共搜索到10993条信息,每页显示10条信息,共1100页。用时:0小时0分0秒546毫秒
phase and accumulates in the liquid owe to its positive mixing enthalpy with other elements. Tensile testing results show that the ultimate tensile strength(UTS) gradually increases from 400 MPa to 450...Microstructure evolution, Cu segregation and tensile properties of CoCrFeNiCu high entropy alloy during directional solidificationHuiting Zheng1,Ruirun Chen1,2,Gang Qin1,Xinzhong Li1,Yanqing......
J. Cent. South Univ. (2018) 25: 1708-1716 DOI: https://doi.org/10.1007/s11771-018-3862-0 Heat transfer performance testing of a new type of phase change heat sink for high power light emitting... of the developed testing system, heat transfer performance of the heat sink is tested under the condition of natural convection, upon which the influence of thermal load and working medium on the heat......
of the microstructure on tensile properties, the size of tensile test sample was designed to make the testing region of tensile test samples only contain the same microstructure. The size of the testing region is 4 mm... Quasi-static and dynamic tensile behaviors in electron beam welded Ti-6Al-4V alloy ZHANG Jing1, TAN Cheng-wen1, 2, REN Yu1, WANG Fu-chi1, CAI Hong-nian1 1. School of Materials Science......
Optimization of pulsed current gas tungsten arc welding process parameters to attain maximum tensile strength in AZ31B magnesium alloy G. PADMANABAN, V. BALASUBRAMANIAN Center for Materials... relationship to predict tensile strength of pulsed current gas tungsten arc welded AZ31B magnesium alloy was developed. Incorporating process parameters such as peak current, base current, pulse......
split tensile strength and percentage of water absorption of concretes containing ZrO2 nanoparticles have been developed at different ages of curing.For building these models,training and testing using... of curing medium,age of curing and number of testing try.According to these input parameters,in the neural networks and genetic programming models,the split tensile strength and percentage of water absorption......
Microstructures and tensile properties of as-extruded Mg-Sn binary alloys CHEN Dong(陈 冬), REN Yu-ping(任玉平), GUO Yun(郭 运), PEI Wen-li(裴文利), ZHAO Hong-da(赵宏达), QIN Gao-wu(秦高梧) Key Laboratory... of Mg-xSn (x=3, 7 and 14, mass fraction, %) alloys extruded indirectly at 300 ?C were investigated by means of optical microscopy, scanning electron microscopy and tensile test. The grain size of the α......
Microstructure and tensile properties of as-extruded Mg-Sn-Y alloys ZHAO Hong-da(赵宏达), QIN Gao-wu(秦高梧), REN Yu-ping(任玉平), PEI Wen-li(裴文利), CHEN Dong(陈 冬), GUO Yun(郭 运) Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University, Shenyang 110004, China Received 23 September 2009; accepted 30 January 2010 Abstract: The microstructure and tensile......
Bimodal grain structures and tensile properties of a biomedical Co-20Cr-15W-10Ni alloy with different pre-strainsCheng-Lin Li1,Seong-Woo Choi2,Jeong Mok Oh2,Jae-Keun Hong2,Jong-Taek Yeom2,Joo-Hee.... Materials Testing & Reliability Division,Korea Institute of Materials Science摘 要:The influence of pre-strain on the formation of bimodal grain structures......
and trans-granular interlamellar fracture are the predominant modes. After room temperature tensile testing, there are some <101] and a few 1/2<112] superdislocations in the γ phase. The as-cast... in a solution of 60% (volume fraction) methanol, 35% butyl alcohol and 5% perchloric acid at 15 V and -30 °C. The tensile testing at room temperature (RT) was carried out on the 5569-type Instron testing machine......
Tensile properties of as-deformed 2A50 aluminum alloy in semi-solid state DU Zhi-ming(杜之明)1, 2, CHEN Gang(陈 刚)1, LIU Jun(柳 君)1, XIE Shui-sheng(谢水生)2 1. School of Materials Science..., China Received 13 May 2010; accepted 20 June 2010 Abstract: Tensile properties of as-deformed 2A50 aluminum alloy were investigated in the high temperature solid and semi-solid states. The results......