Article
Materials Science, Multidisciplinary
Mariana P. Medeiros, Amanda P. Carvalho, Augusta Isaac, Conrado R. M. Afonso, Milos Janecek, Peter Minarik, Mayerling Martinez Celis, Roberto B. Figueiredo
Summary: The effect of high pressure torsion processing on the mechanical properties and corrosion behavior of various magnesium alloys was studied. Severe plastic deformation processing improved the strength of all alloys, but deformation localization occurred in the Mg-Zn-Ca and Mg-Y-RE alloys. Pure magnesium, Mg-Zn, and Mg-Li-Y alloys exhibited good corrosion resistance with low corrosion rates and maintained integrity after 28 days of immersion.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Chemistry, Physical
Andrea Mizelli-Ojdanic, Jelena Horky, Bernhard Mingler, Mattia Fanetti, Sandra Gardonio, Matjaz Valant, Bartosz Sulkowski, Erhard Schafler, Dmytro Orlov, Michael J. Zehetbauer
Summary: This study analyzed several biodegradable Mg alloys through high-pressure torsion and elevated temperature heat treatments, revealing significant strength increases from various factors including dynamic recovery for improved ductility. The study also showed that the initial values of Young's modulus and corrosion resistance were largely unaffected by the processing routes, indicating a viable method for optimizing Mg alloys for enhanced mechanical properties while maintaining corrosion properties.
Review
Metallurgy & Metallurgical Engineering
M. Kasaeian-Naeini, M. Sedighi, R. Hashemi
Summary: This paper summarizes the use of severe plastic deformation (SPD) techniques to achieve an ultrafine-grained (UFG) structure in magnesium alloys and composites. The effects of various SPD methods on magnesium microstructure, mechanical properties, and corrosion behavior are discussed.
JOURNAL OF MAGNESIUM AND ALLOYS
(2022)
Review
Chemistry, Physical
Mariana P. Medeiros, Debora R. Lopes, Megumi Kawasaki, Terence G. Langdon, Roberto B. Figueiredo
Summary: There is great interest in using severe plastic deformation (SPD) to improve the performance of magnesium for biological applications. However, contradictory reports exist regarding the properties and trends. This study reviews the structural features, mechanical properties, corrosion behavior, and biological response of magnesium and its alloys processed by SPD, with a focus on equal-channel angular pressing (ECAP) and high-pressure torsion (HPT). The results show that grain refinement through SPD can improve the mechanical properties and corrosion resistance of magnesium without compromising the biological response, indicating the great potential of SPD for enhancing the performance of magnesium for biological applications.
Article
Chemistry, Physical
Anna Dobkowska, Aleksandra Zielinska, Irena Paulin, Crtomir Donik, Maciej Lojkowski, Milena Koralnik, Boguslawa Adamczyk-Cieslak, Krystian Paradowski, Marek Tkocz, Dariusz Kuc, Jiri Kubasek, Matjaz Godec, Wojciech Swieszkowski
Summary: We investigated the microstructure, mechanical, and corrosion properties of an AZ61 alloy extruded using the KoBo method. The KoBo method enables extrusion of AZ61 without preheating and results in significant microstructure refinement. However, this study found that it did not enhance the strength or corrosion resistance of the AZ61 alloy. The continuously precipitated Mg17Al12 phase along the grain boundaries was identified as the main factor affecting the alloy's properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Adrien Heinzelmeier, Antoine Guitton, Marc Novelli, Wenbo Yu, Thierry Grosdidier
Summary: Ti2AlC and Ti3AlC2 are part of the MAX phases, a family of layered compounds. The study tests a composite approach to improve the brittleness of these compounds. Surface severe plastic deformation (SSPD) was conducted on a bulk MAX compound and a MAX/TiAl2 composite using surface mechanical attrition treatment (SMAT). The presence of intergranular TiAl2 effectively prevented failure in the composite, resulting in a surface hardening gradient extending down to a depth of 250 μm.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Automation & Control Systems
Nanyang Zhu, Chaoyang Sun, Lingyun Qian, Mingjia Wang, Xintong Li
Summary: This study proposes a new variable circular channel angular extrusion (VCCAE) process for manufacturing magnesium alloy plates with rib-web structure. The feasibility and accuracy of the process are validated through numerical simulations and experiments. The results show that stress and strain distribution in the longitudinal section is highly inhomogeneous, with significant stress concentration at the shear plane. The microstructure in the angular region is more uniform and finer, indicating that severe shear deformation induced by the angular channel promotes deformation uniformity and grain refinement.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2022)
Review
Materials Science, Multidisciplinary
Kaveh Edalati, Etsuo Akiba, Walter J. Botta, Yuri Estrin, Ricardo Floriano, Daniel Fruchart, Thierry Grosdidier, Zenji Horita, Jacques Huot, Hai-Wen Li, Huai-Jun Lin, Adam Revesz, Michael J. Zehetbauer
Summary: Magnesium and its alloys are extensively studied for solid-state hydrogen storage, but there are challenges in the kinetics and thermodynamics of hydrogenation and dehydrogenation. Severe plastic deformation methods have been utilized to improve the activation, air resistance, and kinetics of Mg-based hydrogen storage materials by introducing ultrafine/nanoscale grains and crystal lattice defects. These deformed materials, particularly with alloying additives or second-phase nanoparticles, exhibit fast hydrogen absorption/desorption kinetics and good cycling stability. The study also highlights the application of severe plastic deformation methods in hydrogen binding-energy engineering and the synthesis of new magnesium alloys for reversible low/room-temperature hydrogen storage.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2023)
Article
Materials Science, Multidisciplinary
Martin Fibela-Esparza, Armando Salinas-Rodriguez, Juan Mendez-Nonell, Jose Martin Herrera-Ramirez, Yoshikazu Todaka, Jose Gerardo Cabanas-Moreno
Summary: A Mg-based composite material was produced by high-pressure torsion (HPT) consolidation. Differences were observed in density and microhardness measurements between the center and the periphery. Surface contamination of the Mg powders did not prevent full consolidation of the material.
