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A Cold Adhesion for Self-fused Alloy Coat by High Frequency Induction ZHANG Zeng-zhi1,AI Bo1 (1.Research Institute of Ecological and Functional Material, China University of Mining and Technology... to analyze the mechanism, microstructure and anitwear ability of the coat. The workpiece was precoated with Ni60 powder through an adhesion agent. The oven-dried precoat was then heated by a high......
Al-7.5Zn-1.65Mg-1.4Cu-0.12Zr alloys with high strength high toughness and low quench sensitivity Xiong Bai-qing, Li Xi-wu, Zhang Yong-an, Li Zhi-hui, Zhu Bao-hong, WANG Feng, liu Hong-wei (State... alloy with high strength high toughness and low quench sensitivity was prepared by conventional ingot metallurgy. The microstructure and properties of the novel alloy under different processing......
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......
Size effect of sandstone after high temperature under uniaxial compressionSU Hai-jian(苏海健)1, JING Hong-wen(靖洪文)1, MAO Xian-biao(茅献彪)1, ZHAO Hong-hui(赵洪辉)1, YIN Qian(尹乾)1, WANG Chen(王辰)2(1. State Key... of Mining & Technology, Beijing 100083, China)Abstract:Uniaxial compression tests on sandstone samples with five different sizes after high temperature processes were performed in order to investigate......
Identification of thermal effects involved in DSC experiment on Al-Cu-Mg-Ag alloys with high Cu:Mg ratioJian-bo Zhang,Yong-an Zhang,Bao-hong Zhu,Feng Wang,Zhi-hui Li,Xi-wu Li,and Bai-qing Xiong State... in the differential scanning calorimetry (DSC) of an Al-Cu-Mg-Ag alloy were identified by analyzing the results from hardness test,electrical conductivity test,and transmission electron microscope (TEM......
A Novel Series of Refractory High-Entropy Alloys Ti2ZrHf0.5VNbx with High Specific Yield Strength and Good DuctilityDong-Xu Qiao,Hui Jiang,Wen-Na Jiao,Yi-Ping Lu,Zhi-Qiang Cao,Ting-Ju LiKey... Engineering, Shandong University of Science and Technology摘 要:A series of Ti2ZrHf0.5VNbx( x = 0, 0.25, 0.5, 0.75 and 1.0) refractory high-entropy alloys were......
, Central South University4. School of Mechanical Engineering, Hebei University of Architecture摘 要:The hardness, the tensile and the high-cycle fatigue(HCF...Effects of Aging Temperature on Microstructure and High Cycle Fatigue Performance of 7075 Aluminum Alloy杨大炼1,2,刘义伦2,3,LI Songbai2,MA Liyong4,LIU Chi2,YI Jiuhuo21. Hunan Provincial Key Laboratory......
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APPLICATION OF THE UNIFIED STATISTICAL MATERIAL DATABASE FOR DESIGN AND LIFE/RISK ASSESSMENT OF HIGH TEMPERATURE COMPONENTS... Corporation,Tsurumi-Ku, Yokohama 230-0045, Japan) Abstract:Statistical manipulation of material data was conducted for probabilistic life assessment or risk-based design and maintenance for high temperature......
to be ~25 nm and it was coarsened up to ~30 nm after SPS. Nano indentation results of nano composites demonstrated a high hardness of ~280 HV with an elastic modulus of 126 GPa. Wear and friction... in specific wear rate in the nanocomposite was mainly due to the change of wear mechanism from adhesive to abrasive wear with the addition of SiC p which resulted in high hardness associated with nano......
