共搜索到30334条信息,每页显示10条信息,共3034页。用时:0小时0分0秒363毫秒
wall, and high concentrations of CO2,, and Cl-, as well as small amounts of H2S, have been tested in the annulus medium. The findings provide good conditions for sulfide stress corrosion cracking... coexistence environment focus on room temperature and high temperature/high pressure conditions [7–10], whereas studies on stress corrosion behavior and its key influencing factors in such annulus......
Effect of hydrogen content and stress state on room-temperature mechanical properties of Ti-6Al-4V alloy YUAN Bao-guo(袁宝国), LI Chun-feng(李春峰), YU Hai-ping(于海平), SUN Dong-li(孙东立... (in the range of 0%-0.5%, mass fraction) and stress state (tension and compression) on the room-temperature mechanical properties of Ti-6Al-4V alloy through mechanical properties tests. The effects......
to the relatively high zinc coupled with low copper and magnesium in comparison with the others [1-4]. The combination of high strength and stress corrosion cracking (SCC) resistance was contradictory...J. Cent. South Univ. (2016) 23: 1858-1862 DOI: 10.1007/s11771-016-3240-8 Effect of a novel three-step aging on strength, stress corrosion cracking and microstructure of AA7085 CHEN Song-yi(陈送义)1, 2......
) (n≥5). The solutions of crack tip high order stress fields for opening mode and shear mode are provided in the following sections. 2.3 Crack tip higher order stress fields for opening mode loading...J. Cent. South Univ. Technol. (2010) 17: 1177-1184 DOI: 10.1007/s11771-010-0615-0 Crack tip higher order stress fields for functionally graded materials with generalized form of gradation YAN Xiu......
; Deposit 3D modeling and application LUO Zhou-quan(罗周全), LIU Xiao-ming(刘晓明), SU Jia-hong(苏家红), WU Ya-bin(吴亚斌), LIU Wang-ping(刘望平) (School of Resources and Safety... and mining engineers of the mine to do research work of reserves estimation, mining design, plan making and so on. Key words: geologic database; deposit model; cavity; reserves; SURPAC software ......
......
include brightening of the deposit, grain size reduction, reducing the tendency of tree formation, increasing the current density, promoting leveling and reducing stress and pitting [7,8]. The presence... and produce a compact, smooth and high quality deposit. However, systematic studies based on the influence of organic additives on deposit morphology are few in the case of cobalt electrodeposition......
tension directions. This indicates the possibility of a new alloy design that has a high resistance to fracture by controlling rolling process. It is expected that higher stress intensity factor... Evaluation of stress intensity factors of thin AZ31B magnesium alloy plate under biaxial tensile loading WANG Jian-gang(王建刚)1, ZHAO Hong-yang(赵红阳)2, JU Dong-ying(巨东英)2, 3 1. Graduate School......
Trans. Nonferrous Met. Soc. China 22(2012) 2106-2111 Effect of Ru on stress rupture properties of nickel-based single crystal superalloy at high temperature SHI Zhen-xue, LI Jia-rong, LIU Shi-zhong... MPa) and (1120 ℃, 140 MPa). The results show that Ru can enhance high temperature stress rupture properties of single crystal superalloy. The improvement effect of Ru addition on stress rupture......
......