HARDNESS

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Numerical Simulation and Analysis of Heat Treatment Processes on AISI 1025 Steel Produced by Laser Engineered Net Shaping
《Modeling and Numerical Simulation of Material Science》2025年第1期1-15,共15页Elphas Tum Rehema Ndeda James Mutua Raghupatruni Prasad Eyitao Olakanmi Sisa Pityana 
Heat treatment processes, such as annealing and quenching, are crucial in determining residual stress evolution, microstructural changes and mechanical properties of metallic materials, with residual stresses playing ...
关键词：Heat Treatment Residual Stresses HARDNESS Microstructure Numerical Simulation 
Impact of Bubbles on Mechanical Performances in a Borosilicate Glass
《Journal of Wuhan University of Technology(Materials Science)》2025年第1期25-29,共5页LI Chengxing LI Dongfeng MA Shilong QIAO Ang ZHENG Qingshuang 
Funded by the National Natural Science Foundation of China(No.52172007)。
To analyze the impact of bubbles on the mechanical behavior of glasses,by controlling the refining time,we prepared three borosilicate glasses with the same composition and different porosity.By the analysis software ...
关键词：BUBBLES oxide glass HARDNESS creak initiation resistance 
Effect of Aluminum Content on Microstructure and Tribological Properties of CoCrFeNi_(2)-Based High-Entropy Alloys
《稀有金属材料与工程》2025年第2期343-353,共11页Zhang Mengdi Zhang Gaimei Luo Chongwei Xu Hanqing 
National Natural Science Foundation of China(52201177);Hebei Province Department of Education Fund(QN2024264);Natural Science Foundation of Hebei Province(E2022201010)。
Four machine learning algorithms were used to predict the solid solution phases of high-entropy alloys(HEAs).To improve the model accuracy,the K-fold cross validation was adopted.Results show that the K-nearest neighb...
关键词：machine learning high-entropy alloy HARDNESS wear resistance 
Novel high-temperature-resistant material SbLaO_(3) with superior hardness under high pressure
《Chinese Physics B》2025年第2期74-80,共7页Haoqi Chen Haowen Jiang Xuehui Jiang Jialin Wang Chengyao Zhang Defang Duan Jing Dong Yanbin Ma 
Project supported by the National Natural Science Foundation of China (Grant No. 11904067)。
Perovskites have garnered significant attention in recent years. However, the presence of La atoms at the B-site in ABX_(3) structures has not yet been observed. Under high pressure, perovskites exhibit unexpected pha...
关键词：high pressure molecular dynamics phase transition 
Structural origin of enhanced storage energy performance and robust mechanical property in A-site disordered high-entropy ceramics
《Rare Metals》2025年第1期551-564,共14页Shuai Chen Ting Wang Xiao-Ling Wang Kai Li Qing-Feng Zhu Wei-Ping Gong Ge Liu Qing-Yuan Wang Shao-Xiong Xie 
supported by Guangdong Basic and Applied Basic Research Foundation and Project of General Colleges and Universities in Guangdong Province(Nos.2022A1515140002 and 2019GKQNCX127);the Special Innovation Projects of Department of Education’s of Guangdong Provincial(No.2018KTSCX220);the International Cooperation Project of Guangdong Province(No.2019A050510049);the Program for Innovative Research Team of Guangdong Province&Huizhou University(IRTHZU);Indigenous Innovation’s Capability Development Program of Huizhou University(No.HZU202014);the Open Project Program of Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices,Huizhou University(No.EFMD2022015M);the National Natural Science Foundation of China(No.12102068).
High-entropy perovskite ferroelectric materials have attracted significant attention due to their remarkably low remnant polarizations and narrow hysteresis.Thus,these materials offer high-energy density and efficienc...
