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% Al, respectively. Excellent high temperature oxidation resistance and superior pore conformation stability for the Ni-16Cr-xAl based superalloy foam with 9% Al can be mainly attributed to the formation of relatively continuous and protective Al2O3 oxides on the surface of the foam.Key words:Ni-Cr-Al based superalloy foam？ high temperature oxidation？ oxide scale？ pore conformation stability......
study is to find a suitable method ensuring complete densification of the superalloy foam ligaments without using low-melting additives and achieving uniform chemical composition at moderate sintering... of elemental powders. Key words: superalloy foam; suspension replication; sintering; diffusion; microstructure 1 Introduction Superalloy foams with an open-pore reticulated structure are strong candidates......
Research on magnesium alloy-based foam composites for lessening the vibration WANG Ling1 (1.Department of Physics, Nanjing Information University of Science and Technology,Nanjing 210044,China) 摘要:This paper deals with the morphology and performance of Mg alloy-based foam materials whichcan lessen vibration. 关键词:magnesium alloy; foam materials; lessening vibration; [全文内容正在添加中] ......
Electroless copper plating on microcellular polyurethane foam TIAN Qing-hua(田庆华), GUO Xue-yi(郭学益) School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China... with good conductive foam for high porosity foam metal materials used in the metal electrodes, the technique of electroless copper plating on the microcellular polyurethane foam with pore size of 0.3 mm......
我国高温合金的发展与创新师昌绪1,仲增墉2(1.北京市 国家自然科学基金委员会2.中国金属学会,北京 100711)摘 要:本文描述了我国高温合金的发展历程,近期的科技进步与创新和今后需进行的工作.关键词:高温合金......
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Study on the Interface Bonding and Bending Fatigue Properties of Aluminum Alloy Foam Sandwich () 摘要:Foam materials have many attractive properties because of their low-weight and cell structure. By sandwiches with an aluminum-foam core, it is possible to obtain higher structural stiffness and rigidity, maintain stability against buckling and additionally make use of the high energy......
Research Institute of Petroleum Engineering, Beijing 100101, China)Abstract:In order to present a new method for plugging channeling in oil field, the injection modes and validity period of foam system... reservoir pressure, permeability, oil saturation and gas-to-liquid ratio were studied through dynamic experiment. Then, in light of the technology characteristics of foam injection in oil field......
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Heat transfer characteristics of lost foam casting process of magnesium alloy LIU Zi-li(刘子利)1, 2, PAN Qing-lin(潘青林)2, CHEN Zhao-feng(陈照峰)1, LIU Xi-qin(刘希琴)1, TAO Jie(陶 杰)1 1. College... of magnesium alloy lost foam casting(LFC) process were explored. The results indicate that without vacuum a positive thermal gradient from the gate to the end of the casting was formed immediately after......
