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J. Cent. South Univ. (2018) 25: 2537-2549 DOI: https://doi.org/10.1007/s11771-018-3934-1 Elasticity solution of laminated beams with temperature-dependent material properties under a combination... Abstract: An exact solution for simply-supported laminated beams with material properties variable with temperature under a combination of uniform thermo-load and mechanical loads was investigated......
Solid Solution Nitriding Technology of 15Cr-7.5Mn-2.6Mo Duplex Stainless Steel ZHENG Yang-zeng1,QIU Liang2,WANG Chun-Yu2,ZHAO Pin1,FU Rui-dong1 (1.Key Laboratory of Metastable Materials Science & Technology, Qinhuangdao, P.R. China;2.College of Materials Science & Engineering, Yanshan University, Qinhuangdao, P.R. China) 摘要:Solid solution nitriding technologies of 15Cr-7.5Mn-2.6Mo duplex......
Corrosion behavior of WE54 magnesium alloy in 3.5%NaCl solution LI Zhuo-qun(李卓群), SHAN Da-yong(单大勇), CHEN Rong-shi(陈荣石), KE Wei(柯 伟), HAN En-hou(韩恩厚) Environmental Corrosion Center, Institute... in 3.5%NaCl aqueous solution. The electrochemical study shows that the value of corrosion potential of WE54 magnesium was -1.8V(vs SCE). In the initial stage of immersion, a kind of visible thin film......
. 4 EPMA microstructure and element scanning distribution maps of solution treated Al-Zn-Mg-Cu alloy 图5 固溶态Al-Zn-Mg-Cu-Sc-Zr合金的显微组织和元素面扫描分布 Fig. 5 EPMA microstructure and element scanning distribution maps of solution treated Al-Zn-Mg-Cu-Sc-Zr alloy 固溶态合金的TEM显微组织如图6所示.对比图3可知,固溶态合金内位错亚结构减少(图6(a)和(b),说明挤压合金在固溶处理中发生了一定的静态软化,但低钪合金内仍保留一定的亚晶结构;经放大观察可以发现,晶内和晶界均存在Al3(Sc1-xZrx)粒子,且该粒子强烈钉扎晶界/亚晶界(见图6(c......
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Trans. Nonferrous Met. Soc. China 23(2013) 631-635 Effect of solution treatment and artificial aging on microstructure and mechanical properties of Al-Cu alloy Jae-Ho JANG1,2, Dae-Geun NAM1, Yong-Ho... were applied. As defined by the T6 heat treatment, the standard artificial aging treatment for Al-Cu alloy followed heat treatments of solution treatment at 510-530 °C for 2 h, quenching in water at 60......
the solution strengthening effect of yttrium is better than that of aluminum in Mg-Al alloy is the enhanced bond energy according to EET.And it is concluded from EET analysis that intermetallics Mg24Y5 can...; yttrium; EET; solution strength; second-phase strength; rare earths; [全文内容正在添加中] ......
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railway track strengthening technical solution[J]. Railway Engineering,2012(6): 136-138. [6] 杨德修. 重载铁路运输轨道结构面临的主要问题及强化措施[J]. 铁道标准设计, 2005(12): 10-12. YANG Dexiu. The major issues on the heavy-haul...横向振动容许极限车速分别提高了18.7%,24.3%,26.6%和28.0%.当K2>120 MN/m时提升幅度较小. 表3 扣件强化条件下FTT系统横向振动稳定性计算结果 Table 3 Calculation results of lateral vibration stability of FTT system under fastener strengthening 为分析扣件强化对货物......