimal Fenton reagent conditions, the potential of CoFe2O4 as an effective catalyst for dye degradation was demonstrated.
Article
Engineering, Environmental
Thays de Oliveira Guidolin, Kelvin Goularte dos Santos, Oscar Rubem Klegues Montedo, Fabiano Raupp Pereira, Sabrina Arcaro, Maria Alice P. Cechinel
Summary: This study investigated the use of pyritic waste as a catalyst for the discoloration of textile effluents. The particle size and pre-treatment of the catalyst were found to affect the efficiency of the discoloration process. The results showed that the catalyst concentration, H2O2 concentration, and reaction time were important factors in achieving optimal discoloration. The study also revealed the stability of the catalyst and its potential environmental benefits.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Green & Sustainable Science & Technology
Iara Victorino de Sousa, Leidy Johanna Jaramillo Nieves, Alexandre Goncalves Dal-Bo, Adriano Michael Bernardin
Summary: This study investigates the feasibility of producing cellular ceramics from porcelain tiles polishing residues and evaluates their physical, mechanical, and microstructural characteristics. The results show that the properties of the ceramics can be controlled by adjusting the compaction pressure, firing temperature, and firing time.
CLEANER ENGINEERING AND TECHNOLOGY
(2022)
Article
Nanoscience & Nanotechnology
Ahmad Mirzaei, Peter D. Hodgson, Xiang Ma, Vanessa K. Peterson, Ehsan Farabi, Gregory S. Rohrer, Hossein Beladi
Summary: This study investigated the influence of parent austenite grain refinement on the intervariant boundary network in a lath martensitic steel. It found that refining the parent austenite grain led to a decrease in the fraction of certain boundaries in the martensite and an increase in the connectivity of low energy boundaries, ultimately improving the impact toughness.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
N. L. Church, C. E. P. Talbot, L. D. Connor, S. Michalik, N. G. Jones
Summary: Metastable beta Ti alloys based on the Ti-Nb system have attracted attention due to their unique properties. However, the unstable cyclic behavior of these alloys has hindered their widespread industrial use. Recent studies have shown that internal stresses, including those from dislocations, may be responsible for this behavior. This study demonstrates that inter-cycle thermal treatments can mitigate the unstable cyclic behavior, providing a significant breakthrough in our understanding of Ti-Nb superelastic materials.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Di Zhao, Chenchen Zhao, Ziyang Xiu, Jiuchun Yan
Summary: This study proposes a novel strategy for achieving the bonding of SiC ceramic and Al alloy using ultrasound. The ultrasound promotes the dissolution of Al into the solder, activating the solder and triggering the interfacial reaction between SiC ceramic and solder. With increasing ultrasonic duration, the bonding between SiC and Al transitions from partial to full metallurgical bonding.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Kang Du, Yang Zhang, Guangda Zhao, Tao Huang, Liyuan Liu, Junpeng Li, Xiyu Wang, Zhongwu Zhang
Summary: This paper systematically investigated the evolution of microstructure in Fe-Ni-Co-Al polycrystalline alloys and its effects on mechanical properties. The results revealed that the migration of grain boundaries in different processes is driven by different factors, which impacts the grain orientation and precipitate formation. In the process of directional recrystallization, grains with specific orientations grow in the grain boundary region and form the dominant orientation, while grains with lower migration rate form the minor orientation. The alloy produced through directional recrystallization exhibited good recoverable strain and superelastic strain, while the alloy produced through solid solution treatment showed no evident superelastic behavior.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Edohamen Awannegbe, Liang Chen, Yue Zhao, Zhijun Qiu, Huijun Li
Summary: This study employed laser metal deposition to additively manufacture Ti-15Mo wt% alloy, and subsequently subjected it to post-fabrication uniaxial thermomechanical processing. The results showed that different zones in the microstructure remained after processing, and deformation mechanisms mainly involved slip and martensite formation. The compressive mechanical properties were found to be dependent on strain rate, with higher flow stress and compressive strength observed at higher strain rates. Grain structure homogenisation was not achieved, leading to anisotropic tensile properties.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Reza Khatib Zadeh Davani, Enyinnaya George Ohaeri, Sandeep Yadav, Jerzy A. Szpunar, Jing Su, Michael Gaudet, Muhammad Rashid, Muhammad Arafin