Review
Materials Science, Multidisciplinary
Kaveh Edalati, Andrea Bachmaier, Victor A. Beloshenko, Yan Beygelzimer, Vladimir D. Blank, Walter J. Botta, Krzysztof Bryla, Jakub Cizek, Sergiy Divinski, Nariman A. Enikeev, Yuri Estrin, Ghader Faraji, Roberto B. Figueiredo, Masayoshi Fuji, Tadahiko Furuta, Thierry Grosdidier, Jeno Gubicza, Anton Hohenwarter, Zenji Horita, Jacques Huot, Yoshifumi Ikoma, Milos Janecek, Megumi Kawasaki, Petr Kral, Shigeru Kuramoto, Terence G. Langdon, Daniel R. Leiva, Valery Levitas, Andrey Mazilkin, Masaki Mito, Hiroyuki Miyamoto, Terukazu Nishizaki, Reinhard Pippan, Vladimir V. Popov, Elena N. Popova, Gencaga Purcek, Oliver Renk, Adam Revesz, Xavier Sauvage, Vaclav Sklenicka, Werner Skrotzki, Boris B. Straumal, Satyam Suwas, Laszlo S. Toth, Nobuhiro Tsuji, Ruslan Z. Valiev, Gerhard Wilde, Michael J. Zehetbauer, Xinkun Zhu
Summary: This article comprehensively reviews recent advances in the development of ultrafine-grained and nanostructured materials through severe plastic deformation and provides a brief history of this field. Severe plastic deformation methods have been effective in producing materials with advanced mechanical and functional properties, and the field of NanoSPD has experienced significant progress in the past two decades.
MATERIALS RESEARCH LETTERS
(2022)
Review
Metallurgy & Metallurgical Engineering
Ahmad Bahmani, Mehrab Lotfpour, Milad Taghizadeh, Woo-Jin Kim
Summary: Magnesium (Mg) alloys have advantages and disadvantages. Severe plastic deformation (SPD) can improve the microstructure and enhance the strength and formability of Mg alloys. However, the effects of SPD on the corrosion of Mg alloys are controversial. Therefore, it is important to review the literature on the corrosion properties of Mg alloys prepared by SPD and understand the mechanisms controlling their corrosion behavior.
JOURNAL OF MAGNESIUM AND ALLOYS
(2022)
Article
Nanoscience & Nanotechnology
Jairo Alberto Munoz, Tarek Khelfa, Alexander Komissarov, Jose-Maria Cabrera
Summary: ECAP processing leads to grain size reduction and strength increase; grain sizes range from 0.9µm to 0.36µm; the low ductility of UFG material may be associated with a high annihilation rate.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Review
Materials Science, Multidisciplinary
Temitope Olumide Olugbade
Summary: This article mainly introduces the advantages of aluminium alloys and their localized corrosion problems, as well as methods to address these problems. The formation of gradient-structured layers through severe plastic deformation and heat treatments/coatings is the main approach to overcome the shortcomings of aluminium alloys. The corrosion properties of severely plastic-deformed aluminium alloys obtained via different methods were extensively reviewed and summarized. The corrosion mechanisms and factors responsible for the improvement or deterioration in corrosion resistance of aluminium alloys after surface modification were discussed, and future prospects and research trends were summarized.