关键词：High entropy Crystal distortion Na_(0.2)Bi_(0.2)Ca_(0.2)Sr_(0.2)Ba_(0.2))TiO_(3) Polar nanoregions(PNRs) HARDNESS Energy storage property 
Characterization of elastic modulus and hardness of brittle solids by instrumented indentation
《Acta Mechanica Sinica》2025年第1期141-162,共22页Zhitong Xu Ming Liu Jianghong Gong 
supported by the National Natural Science Foundation of China (Grant No.51705082);Fujian Provincial Minjiang Scholar Program (Grant No.0020-510759);Qishan Sholar program in Fuzhou University (Grant No.0020-650289);Fuzhou University Testing Fund of precious apparatus (Grant No.2023T018).
The reduced elastic modulus Er and indentation hardness HIT of various brittle solids including ceramics,semiconductors,glasses,single crystals,and laser material were evaluated using nanoindentation.Various analysis ...
关键词：Brittle solids NANOINDENTATION Elastic modulus HARDNESS Elastic recovery of Knoop imprint 
Graphene Size Dependent Hardness and Strengthening Mechanisms of Cu/Graphene Composites:A Molecular Dynamics Study
《稀有金属材料与工程》2025年第1期17-26,共10页Zhang Shuang Chang Guo Li Liang Li Xiang Peng Haoran Chen Kaiyun Yang Nan Huo Wangtu 
Foundation of Northwest Institute for Nonferrous Metal Research(ZZXJ2203);Capital Projects of Financial Department of Shaanxi Province(YK22C-12);Innovation Capability Support Plan in Shaanxi Province(2023KJXX-083);Key Research and Development Projects of Shaanxi Province(2024GXYBXM-351,2024GX-YBXM-356);National Natural Science Foundation of China(62204207,12204383);Xi'an Postdoctoral Innovation Base Funding Program。
The extraordinary strength of metal/graphene composites is significantly determined by the characteristic size,distribution and morphology of graphene.However,the effect of the graphene size/distribution on the mechan...
关键词：Cu/graphene composites graphene size HARDNESS strengthening mechanism molecular dynamics 
Neural network architecture search enabled wide-deep learning(NAS-WD)for spatially heterogenous property awared chicken woody breast classification and hardness regression
《Artificial Intelligence in Agriculture》2024年第4期73-85,共13页Chaitanya Pallerla Yihong Feng Casey M.Owens Ramesh Bahadur Bist Siavash Mahmoudi Pouya Sohrabipour Amirreza Davar Dongyi Wang 
support by the University of Arkansas Experimental Station and the University of Arkansas College of Engineering,USDA National Institute of Food and Agriculture (No:2023-70442-39232,2024-67022-42882).
Due to intensive genetic selection for rapid growth rates and high broiler yields in recent years,the global poultry industry has faced a challenging problem in the form of woody breast(WB)conditions.This condition ha...
关键词：Network architecture search Wide-deep learning BROILER Woody breast Hardness distribution map 
Characterization of microstructure and wear behavior of nickel modified Zn-27%Al alloy casting
《China Foundry》2024年第6期693-701,共9页Anusha Raj Kota Ramesh Gopalan Babu Rao Jinugu Surendarnath Sundaramoorthy 
Science and Engineering Research Board(SERB),Government of India,New Delhi,India for funding under an R&D project to procure a high-temperature furnace.
Improvement of mechanical and tribological behaviors of zinc-based die cast alloy is necessary for bearing applications,and chemical modification is found to be a good choice.Chemical modification of Zn-27wt.%Al alloy...
关键词：ZA alloy nickel modifications MICROSTRUCTURE dry sliding wear HARDNESS 
Correlation between hardness and SEM-EDS characterization of palm oil waste based biocoke
《Energy Geoscience》2024年第4期253-266,共14页Asri Gani Erdiwansyah Hera Desvita Saisa Mahidin Rizalman Mamat Zulhaini Sartika Ratna Eko Sarjono 
support from Cisitu Advanced Characterization Laboratories and the National Research and Innovation Agency through E-Layanan Sains-BRIN.
This research investigates the relationship between hardness and microstructure obtained through SEM-EDS analysis of palm oil waste-based biocoke.The mechanical qualities and chemical composition of biocoke are being ...
关键词：Biocoke Palm oil waste HARDNESS SEM-EDS Processing temperature 
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