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J. Cent. South Univ. Technol. (2010) 17: 715-719 DOI: 10.1007/s11771-010-0545-x Effects of aging parameters on hardness and electrical conductivity of Cu-Cr-Sn-Zn alloy by artificial neural network... of Cu-Cr-Sn-Zn alloy, a model of aging processes via an artificial neural network (ANN) method to map the non-linear relationship between parameters of aging process and the hardness and electrical......
J. Cent. South Univ. (2020) 27: 356-371 DOI: https://doi.org/10.1007/s11771-020-4301-6 Influence of abrasive hardness on erosion wear of abrasive air jets LIU Yong(刘勇)1, 2, CHEN Chang-jiang(陈长江)1... of abrasive hardness on the erosion effect, the erosion experiments of abrasive air jet with the same impact energy were carried out. The influence of abrasive hardness on the erosion effect is clarified......
Glass ceramic of high hardness and fracture toughness developed from iron-rich wastes Weixin HAN1 (1.Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China) Abstract:A study..., X-ray diffraction, and scanning electron microscopy. The mechanical properties of the glass-ceramic were assessed by hardness and indentation fracture toughness measurement. A glass ce-ramic......
Hardness of Mn2V2O7 thin films and its influential factors?.Af?in KariperDepartment of Science Education, Faculty of Education, Erciyes University摘 要:hardness of the films was measured using a nanohardness tester. The film......
Enhanced Hardness of Transparent HAp Ceramic by Microstructure Refinement曾辉1,JIN Xin1,XIONG Yan21. Wuhan Institute of Marine Electric Propulsion2. School of Materials Science & Engineering, Hubei... of microstructure refinement on the hardness were investigated using HallPetch(H-P) relationship, and the hardness of transparent HAp ceramic increases with the decrease of grain size. It is demonstrated......
Oxygen-penetration-induced large hardness enhancement in nanoscale Nb/Ti multilayersYuxin ZHAO and Wensheng LAI Advanced Material Laboratory, Department of Materials Science & Engineering... and mechanical properties were investigated by XRD, SEM and Nanoindentation. It turns out that hardness of samples increases with decreasing modulation wavelength (Λ) and then dropped at small Λ......
The Hardness of Amorphous Si-DLC Films by Molecular Dynamics Simulations兰惠清1,LIU Can1,21. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University2. Institute of Higher..., and then decreases with the further increase of the silicon content. Bulk modulus and hardness of the Si-DLC films both decrease with the increasing of the silicon content, which has the same trend......
Microstructure Characterization and Indentation Hardness Testing Behavior of Mg-8Sn-xAl-1Zn Alloys程伟丽1,2,WANG Miao2,XU Chunxiang2,ZHANG Jinshan2,LIANG Wei2,YOU Bongsun3,聂凯波21. Key Laboratory... Institute of Materials Science摘 要:The influence of Al content on microstructure characterization and indentation hardness testing behavior of Mg-8Sn-x Al(x=1 wt......
with that in the current-free system, four other samples were heated to 300℃ at holding times of 60, 90, 120, or 150 s in a salt bath. The microstructural evolution and hardness values of the samples were... annealed samples was smaller than that of conventionally annealed samples. The hardness values and metallographic images obtained indicate that, unlike the conventional annealing process, which......
Characterization of Surface Hardness and Microstructure of High Performance Concrete杨永敢,张云升,SHE WeiSchool of Materials Science and Engineering, Southeast University摘 要:hardness layer grew rapidly at early stage and then stabilized at last with ongoing curing age; the rebound value and compressive strength......
