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Electrolyte composition and galvanic corrosion for ruthenium/copper electrochemical mechanical polishingYan-Fei Bian1,Wen-Jie Zhai1,Yuan-Yuan Cheng2,Bao-Quan Zhu11. School of Mechatronics Engineering... and highly promising technology.A specific challenge for integrating Ru as barrier in Cu interconnect structures is the galvanic corrosion of Cu that occurs during ECMP.To mitigate the problem......
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Towards Long-Life Replacement Joint Prostheses - A Surface Engineering Approach Hanshan Dong1 (1.Department of Metallurgy and Materials, The University of Birmingham, Birmingham B15 2TT, UK) 摘要:How to improve the wear resistance of bearing surfaces, hereby achieving long life of orthopaedic joint prostheses has long been a technical challenge with much fundamental interest and social......
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Microstructure and interface reaction of investment casting TiAl alloys CHEN Yu-yong(陈玉勇), XIAO Shu-long(肖树龙), KONG Fan-tao(孔凡涛), WANG Xue(王 雪) National Key Laboratory for Precision Hot... the microstructure of TiAl alloy and TiAl-mould reaction between TiAl and ceramic mould shells prepared with the low cost binder in investment casting, the ceramic mould shells were prepared with low cost......
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摩擦提升机首绳更换方法刘应国1,沈充2,曹云志3(1.北京市黄金集团公司2.湖北鸡笼山黄金矿业有限公司3.湖北三鑫金铜股份有限公司)摘 要:摩擦提升机在岩金地下开采矿山应用较普遍.介绍了3种更换摩擦提升机首绳的方法,即用八联绳卡同步更换全部首绳,用专用绳盘同步更换全部首绳,利用2台绞车逐根更换首绳;并对3种首绳更换方法进行了对比分析,指出其优点,缺点和适用场所.值得参考.关键词:摩擦提升机； 首绳； 更换......
on suppressing alkali aggregate reaction (AAR) expansion was assessed using the method of ASTM C441 and accelerated test method. Experimental results show that mechanical properties can be improved further due... in expansion rate of mortar bars with mineral admixtures can be achieved in AAR tests. Mineral admixtures with steel slag powder as partial replacement for Portland cement in concrete is an effective means......
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