METALS AND MATERIALS INTERNATIONAL
(2023)
Article
Materials Science, Coatings & Films
Yuanyong Ouyang, Zhihao Chen, Chunyun Jiang, Wenzhong Yang, Yun Chen, Xiaoshuang Yin, Ying Liu
Summary: A double-layer composite coating was prepared on AZ31 Mg alloys, consisting of disorderly distributed nanofibers and PO43- groups; the coating exhibited high bonding strength and reduced corrosion rate, showing great potential in orthopedic applications.
SURFACE & COATINGS TECHNOLOGY
(2021)
Review
Metallurgy & Metallurgical Engineering
Feng Peng, Dongdong Zhang, Xuanyong Liu, Yu Zhang
Summary: Surface modification plays a critical role in improving the corrosion resistance of magnesium and its alloys, with superhydrophobic coatings inspired by nature serving as an effective protective method due to their water contact angle greater than 150 degrees. The review discusses the model and protection mechanism of superhydrophobic coatings, as well as methods for fabricating them on Mg alloys and functional coatings for enhanced performance. Challenges and future research directions in this field are also highlighted for potential advancements.
JOURNAL OF MAGNESIUM AND ALLOYS
(2021)
Article
Metallurgy & Metallurgical Engineering
Takahiro Mineta, Seiji Miura, Kazuhiko Oka, Tatsuya Miyajima
JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS
(2017)
Article
Materials Science, Multidisciplinary
Takahiro Mineta, Seiji Miura, Kazuhiko Oka, Tatsuya Miyajima
MATERIALS TRANSACTIONS
(2018)
Article
Metallurgy & Metallurgical Engineering
Takahiro Mineta, Tatsuya Saito, Takahiro Yoshihara, Hiroyuki Sato
JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS
(2019)
Article
Materials Science, Multidisciplinary
Takahiro Mineta, Tatsuya Saito, Takahiro Yoshihara, Hiroyuki Sato
MATERIALS TRANSACTIONS
(2019)
Article
Nanoscience & Nanotechnology
Takahiro Mineta, Tatsuya Saito, Takahiro Yoshihara, Hiroyuki Sato
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2019)
Article
Materials Science, Multidisciplinary
Takahiro Mineta, Seiji Miura, Kazuhiko Oka, Tatsuya Miyajima
MATERIALS TRANSACTIONS
(2019)
Article
Engineering, Electrical & Electronic
Takeshi Moriwaki, Kazuhiko Sasagawa, Yusuke Sugawara, Kazuhiro Fujisaki, Takahiro Mineta
JOURNAL OF ELECTRONIC MATERIALS
(2019)
Article
Nanoscience & Nanotechnology
Takahiro Mineta, Kaoru Hasegawa, Hiroyuki Sato
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2020)
Article
Metallurgy & Metallurgical Engineering
Takahiro Mineta, Seiji Miura, Kazuhiko Oka, Tatsuya Miyajima
JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS
(2020)
Article
Microscopy
Takahiro Mineta
Article
Materials Science, Multidisciplinary
T. Mineta, K. Kumatani, H. Adachi, H. Sato
Summary: Magnesium-lithium-based alloys show better workability and lower densities than conventional magnesium alloys, but their mechanical properties need improvement. The study investigated the impact of heat treatment on the mechanical properties and microstructure of magnesium-lithium-aluminum alloys, finding that the treatment significantly influenced the yield stress, ultimate tensile strength, and total elongation. The periodic structure of the second phase was found to affect the mechanical properties of the magnesium-lithium-aluminum alloy.
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK
(2021)
Article
Engineering, Chemical
Takahiro Mineta, Shintaro Torii, Kohei Nagayama, Hiroyuki Sato
Summary: In this study, the effects of passivation treatment and arc current on the properties of Zn fine particles were investigated to achieve particles with low oxide impurities for powder metallurgy applications. Adjustment of these factors allowed for the production of Zn fine particles with controlled oxide content.
Article
Chemistry, Physical
Takahiro Mineta, Haruto Saijo, Hiroyuki Sato
Summary: The high temperature uniaxial tensile creep deformation behavior of (alpha + beta)-Mg-9 mass%Li-4 mass%Al-1 mass%Zn (LAZ941) alloy was investigated, and it was found that the creep strength of the LAZ941 alloy was significantly improved by heat treatment.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Engineering, Multidisciplinary
Takahiro Mineta
Summary: This study investigated the deformation behavior in a limited region of Cu with different average grain sizes using optical indentation microscopy (OIM). The results showed that the indentation yield stresses in the limited region estimated by OIM were related to the macroscopic yield stresses and followed the Hall-Petch relationship. The macroscopic yield stresses predicted from the indentation yield stresses were consistent with the experimentally estimated values. Therefore, it is concluded that the macroscopic yield stress can be estimated from the deformation behavior of the limited region analyzed by OIM.
RESULTS IN ENGINEERING
(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)