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Article ID: 1003-6326(2005)06-1290-07 Tribological behavior of high specific strength PTFE-Al alloy composite XIANG Ding-han(向定汉)1, PAN Qing-lin(潘青林)2 (1. College of Materials Science... composite as a solid lubricant and a high strength Al alloy containing minor Sc as the backing. 2 EXPERIMENTAL 2.1 Preparation of test specimens In the present study, two self......
De-ping, JIANG Jia-qiao. New type of spherical pore Al alloy foam with low porosity and high strength[J]. Science in China B, 2004, 47(5): 407-413. [6] 吴照金, 何德坪. 泡沫铝凝固过程中孔隙率的变化[J]. 科学通报, 2000, 45(8... 文献标识码: A Preparation of porous Al with high porosity by infiltration method ZHANG Wei-kai, LI Nai-zhe, HE De-ping (Department of Materials Science and Engineering, Southeast University, Nanjing......
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’nan 250116, China) Abstract: Micron cell porous Al with high strength was fabricated by the vacuum-pressure sintering-dissolution processing. The preparation processing, strength and filtration... sample and result in a micron cell porous Al with high bending strength. Taking bending strength as the goal, the optimal processing parameters for fabricating micron cell porous Al......
alloy[10-11]. The squeeze castings with small height-to-thickness ratio (＜3) have been studied extensively, such as high-strength Zn-Al alloys in squeeze casting used for some gears[12]. However.... Squeeze casting of Zn-Al alloy gears with high strength [J]. Special Casting and Nonferrous Alloys, 2005, 25(10): 637-638. (in Chinese) [13] LI Chen-xi, SAN Jing-chao, XU Na, CAO Liang, BAI Yan-hua, LI......
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Microstructures and mechanical properties of high strength Mg-Zn-Mn alloy ZHANG Ding-fei(张丁非)1, 2, SHI Guo-liang(石国梁)2, DAI Qing-wei(戴庆伟)2, YUAN Wei(袁 炜)2, DUAN Hong-ling(段红玲)2 1. National... aging that provide more effective nuclei for Mg-Zn strengthening phases during the second step aging. Key words: high strength; Mg-Zn-Mn alloy; microstructures; mechanical properties ......
demonstrate their great potential as a promising candidate for high temperature applications. Key words: sintering additive; flexural strength; porosity; glassy phase; Si3N4 porous ceramics Cite... morphology [1-7]. The typical processing routes for the synthesis of high strength porous Si3N4 ceramics usually involve the high temperature sintering with a large amount of sintering additives......
a 37% reduction of the tensile strength and 55% reduction of the strain as compared with the NiTi alloy. Possible biomedical or other applications for this porous surface with good mechanical strength provided by the substrate are prospective. Key words: laser surface alloying; NiTi shape memory alloy; porous coating; biomaterial ......
strength of the joint reaches the high value of 57 MPa obtained at larger bonding time of 60 min. Key words: transient liquid phase; Al 2024 alloy; Ti-6Al-4V alloy; thermal spray; shear strength 1 Introduction Ti-6Al-4V alloy is by far the most investigated and tested titanium alloy that covers over 50% of the titanium market due to its excellent balance between high specific strength and excellent......
