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高接头强度.除了用于钎焊LY12铝合金,Al-Si-Cu-Ge钎料也成功应用于铝合金与钛合金之间的钎焊,CHANG等[52]分别采用Al-8.4Si-20Cu-10Ge和Al-8.4Si-20Cu-10Ge-0.1Re钎料实现了6061铝合金和TC4钛合金的钎焊,Re的添加细化了α(Al)相,使针状的Al2Cu相转变为块状;采用Al-8.4Si-20Cu-10Ge钎料钎焊铝合金和钛合金,接头平均抗剪强度为20MPa,添加Re后钎焊接头抗剪强度最大可达51MPa;钎焊接头断裂主要发生在TC4一侧,断口表面检测到大量Al5Si12Ti7金属间化合物颗粒. 表4 钎料成分和熔化温度 Table 4 Chemical compositions and melting temperature of filler metals 3 Al-Si-Ge系列钎料 根据......
electrode[J]. Nature, 1972(238): 37-38. [2] Karakitson K E, Verykios X E. Effect of altervalent cation doping of TiO2 on its performance as a photocatalyst for water cleavage[J]. Journal of Physical......
): 2178-2185. [66] Petherbridge J R, May P W, Fuge G M, et al. Sulfur doping of diamond films: spectroscopic, electronic, and gas-phase studies[J]. J Appl Phys, 2002, 91(6): 3605-3613. [67] Rennick C J......
, resulting in a complete MnO2/MnOOH homogeneous redox process. Furthermore, the discharge capacity of MnO2 can be greatly improved by doping nano-PbO2 powders to modify MnO2 electrodes [11]. Metal-based......
(6864): 625-627. [8] 鲁 飞, 盂凡明. TiO2光催化剂掺杂改性研究进展[J]. 硅酸盐通报, 2011, 30(1): 116-119.LU Fei, Meng Fan-ming. Research evolution of doping modification on TiO2 photocatalyst[J]. Bulletin of the Chinese......
resisting property of Zn-Ca-P conversion coating by doping with cerium and gain insight into the formation and corrosion mechanism of Zn-Ca-Ce-P coated alloy. 2 Experimental 2.1 Preparation of coatings..., MIAO Qiang, TONG Fei, XU Yi, REN Bei-lei, LIU Zhi-mei, YAO Zheng-jun. Electrochemical corrosion behavior of arc sprayed Al-Zn-Si-RE coatings on mild steel in 3.5% NaCl solution [J]. Transactions......
on the electrochemical behavior of zinc electrodes in concentrated alkaline solutions [J]. Adv Mater Res, 2013, 721: 95-104. [44] SLAVKOV D, HARAN B S, POPOV B N, FLEMING F. Effect of Sn and Ca doping......
coatings increases initially and decreases afterwards, while P content reduces (Fig. 1). The Ti content peaked at 6.0 A/dm2. In addition, it is clear that doping nanoparticles have less effect on the P......
on microstructure and impact toughness of Sn-57Bi led-free solders[J]. Journal of Materials Engineering,2010, 10(5): 13-17. [12] CHEN Chih-ming, HUANG Chih-chieh. Effects of silver doping on electromigration......
with other magnesium electrodes [5]. Doping Mg-Al-Pb alloy with La decreased the fraction of β-Mg17Al12 phase and facilitated the formation of β-Al11La3 phase. As reported in Ref. [22], the potential......