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石油和天然气工业用泵和压缩机管道的螺纹表面的防护L.Baldaev,S.Mankovsky,D.Ishmukhametov,A.Rigin,刘镇洋摘 要:本文主要介绍俄罗斯防护涂层技术公司(TSCP)在油气工业中泵和压缩机管道(PCP)螺纹表面进行涂层研究和开发的结果.关键词:泵和压缩机管道;螺纹表面防护;高速空气-燃料火焰喷涂(HVAF);自熔镍基合金;钴-碳化钨;......
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014010, China) Abstract: High strength Al-8.2Zn-2.2Mg-2.1Cu -0.14Zr-1.0Ni(mass fraction, %) alloys, which was produced by spraying deposition method(the Osprey process), were heat treated... at a ductility of 9.6% after the optimized solid solution and T6 aging. Key words: Al-Zn-Mg-Cu alloy; Nickel element; solid-solution treatment; spraying deposition 7055铝合金是目前世界上工业化应用中强度最高的一种Al-Zn-Mg-Cu系结构材料......
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空气超音速火焰喷枪设计理论与数学模型的建立 胡仲翔1,田欣利1,王志健1 (1.装甲兵工程学院材料系,北京,100072) 摘要:空气超音速火焰喷枪设计是开发空气超音速火焰喷涂技术的关键.本文阐述了喷枪的关键结构件包括燃烧室,laval喷嘴及加速管设计理论,即超音速燃烧学与空气动力学理论,在此基础上通过确定过程参数建立了以一维定常等熵流为假设条件的喷枪设计的理论模型,从而为深入研究和开发HVAF技术和空气超音速火焰喷枪的设计提供了较为理想的研究平台. 关键词:超音速火焰喷枪; 燃烧室; laval喷嘴; 加速管; 数学模型; [全文内容正在添加中] ......
Effect of Monolithic LaB6 on the Ablation Resistance of ZrC/SiC Coating Prepared by Supersonic Plasma Spraying for C/C CompositesYujun Jia,Hejun Li,Lu Li,Qiangang Fu,Kezhi LiState Key Laboratory of Solidification Processing, Northwestern Polytechnical University摘 要:Ablation resistance of monolithic LaB6-doped ZrC coating for SiC-coated carbon/carbon......
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are found in the coatings with Ce added, accordingly improves the mechanical properties. Key words: rare earth; Ce; aluminum bronze; plasma spraying coating 1 Introduction Aluminum bronze alloy has low shear... and thus to avoid the formation of γ2 phase, a low-pressure atmospheric plasma spraying technique is employed. This technique gives very high rates of cooling because of the high droplet velocity and small......
(2016)02-0606-09 Numerical simulation on gunite dust of bolt-shotcrete operating area in coal mine and development of new wet spraying integral machine ZHOU Gang1, 2, 3, ZHANG Qi1, 2, CHENG Weimin1, 2...) Abstract: The numerical simulations on gunite dust of migration law and mass concentration during dry and wet spraying were conducted by FLUENT software based on dispersed phase model. According......