Article
Construction & Building Technology
Marcos Lanzon, Juan A. Madrid-Mendoza, David Navarro-Moreno, Victoria E. Garcia-Vera
Summary: This paper presents a rapid method to obtain pure suspensions of Ca(OH)2 dispersed in 2-propanol using eggshell wastes (CaCO3). The synthesized Ca(OH)2 suspensions were characterized by XRD, FTIR, TG, TEM, and XRD using Rietveld refinement method. The study found that the method is advantageous due to the high purity of the eggshell and the full conversion of CaO into Ca(OH)2, eliminating the need for purification steps. Furthermore, the Ca(OH)2 from eggshell showed promising results in reinforcing architectural stone.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Jinmeng Zhu, Jinghan Ding, Yuke Li, Qi Wang, Fan Yang, Cong Jia, Yaxu Zhang, Xichen Zhao, Wenqiang Dong, Jia Wang, Zhiyong Lu, Xuanhua Li
Summary: After years of research, nanolime (NL) has emerged as a potential alternative for the conservation of cultural heritage. However, its poor kinetic stability in water has been a major challenge. This study successfully achieved water dispersion of NL by modifying an ionic liquid (IL). The IL binds to NL particles and significantly alters their morphology and size, resulting in excellent kinetic stability and improved penetration depth. This research contributes to the field of NL-related materials and enhances their utilization in preserving water-insensitive cultural heritage.
Article
Chemistry, Multidisciplinary
Miguel Burgos-Ruiz, Kerstin Elert, Encarnacion Ruiz-Agudo, Helmut Coelfen, Carlos Rodriguez-Navarro
Summary: A novel solvothermal synthesis process is developed to obtain highly reactive nanostructured Ca(OH)(2) particles, which can be easily functionalized with silica-gel derivatives. This functionalization improves the reactivity and bonding of nanolimes, and can also be used as a self-integrated coupling agent.
Article
Materials Science, Multidisciplinary
Luigi Dei, Elisabetta Andrina, Orlando Cialli, Antonella Salvini, Benedetto Pizzo, Emiliano Carretti
Summary: An innovative material combining natural biopolymers blend (Funori) and Ca(OH)2 nanocrystals has been developed to strengthen linen fibers for cultural heritage conservation, preventing future degradation.
Article
Construction & Building Technology
Zuzana Slizkova, Dita Frankeova, Milos Drdacky
Summary: The effects of multiple applications of Calosil(R) nanolime products on Maastricht limestone were studied. The experiments showed good penetration of the nanolime products into the limestone, leading to increased bending and compressive strengths and reduced porosity.
Article
Multidisciplinary Sciences
Elena Possenti, Claudia Conti, G. Diego Gatta, Nicoletta Marinoni, Marco Merlini, Marco Realini, Gavin B. M. Vaughan, Chiara Colombo
Summary: This paper proposes the use of synchrotron X-ray diffraction computed tomography (XRDCT) to non-destructively study diammonium hydrogen phosphate (DAP) consolidating treatments for stone conservation. The study explores the mineralogical composition and localization of crystalline phases formed in a complex mixture, highlighting the coexistence of hydroxyapatite and octacalcium phosphate. The research demonstrates the feasibility and high potential of XRDCT to investigate conservation treatments with CH stone materials.
Article
Construction & Building Technology
Nahida Nisar, Javed Ahmed Bhat
Summary: With cost and availability constraints on conventional materials, designers are turning to alternative materials. Utilizing industrial refuse and agricultural by-products can decrease pollution levels and boost the economy. Alternative materials like rice husk ash can be substituted in cement to make construction more sustainable.
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
(2021)
Article
Engineering, Mechanical
B. Soltannia, P. Mertiny, F. Taheri
Summary: The research aims to explore the parameters affecting the frequency response of three-dimensional fiber metal laminates and experimentally investigates the vibration characteristics of different configurations. Results show that adding nanocarbon particles can improve material damping significantly.
