共搜索到20202条信息,每页显示10条信息,共2021页。用时:0小时0分1秒280毫秒
] MORITA T, INOUE K, DING Xiaoteng, et al. Effect of hybrid surface treatment composed of nitriding and DLC coating on friction-wear properties and fatigue strength of alloy steel[J]. Materials Science..., 202 (4/5/6/7): 693-697. [19] DU G Y, BA D C, TAN Z, et al. Vibration damping performance of ZrTiN coating deposited by arc ion plating on TC4 Titanium alloy[J]. Surface and Coatings Technology, 2013......
冷却速度在1.0~5.0 ℃/s之间时,主要发生贝氏体转变和马氏体转变;当冷却速度≥5.0 ℃/s时,只发生马氏体转变.所测CCT曲线中无珠光体转变区,可能是如下3方面原因所致:一是实验钢中Mn,Mo,Si和Cr等合金元素的共同作用延长了珠光体转变孕育期;二是非碳化物形成元素Ni提高了铁素体的形核功,降低了奥氏体向铁素体转变的转变速度,也延缓了珠光体转变[7];三是珠光体转变依赖碳及合金元素的扩散..., DENG Xiangtao, et al. Recent research advances of high strength structures steels for construction machine[J]. Jiangxi Metallurgy, 2013, 33(3): 4-7. [2] 陈付红, 丁伟, 黄维, 等. 国外先进公司工程机械用高强钢发展现状[J]. 上海金属......
of Nonferrous Metals Society of China, 2003, 16(3): 1410-1414. [5] NI J J, LUO W, HU C C, et al. Relations of the structure and thermal stability of NdFeB magnet with the magnetic alignment[J]. Journal..., 31(4): 938-944. DOI: 10.11817/j.ysxb.1004.0609.2021-35976 CAO Yu-jie, LIU You-hao, XU Guang-qing, et al. Study on properties and structure of Ho-Nd-Fe-B magnets[J]. The Chinese Journal of Nonferrous......
of NaHCO3 solution on cavitation erosion of copper alloy[J]. Results in Physics, 2019, 13: 102145. [11] TURNBULL A, RYAN M, WILLETTS A, et al. Corrosion and electrochemical behaviour of 316L stainless steel... Haixia, KANG Can, et al. Ultrasonic cavitation erosion behavior and mechanism of Pb-brass alloy in different liquids[J]. Surface Technology, 2018, 47(1): 109-115. [17] LIU Haixia, KANG Can, SOYAMA H......
by sequential plating. For example, TANG et al[16] have successfully prepared Au-rich (Sn-rich) Au-Sn eutectic alloy solders, and Au/Sn (Sn/Au) couples for packaging applications. In this work, the Cu/Sn...; 1 Introduction In electronic devices, common conducting metals, such as Cu, Ni, Ag, Au and their alloys, form intermetallic compounds (IMCs) with Sn......
d,结果表明,无论镀层表面是否有氧化膜,都有锡晶须的生长.在高真空条件下观察到锡晶须的生长,在一定程度上对氧化膜破裂模型提出了挑战. 1.3.7 合金化 ARNOLD[6]最早报道在纯锡镀层中加入约3%的Pb能有效抑制晶须生长,Ni[53],Ag[54-55]和Bi[54-56]也有一定作用,但是效果不如Pb;而Cu[4, 57]可促进锡晶须的生长.Cu能促进锡晶须的生长被认为主要与Cu6Sn5引起的局部应力有关.最近,在一些块体合金中也发现锡晶须的生长现象,如Sn-Al合金[58]及Sn-RE(稀土)合金[11-12, 59-62].尤其对于Sn-RE合金,锡晶须生长现象很严重,表现为孕育期很短,晶须生长速度很快.这种合金元素催化晶须生长的现象对以前认为只有镀层表面才有晶须生长的观点提出了 挑战. 1.3.8 冷,热循环 冷,热循环......
]. THIRUVARUDCHELVAN [1] discussed several novel applications of urethane in the design of metal forming tools. RAMEZANI et al [2] presented a theoretical approach to model the static and kinetic friction... to predict wrinkling accurately in the sheet metal forming without costly trials [3]. SUN et al [3] predicted wrinkling and influence of rubber hardness on the winkling behavior in the rubber forming......
immersion experiments. Copper displayed a non-wetting behaviour on MgAl2O4, whereas slag displayed a reactive wetting and an interaction layer of (Mg,Fe,Zn)(Al,Fe)2O4 spinel was formed at the interface... that the phenomenon has been reported by IP and TOGURI [8] and ANDREWS [11], and was observed by DE WILDE et al [13], so far limited industrial or experimental data concerning this phenomenon were reported......
the variation for aircraft fuselage panel riveting assembly caused by riveting deformation. MORI et al [19] examined the mechanism of self-pierce riveting of multiple aluminum alloy and steel sheets... parts considering riveting assembly with finite element method PAN Ming-hui(潘明辉), TANG Wen-cheng(汤文成), XING Yan(幸研), NI Jun(倪俊) School of Mechanical Engineering, Southeast University, Nanjing 211189......
different substrates: steel, aluminium alloy and reinforced aluminium alloy, and the CrN-steel system presented the best performance. LI et al [16] reported that with increasing WC contents of the cermets... interests are mainly focused on the optimization of coating and development of new coating materials. MO et al [9] demonstrated that the two kinds of AlCrN and TiAlN coatings, the former of which......