共搜索到5452条信息,每页显示10条信息,共546页。用时:0小时0分0秒312毫秒
Corrosion behaviors of Cr-Al-N coatings deposited by reactive magnetron sputtering DUO Shu-wang(多树旺)1, 2, ZHU Ming(朱 明)2, 3, LIU Ting-zhi(刘庭芝)1, LI Zhong-jun(李忠峻)1, WANG Peng(王... 110016, China Received 15 July 2007; accepted 10 September 2007 Abstract: CrN and Cr-Al-N coatings were deposited by reactive magnetron sputtering on the glass substrate, and their corrosion behavior......
Preparation of Metallurgical Ceramic Coatings on Steel Using a Combined Technique SHEN De-jiu1,WANG Yu-lin1,XING Guang-zhong1,Gu Wei-Chao1 (1.Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, Hebei, P. R. China) 摘要:Micro-arc oxidation (MAO) is a novel surface technique for producing ceramic coatings on valve metals and their alloys......
......
that the coated precursor transforms completely to La2O3 after calcination at 750 ℃ for 2 h. La2O3/ZrC composite powders are nano-structured, and the particle size range is from 60 to 80 nm. The ζ...: heterogeneous precipitation; nano-composite powder; La2O3; ZrC 航空航天工业的飞速发展对材料的高温性能提出了更高的要求.难熔金属由于具有高熔点,高弹性模量,高热导率和良好耐腐蚀性等特点,被广泛用作高温材料.但难熔金属随着温度升高至1 000 ℃,强度将下降至室温的20%~40%[1],限制了其向航空航天领域的进一步应用扩展.在钨基体中添加ZrC......
Microstructure and Performances of Nanocrystalline Zinc-nickel Alloy Coatings LI Guang-yu1,NIU Li-yuan1,JIANG Zhong-hao1,LIAN Jian-she1 (1.The Key Lab of Automobile Materials, Ministry of Education, China, College of Materials Science and Engineering, Jilin University, Nanling Campus, Changchun, 130025, China) 摘要:Nanocrystalline zinc-nickel alloy coatings were deposited from an alkaline......
......
Composition Gradient Hard Coatings by Arc Ion Plating LIN Guo-qiang1,CHEN Jun2,WANG Fu-gang2 (1.State Key Laboratory for Materials Modification, Dalian , China;2.Department of material engineering of Dalian University of Technology, Dalian , China) 摘要:Arc Ion Plating can be used to synthesize multi-component composition gradient hard coatings by adjusting arc currents of metal targets......
High temperature performance of arc-sprayed aluminum bronze coatings for steel ZHANG Zhong-li(张忠礼)1, LI De-yuan(李德元)1, WANG Shui-yong(王水勇)2 1. School of Materials Science and Engineering... April 2006 Abstract: The high-temperature oxidation behavior of arc-sprayed aluminum bronze coatings on steel substrate was studied during isothermal exposures in air at 900 ℃. The surface......
Micro-Crystalline Coatings of Co-Cr Dispersed with Y2O3 Deposited by Series Electro-Pulse Discharge 李正伟1,王德仁2,何业东2,高唯1,徐强2,齐慧滨2 (1.Department of Chemical and Material Engineering, The University... with the substrate alloy as an induction electrode. Micro-crystalline Co-Cr and Co-Cr dispersed with Y2O3 coatings were deposited on Fe-18Cr-8Ni stainless steel surface by using Co30Cr alloy as the depositing......
Corrosion Behavior of Electrodepositing Ni/Al2O3 Composite Coatings under the Presence of NaCl Deposit Xie Danyang1,Liu Lin2 (1.Department of Environmental and Chemical Engineering, Yanshan...) and energy dispersive spectrum (EDS). The results showed that the corrosion of all composite coatings was accelerated under NaCl deposits, and the corrosion products were rather porous with poor......