JOURNAL OF SANDWICH STRUCTURES & MATERIALS
(2021)
Article
Construction & Building Technology
Maria Apostolopoulou, Elissavet Drakopoulou, Maria Karoglou, Asterios Bakolas
Summary: The study focuses on the consolidation of polluted Pentelic marble to protect architectural heritage. It found that nanolime outperforms traditional reinforced lime in consolidation efficiency, and the addition of sodium stearate reduces micro-cracking and leads to a more homogenous marble surface.
MATERIALS AND STRUCTURES
(2021)
Article
Chemistry, Physical
Alexandra Rodrigues, Bruno Sena da Fonseca, Ana Paula Ferreira Pinto, Susana Picarra, Maria de Fatima Montemor
Summary: This study evaluated the effectiveness of hydroxyapatite (HAp) nanosized structures and hydrophilic silica nanoparticles as modifiers for the consolidation of carbonate stones using acid- and alkaline-catalysed tetraethoxysilane (TEOS)-based products. The results showed that TEOS-based products modified with HAp nanosized structures through acid catalysis achieved the best consolidation effect with minimal color change.
Article
Dentistry, Oral Surgery & Medicine
Firas Elmsmari, Jose Antonio Gonzalez Sanchez, Fernando Duran-Sindreu, Roumaissa Belkadi, Marta Espina, Maria Luisa Garcia, Elena Sanchez-Lopez
Summary: The study successfully developed and characterized calcium hydroxide-loaded PLGA nanoparticles, which showed a stable drug release profile and greater penetration inside dentinal tubules when compared to free calcium hydroxide.
INTERNATIONAL ENDODONTIC JOURNAL
(2021)
Review
Food Science & Technology
Kiah Edwards, Marena Manley, Louwrens C. Hoffman, Paul J. Williams
Summary: Recently, there has been an increase in awareness of meat authenticity, leading to the proposal and evaluation of various analytical methods to combat meat fraud. These traditional methods, however, are found to be destructive and time-consuming. Non-destructive techniques are being explored as a potential solution for reliable and accurate real-time monitoring in the meat industry.
Article
Materials Science, Multidisciplinary
Ilaha Hasanova, Ulviyya Hasanova, Eldar Gasimov, Fuad Rzayev, Elman Hajiyev, Goncha Eyvazova, Meherrem Shaliyev, Aytaj Mehdiyeva, Nushaba Aliyeva, Yusif Yusifov, Hikmat Ismayilov, Haji Vahid Akhundzada, Zohrab Aghamaliyev, Sarvinaz Hajiyeva, Pervane Huseynova
Summary: The study demonstrates that adding different concentrations of CaCO3 nanoparticles can significantly improve the mechanical properties of cement. Among all experiments, 0.06% CaCO3 nanoparticles showed the best performance. Additionally, the addition of Ca(OH)(2) nanoparticles also leads to a noticeable increase in the mechanical strength of cement.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Crystallography
Yan Rong, Jinglong Yang, Siping Huang, Yuhu Li
Summary: Tomb murals are an important part of cultural heritage, but a majority of them have been severely damaged. One of the most difficult issues to treat is the detrimental effects of sodium sulfate on murals. However, a consolidation system using nano barium hydroxide-phosphoric acid has been developed, which shows good permeability and mechanical properties compared to other common consolidation materials. This system has been successfully used in the desalination and consolidation of tomb murals in Jiangxi, China, providing a new approach to their long-term conservation.
Article
Multidisciplinary Sciences
Wasim Abbass, Fahid Aslam, Muneeb Ahmed, Ali Ahmed, Rayed Alyousef, Abdullah Mohamed
Summary: The sewer pipeline network and water distribution system are vital urban assets for a sustainable community. Continuous evaluation of the condition of water and sewer concrete pipelines is essential to ensure reliable and cost-efficient transport of water and sewerage. Currently, the assessment is done through visual observations and non-destructive testing methods, but there is a need to shift to advanced assessment techniques.
