共搜索到22349条信息，每页显示10条信息，共2235页。用时：0小时0分0秒828毫秒
resistance ration value of pure beryllium is 20-147, and it changes with the aging temperature and aging time. High pure beryllium has ageing tendency just as alloy, so it can be used as aging low alloy... hardening in beryllium- aluminum-silver alloy[J]. Acta Materialia, 1996, 44(11): 4311-4315. [8] 张秋平, 张永寿. Be-Al合金的机械性能[J]. 飞航导弹, 2002(12): 57-61. ZHANG Qiu-ping, ZHANG Yong-shou. Mechanical properties......
Electrochemical performance of organic film on copper surface by polymer plating of 6-mercapto-1, 3, 5-triazine-2, 4-dithiol monosodium YE Qi(叶 奇), KANG Zhi-xin(康志新), LI Yuan-yuan(李元元... monosodium (TTN) compound was used to fabricate an organic film on pure copper. The polymer plating process of TTN on pure copper in Na2CO3 aqueous solution and the growth mechanism of poly......
Process optimization of electroless copper plating and its influence on electrochemical properties of AB5-type hydrogen storage alloy张博,吴文远,尹少华,李世伟,罗瑶,边雪,涂赣峰摘 要:alloy exhibited better corrosion resistance.关键词:......
Process optimization of electroless copper plating and its influence on electrochemical properties of AB5-type hydrogen storage alloy张博,吴文远,尹少华,李世伟,罗瑶,边雪,涂赣峰摘 要:alloy exhibited better corrosion resistance.关键词:......
on copper electrode in molten KCl-HoCl3 at 1 066 K. The first charge-transfer reaction is reversible. The structure of holmium-copper alloy film deposited on copper electrode by potentiostatic electrolysis...-copper alloy; electrochemical formation; free energy of formation; diffusion coefficient 1 Introduction Alloys of rare earth Ho with other metals (Fe, Co, Ni, Cu, etc) possess electrical, magnetic......
is produced on AZ31 magnesium alloy by electrodeposition using copper hydroxide and citrate solution with the addition of sodium fluoride, SP, MZ and PEG [7]. Systematic studies on copper deposition... or increasing the polarization of metal electrodeposition due to their adsorption on active sites [11]. LOW and WALSH [12] have studied the normal and anomalous codeposition of copper-tin alloy......
Dissolutive wetting process and interfacial characteristic of molten Sn–17Bi–0.5Cu alloy on copper substrateBing-Sheng Xu1,Li-Kun Zang2,Zhang-Fu Yuan3,Yan Wu3,Zhou Zhou41. Beijing Key Laboratory...="ChDivSummary">The reactive spreading processes of Sn–17Bi–0.5Cu melt alloy on Cu substrate were studied by sessile drop method in the temperature range of 523–673 K.Dynamic contact angles between the solder......
Cui-li. Electrochemical properties of copper electrode coated with Sn-In alloy electrochemical plating in KOH solution [J]. Materials Protection, 2005, 38(12): 8-10. (in Chinese) [19] LI Song-mei... Effects of electrolyte components on properties of Al alloy anode MA Zheng-qing(马正青), ZUO Lie(左 列), PANG Xu(庞 旭), ZENG Su-min(曾苏民) School of Materials Science and Engineering......
the hydrochloric acid leaching solution of alloy scraps. The process consists of five major unit operations: 1) leaching with 6 mol/L hydrochloric acid under the L/S ratio of 10?1 at 95 ℃ for 3 h; 2) copper... Recovery of Co(Ⅱ) and Ni(Ⅱ) from hydrochloric acid solution of alloy scrap SHEN Yong-feng(申勇峰)1, 2, XUE Wen-ying(薛文颖)3, NIU Wen-yong(牛文勇)3 1. Key Laboratory for Anisotropy and Texture......
Synthesis of ultrafine copper particles by complex-reduction-extraction method YANG Jian-guang(杨建广), YANG Sheng-hai(杨声海), TANG Chao-bo(唐朝波), HE Jing(何 静),TANG Mo-tang(唐谟堂) School... copper particles with satisfied anti-oxidation property was described. The resultant particles were characterized by X-ray diffractometry and scanning electron microscopy. The results show that well......
