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diffractometer, and Ca element area distribution analysis was studied by EPMA-1600 electron probe micro analyzer. Tensile testing was carried out using WD-1OA universal testing machine at a crosshead... Effect of CaC2 particulates concentration on microstructure and tensile properties of elemental magnesium MA Yu-tao(马玉涛)1, ZHANG Xing-guo(张兴国)1, 2, HAO Hai(郝 海)1, 2 1. School......
2.1 Establishment of ultrasonic vibration assisted tensile test system The experimental system consists of a universal material testing machine (SANS CMT5205) and a set of ultrasonic vibration unit, as shown in Figure 1. The maximum tensile force of the universal material testing machine is 200 kN, the crosshead speed is 0.001–250 mm/min, and its maximum stroke is 1100 mm. Figure 1 Ultrasonic......
was investigated experimentally using constant displacement load relaxation method on MTS insight electronic tensile testing machine. The relationship between the stress intensity factor KI and the crack velocity v... of α. In addition, the two factors reach the maximum value when the angle is 0° and reach the minimum when the angle is 45. Key words: MTS Insight electronic tensile testing machine; transverse isotropy......
microscope (SEM) observations and energy dispersion spectrum (EDS) (JEOL JSM-5910LV) analysis. The tensile tests were conducted at room tempera- ture (20 ℃) on an electro-universal testing machine... Microstructure, tensile properties and compressive creep resistance of Mg-(5-8.5)%Sn-2%La alloys ZHANG Xiao-ping(章晓萍), CHEN Yun-gui(陈云贵), XIAO Su-fen(肖素芬), TANG Yong-bai(唐永柏......
Testing study of subcritical crack growth rate and fracture toughness in different rocks CAO Ping(曹 平), LI Jiang-teng(李江腾), YUAN Hai-ping(袁海平) School of Resources and Safety Engineering... exponential increase, and mode-I fracture toughness KIC decreases with the decrease of elastic modulus. The testing results provide a basis for time-dependence of rock engineering stability. Key words: rocks......
High temperature tensile behaviors of extruded and rolled AZ31 Mg alloy QIAO Jun(乔 军), WANG Yu(王 瑜), SHI Guo-dong(史国栋) College of Materials Science and Engineering, University of Science and Technology Liaoning, Anshan 114051, China Received 23 September 2009; accepted 30 January 2010 Abstract: High temperature tensile ductilities and deformation mechanisms of an extruded and rolled AZ31 Mg......
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Influence of recrystallization and environment on tensile behavior of cold-rolled Ni3Al(Zr) alloys LI Yu-fang(李玉芳)1, GUO Jian-ting(郭建亭)2, SHEN Yi-fu(沈以赴)1 1. College of Materials Science...; Abstract: The effects of recrystallization and environment (vacuum versus air) on tensile properties of B-free Ni3Al (Zr) alloys were investigated. The results indicate......
dogbone- shaped specimens (Figure 3) were used for direct tensile test with tensile testing machine (SANTAM). The span length was 160 mm for all samples. The specimens were fixed by jaws of tensile test... of the sample preparation and the test method were reported in previously published paper [26]. The pull-out test was conducted using a tensile testing machine with constant rate of displacement for both PVA......
TiC/AZ91D composites fabricated by in situ reactive infiltration process and its tensile deformation WANG Ji-jie(王继杰)1, GUO Jin-hua(郭金花)2, CHEN Li-qing(陈礼清)3 1. Department of Materials... of Ti and C. A comparative tensile deformation tests were conducted on the as-synthesized TiC/AZ91D composites and magnesium alloy AZ91D. The true strain-stress curves were fitted by Hollomon relation......