Article
Construction & Building Technology
M. A. Navacerrada, M. M. Barbero-Barrera, R. Fort, D. de la Prida, J. C. Nunlez, T. S. Gomez
Summary: Conserving historical heritage sites is essential for preserving cultural identity. Non-destructive tests (NDTs) provide necessary conservation information and characterise original materials and building techniques without damaging buildings. This research investigated the application of a pressure/particle-velocity impedance gun as an NDT to detect building damage. The findings suggest that the impedance gun could be applied as a complementary NDT for evaluating damage to cultural heritage sites.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Article
Materials Science, Ceramics
Luz S. Gomez-Villalba, Aranzazu Sierra-Fernandez, M. del Mar Barbero Barrera, Duygu Ergenc, Rafael Fort
Summary: This study investigates the formation of calcium-silicate-hydrates (C-S-H) in lime mortars with the addition of nano-Ca(OH)2 and nano-SiO2 at 23.3 degrees C. The results show the evolution of amorphous phases to crystalline phases, with the crystalline phase identified as afwillite. The presence of afwillite may have implications for the performance of the lime mortars.
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
(2022)
Article
Materials Science, Multidisciplinary
L. Munoz-Fernandez, L. S. Gomez-Villalba, O. Milosevic, M. E. Rabanal
Summary: This study presents the recent advances in the field of ZnO/Ag catalysts and introduces a facile solvothermal method to synthesize hierarchical ZnO nanowires decorated with Ag nanoparticles. The results show that the formation of ZnO nanowires and Ag nanoparticles is affected by experimental conditions, including synthesis time, Ag+/Zn2+ molar ratio, and the presence of CTAB. The photocatalytic activity of the catalyst is evaluated by studying the degradation time of methylene blue.
MATERIALS CHARACTERIZATION
(2022)
Article
Pediatrics
Aaron Del Pozo, Maria Villa, Carlos Vargas, David Castejon, M. Encarnacion Fernandez-Valle, Ana Gutierrez-Rodriguez, Jose Martinez-Orgado
Summary: This study successfully replicated the features of brain damage in extremely low birth weight newborns using a new rat model. Inflammation associated with blood-brain barrier dysfunction was identified as a potential therapeutic target for preventing brain damage.
PEDIATRIC RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Michela Ricca, Silvestro Antonio Ruffolo, Mauro Francesco La Russa, Concetta Rispoli, Celestino Grifa, Aranzazu Sierra-Fernandez, Rafael Fort, Luciana Randazzo
Summary: This research investigates the composition, mechanical properties, and antifouling performances of two different underwater mortars containing Mg(OH)(2) as an antifouling agent. The study shows that the addition of Mg(OH)(2) improves the resistance to biofouling, both in laboratory and sea-exposed specimens.
Article
Multidisciplinary Sciences
Diego Rodriguez-Munoz, Angela Sanchez, Susana Perez-Benavente, Constanza Contreras-Jurado, Ana Montero-Pedrazuela, Marta Toledo-Castillo, Maria Gutierrez-Hernandez, Raquel Rodrigues-Diez, Cintia Folgueira, Ana M. Briones, Guadalupe Sabio, Ignacio Monedero-Cobeta, Irene Chavez-Coira, David Castejon, Encarnacion Fernandez-Valle, Javier Regadera, Jose M. Bautista, Ana Aranda, Susana Alemany
Summary: Thyroid hormones play a role in protecting mice from cerebral malaria by inducing disease tolerance. The activation of Sirtuin 1 is involved in this protection, suggesting it as a potential target for cerebral malaria treatment.
Article
Construction & Building Technology
M. Mar Barbero-Barrera, Luz S. Gomez-Villalba, Duygu Ergenc, Aranzazu Sierra-Fernandez, Rafael Fort
Summary: The use of nanoparticles in lime mortars has a significant impact on their mechanical and hydric properties, which is influenced by the type of nanoparticles and curing conditions.
