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Preparation and property evaluation of electroless Ni-P coatings on AZ91D magnesium alloy LI Xue-song(李雪松)1, 2, ZHANG Wen-xue(张文雪)1, JIANG Zhong-hao(江中浩)1 1. Key Laboratory of Automobile... alloy; preparation; property evaluation 1 Introduction Magnesium and its alloys play an important role in many fields, such as aerospace, electronics and automobile industries owing to their unique......
J. Cent. South Univ. Technol. (2008) 15(s1): 329-332 DOI: 10.1007/s11771-008-374-3 Agitator tank device and drag reduction agent evaluation ZHANG Fan(张 帆)1, 2, XIAO Bo-yuan(肖博元)1, TANG... agitator for evaluation drag reduction agents (DRA) was established. The effect of DRA was defined by testing the changes of agitator torque that drives the disk rotation. The HG-DRA for oil pipeline from......
Mechanical Property Evaluation of a SLMed Martensitic Stainless SteelYun Shi1,2,Zhengwu Liu1,2,Yi Yang4,Juan Hou4,Songquan Wu4,Jeremy H. Rao5,Kai Zhang4,6,Aijun Huang61. Shanghai Aerospace Equipments... mechanical property anisotropy and low ductility in the longitudinal direction. Detailed microstructural characterization revealed the presence of austenite and a relatively sharp solidification......
Elastic Sag Property of Low Carbon Martensite Spring Steel DUO Tie-yun1,Zhu Yin-lu2,Wu Zi-ping2,LI Ye-sheng2,CHEN Mi-song2 (1.Institute of Metal Research, Chinese Academy of Science, Shenyang... and points out that the cause of elastic sag is attributed to cyclic softening of spring steel engendered during its serving,also considers that elastic sag property should be evaluated by dynamic......
the structural property, supporting property, tamping property, mechanical response property, and geological adaptation property. These are specifically reflected by 14 evaluation indexes, including the dip... property, and geological adaptation property, which are reflected by 14 indexes including the pillar dip angle, setting load, tamping force, and horizontal roof gap. 2) Seven independent evaluation......
Evaluation of Interfacial Adhesion Property for Thin Hard Films with Fuzzy Method朱强School of Mechanical Engineering, Zhengzhou University摘 要:According to nanoscratch results for the TiN film, an evaluation method for interfacial fracture toughness of thin hard films is presented with fuzzy concepts, which can account for such influential factors......
Structural characterization and property of in-situ synthesized AZ91-Mg2Si composite DONG Long-xiang(董龙祥)1,2, WU Yao-ming(吴耀明)2, DOU Chuan-guo(豆传国)2, XU Guo-gen(许国根)1, WANG Li-min(王立民) 1... matrix. The Vickers hardness of the composite is obviously higher than that of matrix of AZ91 alloy. Moreover, the composite exhibits excellent compressive property. The ultimate compressive strength......
Mechanical Property Evaluation on the Bending and Compressing Behaviour of Nano-beam白清顺,何欣,ZHANG Xiangqian,SHEN Rongqi,LIANG YingchunSchool of Mechanical and Electrical Engineering,Harbin Institute of Technology摘 要:Based on quasicontinuum(QC) multiscale simulation method,a series of simulation models were set up for bending and compressing rod-shaped......
Dynamic property evaluation of aluminum alloy 2519A by split Hopkinson pressure bar ZHANG Xin-ming(张新明), LI Hui-jie(李惠杰), LI Hui-zhong(李慧中), GAO Hui(高 慧), GAO Zhi-guo(高志国), LIU Ying(刘 瑛), LIU Bo... [J]. Proc R Lond A, 1991, 25: 371-391. [4] LEE O S, KIM M S. Dynamic material property characterization by using split Hopkinson pressure bar (SHPB) technique [J]. Nuclear Engineering and Design, 2003......
Effects of rare earth addition on sintering process and dielectric property of cordierite based glass-ceramics CHEN Guo-hua(陈国华)1, 2, LIU Xin-yu(刘心宇)1, 2 (1. Department of Materials Science... of rare earth oxide on the sintering and dielectric property of cordierite-based glass-ceramics with non-stoichiometric composition prepared by quenching of molten droplets were investigated. The results......