Summary: This research aims to investigate the effect of roughing and finishing reductions on crystallographic texture. The results show significant heterogeneity in the centerline region, with higher intensity of certain textures. Drop Weight Tear Test indicates that steel specimens with lower and medium reductions exhibit superior low-temperature impact toughness compared to steel with higher reductions. The electrochemical hydrogen charging experiments confirm the presence of internal hydrogen cracks only in steel with lower and medium reductions.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Flavio De Barbieri, Denis Jorge-Badiola, Rodrigo Allende, Karem Tello, Alfredo Artigas, Franco Perazzo, Henry Jami, Juan Perez Ipina
Summary: This study examines the effect of Cr additions on the mechanical behavior of TWIP steel at temperatures ranging from 25°C to 350°C. The results indicate that different temperature-dependent strengthening mechanisms, including mechanical twinning, Dynamic Strain Aging, and slip bands, are at play. The stacking fault energy (SFE) influences the percentage of mechanical twinning, which in turn affects the strain hardening rate.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Hanlin Peng, Siming Huang, Ling Hu, Bingbing Luo, Liejun Li, Ian Baker
Summary: This study explores the weldability, microstructures, and mechanical properties of two L1(2)-nanoparticle-strengthened medium-entropy alloys after electron beam welding (EBW). The results show that strong yet ductile defect-free joints were produced, with larger grain sizes in the fusion zones compared to the heat-affected zones and base materials. Both EBWed MEAs exhibited high yield strengths, high ultimate tensile strengths, and good fracture strains at 77 K. The V-doping improved the cryogenic mechanical properties of the TMT MEA.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Yongxin Wang, Lei Chen, Lizi Shao, Shuo Hao, Motomichi Koyama, Xingzhou Cai, Xiaocong Ma, Miao Jin
Summary: This study investigated the tensile deformation behavior of an Mn-N bearing lean duplex stainless steel with metastable austenite. The results showed that the strain rate had significant influence on the work hardening, strain-induced martensitic transformation, and fracture mechanism.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Jong Woo Won, Seulbi Lee, Hye-Jeong Choe, Yong-Taek Hyun, Dong Won Lee, Jeong Hun Lee
Summary: Cold-rolled pure titanium showed improved sheet formability after undergoing cryogenic-deformation treatment. This treatment increased the thinning capability of the titanium and suppressed cracking during sheet forming. The formation of twins during deformation contributed to high thinning capability and increased strength through grain refinement and dislocation accumulation.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Handong Li, Lin Su, Lijuan Wang, Yanbin Jiang, Jiahui Long, Gaoyong Lin, Zhu Xiao, Yanlin Jia, Zhou Li
Summary: Homogenization heat treatment is a key procedure in controlling the second phase, enhancing composition uniformity, and workability of as-cast Cu-15Ni-8Sn alloy. This study found that electropulsing treatment (EPT) can significantly reduce treatment temperature and time, improve elongation and overall mechanical properties of the alloy.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Yuxuan Wang, Juntao Zou, Lixing Sun, Yunfei Bai, Zhe Zhang, Junsheng Cheng, Lin Shi, Dazhuo Song, Yihui Jiang, Zhiwei Zhang
Summary: A novel mechanical-heat-electricity synergistic method was proposed to enhance the mechanical properties of Cu-15Sn-0.3Ti alloy by forming annealing twins (ATs). The combination method of Rotary swaging (RS) and Electric pulse treatment (EPT) successfully induced recrystallization and refinement of the microstructure, leading to a significant increase in the strength of the alloy within a short time.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Zhiyi Ding, Jiangtao Xie, Tong Wang, Aiying Chen, Bin Gan, Jinchao Song
Summary: This study demonstrated the Ta-induced strengthening of CoCrNi-AlTi MEAs using nanoscale heterogeneous coherent precipitates. The addition of Ta and aging treatments significantly enhanced the mechanical properties of the alloy, including yield strength, ultimate tensile strength, and elongation.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Z. Y. You, Z. Y. Tang, B. Wang, H. W. Zhang, P. Li, L. Zhao, F. B. Chu, H. Ding
Summary: The mechanical properties and microstructural evolution of C-doped TRIP-assisted HEA under dynamic loading conditions were systematically investigated in this study. The results showed that dynamic tensile deformation led to an increase in yield strength and a decrease in ultimate tensile strength, with a trend towards increased total elongation. The primary deformation mechanisms shifted from TRIP and TWIP effects to deformation twinning and dislocations. The presence of carbides formed through C-doping hindered dislocation slip and promoted the activation of multiple twinning systems.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)
Article
Nanoscience & Nanotechnology
Feng Qin, Feihu Chen, Junhua Hou, Wenjun Lu, Shaohua Chen, Jianjun Li
Summary: Plastic instability in strong multilayered composites is completely suppressed by architecting nanoscale BCC Nb crystalline-amorphous CuNb interfaces.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2024)