CEMENT & CONCRETE COMPOSITES
(2022)
Article
Construction & Building Technology
J. Feijoo, M. A. Alvarez-Feijoo, Rafael Fort, Elena Arce, Duygu Ergenc
Summary: This study evaluates the inclusion of phase change materials (PCMs) in porous building materials to improve their thermal behavior and assesses its impact on their physical-mechanical and durability properties.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Article
Anthropology
R. Fort, M. J. Varas-Muriel, D. Ergenc, J. Cassar, M. Anastasi, N. C. Vella
Summary: Studies on original mortars are important for archaeological interpretations, as they provide insights into the composition of the mortars and the construction processes. This article presents a multi-analytical study of mortars from the Zejtun Roman Villa in Malta, using various techniques including microscopy, X-ray analysis, and stable isotope analysis. The findings suggest that different types of mortars were used in different phases of the construction, with local materials being the main source except for the early Roman period when volcanic materials were imported.
ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES
(2023)
Review
Chemistry, Multidisciplinary
Luz Stella Gomez-Villalba, Ciro Salcines, Rafael Fort
Summary: Nanotechnology has made significant progress in the conservation of architectural, artistic, archaeological, or museum heritage. However, it brings both advantages and disadvantages, as nanomaterials can have negative impacts on human and animal health and the environment. It is important to raise awareness of nanotoxicity risks and provide guidelines for prevention and control of toxicity. Additionally, the review discusses current international regulations, qualitative risk assessment methods, and the latest trends in using nanomaterials for masks and gas emissions control devices.
Article
Agriculture, Dairy & Animal Science
Lidia Blazquez-Llorca, Lubna Morales de Paz, Rosario Martin-Orti, Inmaculada Santos-Alvarez, Maria E. Fernandez-Valle, David Castejon, Maria I. Garcia-Real, Raquel Salguero-Fernandez, Pilar Perez-Lloret, Nerea Moreno, Sara Jimenez, Maria J. Herrero-Fernandez, Juncal Gonzalez-Soriano
Summary: Anatomy is crucial in medical and veterinary education, but neuroanatomy poses particular challenges. A new teaching tool has been developed using 3D reconstructions of magnetic resonance images to aid in the understanding of clinical neurology and practice. This tool combines neuroanatomy and neuropathology, providing valuable insights for anatomists and clinicians.
Article
Humanities, Multidisciplinary
Maria Teresa Molina, Emilio Cano, Joaquina Leal, Rafael Fort, Monica Alvarez de Buergo, Blanca Ramirez-Barat
Summary: This study investigates the protective properties of different coatings over metals commonly found in heritage collections. Brass and steel have been identified as representative metals, with coatings such as shellac and acrylic resins applied for aesthetic and/or conservation purposes. Through artificial aging tests and evaluations, Paraloid B-44 and Incralac have been found to have the best protective properties.
Article
Construction & Building Technology
J. Feijooa, L. S. Gomez-Villalbab, R. Fortb, M. E. Rabanalc
Summary: This study evaluates the effectiveness of an electrokinetic process for simultaneous desalination and consolidation of two types of stones. The results show that this method can reduce salt content and fill pores and fractures.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Multidisciplinary Sciences
Maria Isabel Mota-Lopez, Rafael Fort, Monica Alvarez de Buergo, Antonio Pizzo
Summary: This research aims to analyze the characteristics of granitic rocks used in the Roman amphitheater in Emerita Augusta. Petrographic, geochemical, and physical and mechanical analyses were conducted to determine the mineralogical, textural, geochemical, physical, and mechanical properties of the rocks. The study shows that the porosity of the rocks influences their mechanical properties. The analysis of the samples also allows for the identification of the types of granite used and the assessment of their acceptable conservation state.
RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI
(2022)
Article
Materials Science, Multidisciplinary
Shuai Zhang, Shuye Zhang, Hongzhi Zhou, Kyung-Wook Paik, Tianran Ding, Weimin Long, Sujuan Zhong, Peng He
Summary: Microwave Hybrid Heating (MHH) is a promising method for material joining, allowing for selective and uniform heating. This experimental study focused on investigating the characteristics and reliability of joints made using nano-Sn-3.0Ag-0.5Cu soldering paste and MHH technique. The research findings showed that the shear strength of the joints reached its peak value under specific microwave power and exposure time, but decreased after thermal shock tests.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Peibin Ma, Mingyang Wang, Aiying Chen, Lijian Gu, Zhiyi Ding, Xiaogui Wang, Bin Gan
Summary: Nano-twinned boundaries in high-temperature alloys play a crucial role in regulating the distribution of nano-precipitates and enhancing mechanical properties.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Jiachen Zhang, Fan Lu, Xinxin Liu, Taiwen Huang, Rui Li, Changsheng Tan, Guojun Zhang, Lin Liu
Summary: This study investigates the effects of Re and Ta interactions on the precipitation of the TCP phase in experimental alloys under long-term thermal exposure. The study finds that microstructure segregation is not fully eliminated even with standard heat treatment, and the interaction between Re and Ta enhances the formation of the TCP phase. Thermodynamic calculations and first-principles analysis reveal that Re significantly improves the driving force of TCP phase precipitation. The study also observes a phase transition from the sigma-phase to the P-phase, with Ni playing a crucial role in the diffusion process.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Ronit Roy, Adil Shaik, Matthew Topping, Fei Long, Mark R. Daymond
Summary: This study demonstrates the improvements in characterizing localized dislocation distribution using the HR-EBSD method compared to the conventional approach. Two extreme examples of deformation conditions were investigated to show the efficacy of HR-EBSD in identifying dislocations and subtle features. The direct correlation between slip bands and HR-EBSD estimated GNDs is also presented, enhancing the scope of this approach in identifying individual slip bands.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Wenshan Guo, Hui Zhang, Qingjun Zhou, Guangchun Xiao, Ning Guo, Wei Zhao, Gang Wang
Summary: The microstructures and corrosion resistance of TC11 components were significantly improved using a high-power, high-speed laser metal deposition (LMD) process and subsequent post-heat treatment, with greater improvements observed in the deposition direction. The significant improvement of corrosion resistance in the deposition direction is mainly due to the weakening of the charged galvanic corrosion effect between the non-interlayer zone and interlayer zone.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Shuai Xu, Rui Cao, Junheng Gao, Yu Zhang, Haitao Zhao, Shuize Wang, Yuhe Huang, Guilin Wu, Honghui Wu, Chaolei Zhang, Xinping Mao
Summary: In this study, the microstructures and mechanical properties of interphase precipitation strengthening micro-alloyed steels were investigated. The addition of Cr was found to increase the yield strength without significant decrease of ductility. Thermodynamics analysis revealed that the addition of Cr led to grain refinement and decrease of sheet spacing of nanoprecipitates. Calculations showed that the decrease of interphase-precipitated carbides sheet spacing and the refinement of grain size were responsible for the strength enhancement of Cr microalloyed steel.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Zhaoxin Zhong, Biao Zhang, Yuhan Ren, Jian Ye, Jiawei Zhang, Feng Ye
Summary: In this study, bioinspired web-liked multiphase composites were successfully constructed using boron-modified polysilazane polymer. The composites consisted of long TiB nanowires as 'web' and hybrid TiC and Ti3Si particles as 'nodes'. The enhanced strength of these composites was attributed to the synergistic load transfer of the hybrid reinforcements. This study provides a promising design approach for developing high-performance composites with high reinforcement content, utilizing polymer instead of traditional ceramic powder.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Geng Liu, Linran Yu, Jie Su, Ran Ding, Min Xiong, Qi Gao
Summary: In this study, a flash austenitization heat treatment approach was used to achieve a dual-phase microstructure consisting of retained austenite and fine-grained ferrite in low-carbon TRIP steel. Phase-field simulations revealed the acceleration of ferrite transition kinetics in the Mn-depleted region and the influence of chemical heterogeneity of C and Mn on the stabilization of austenite.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Zhichao Yang, Dehui Zheng, Zhen Wang, Tingbin Liang, Shuangbao Wang
Summary: In this study, the configurations, formation process, and properties of the Cu-rich layer formed during TJE of Al alloys were revealed using aberration-corrected scanning TEM (STEM), STEM image simulations, and first-principles calculations. The results showed a new orientation relationship between the Cu-rich layer and Al matrix, and provided insights into the formation mechanisms of the Cu-rich layer and Cu diffusion zone.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Shuai Chen, Ruyu Tian, Jiayue Wen, Yanhong Tian
Summary: In this study, the interfacial microstructure evolution and reliability of Cu/Sn-3.0Ag-0.5Cu (SAC305)/Ni and Cu/Sn-3.0Ag-0.5Cu-0.05TiO2 (SAC305-0.05TiO2)/Ni interconnections under thermal shock were investigated. The results showed that the addition of TiO2 nanoparticles can suppress the growth of interfacial IMCs and improve the reliability of the connections.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Yunbin Lu, Yangju Feng, Wei Wang, Wenke Wang, Jianlei Yang, Wenzhen Chen, Guorong Cui, Dongdong Zhuang, Hongyang Cao
Summary: In order to improve the wear resistance of titanium alloy, titanium matrix composites with network distributed TiBw were fabricated. The results showed that the wear rate of the composites decreased by 17.2% at room temperature and 38.4% at high temperature compared to the TA15 alloy. The TiBw in the composites enhanced work hardening, improved thermal conductivity, and effectively hindered dislocation movement and promoted dynamic recrystallization during high-temperature wear.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Jubert Pasco, Lu Jiang, Thomas Dorin, Ali Keshavarzkermani, Youliang He, Clodualdo Aranas Jr
Summary: The unique structure and solute distribution of CoCrMo alloys produced using Laser Powder Bed Fusion technique require custom heat-treating processes to achieve the targeted phase distribution and mechanical properties. This study investigates the phase transformation behavior and precipitate distribution of CoCrMo samples after aging heat treatment. The results show differences in phase fraction and nucleation sites between directly aged and solution heat-treated samples.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Zipeng Ma, Meng Zhou, Baohong Tian, Yi Zhang, Heng Li, Xu Li, Jin Zou, Haoyan Hu, Ke Jing, Yong Liu, Alex A. Volinsky
Summary: In this study, two electrical contact composites were prepared using the vacuum hot pressing sintering endo-oxidation method. The addition of Y2O3 had no negative effects on the electrical conductivity and hardness of the composites. Moreover, it reduced the welding force and arc energy, and improved the stability of the contacts.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Wei Sun, Ning Cui, Shuling Zhang, Tiewei Xu, Xiaopeng Wang, Fantao Kong
Summary: A laminated composite was successfully fabricated and its microstructure and mechanical properties were investigated. The composite exhibited high bonding strength, improved flexural strength and fracture toughness, and superior tensile properties compared to the monolithic alloy.
MATERIALS CHARACTERIZATION
(2024)
Article
Materials Science, Multidisciplinary
Zih-You Wu, Yin-Ku Lee, Su-Yueh Tsai, Po-Yu Chen, Jenq-Gong Duh
Summary: With the development of the artificial intelligence (AI) industries, electronic packaging is advancing towards high density, high efficiency, and multi-functionality. The application of microbumps is necessary to achieve high density and small-scale interconnection. In this study, three types of full intermetallic compounds (IMCs) bumps were fabricated, and the mechanical and thermal properties of IMCs were analyzed. The results showed that the full IMCs bumps with added Ni and Zn exhibited consistent structure and excellent thermal stability, providing a reliable microstructure for application.
MATERIALS CHARACTERIZATION
(2024)