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by increasing its diameter, temperature and velocity. To the coating fabricated by plasma spray forming, higher flattening ratio of droplets usually implies relatively denser microstructure, better intensity..., temperature and velocity are favorable for the quality improvement of the coatings in microstructure, intensity and service time. References [1] FANG Jian-cheng, XU Wen-ji. Plasma spray forming[J......
Development of Al356e-Al2O3 Nanocomposite Coatings by High Velocity Oxy-fuel TechniqueY.Mazaheri,F.Karimzadeh,M.H.EnayatiDepartment of Materials Engineering,Isfahan University of Technology摘 要:
during the forming process were analyzed, which include high strain rate, viscous effect and first increasing then decreasing characteristics of hardening velocity. The non-linear spring, linear spring...金属粉体高速压制成形的变形特性. 关键词:高速压制成形;高应变率;加工硬化;应力-应变曲线 中图分类号:TF12 文献标志码:A Characteristics analysis of stress-strain curves of metal powers during high velocity compaction process......
Improvement of a High Velocity Compaction Technique for Iron PowderDil Faraz KHAN1,2,Haiqing YIN1,Zahid USMAN3,Matiullah KHAN4,2,Xianjie YUAN1,Wenhao WANG1,Xuanhui QU11. Laboratory of Particulate...="ChDivSummary" name="ChDivSummary">Water atomized pure iron powder was compacted by high velocity compaction(HVC) with and without upper relaxation assist(URA) device.The influence of URA device on green......
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Complete Maps for the Internal Oxidation of Ideal Ternary Alloys Forming Insoluble Oxides under High Oxidant Pressures () 摘要:This paper presents an analysis of the conditions of stability of the different forms of internal oxidation of ideal ternary A-B-C alloys, where A is the most noble and C the most reactive component, forming insoluble oxide and exposed to high pressures of a single......
medium is 20 ℃. During forming, the sheet, which is initially at uniform temperature of 250 ℃, comes in contact with viscous medium at room temperature and looses heat rapidly due to its high thermal... Influence of viscous medium temperature distribution on sheet fracture in viscous pressure forming at warm temperature LIU Jian-guang(刘建光)1, WANG Zhong-jin(王忠金)1, ZHANG Xin(张鑫)2, LI Yi(李毅)1 1......
Effect of Sr on forming properties of Al-Mg-Si based alloy sheets LU Guang-xi(卢广玺), CHEN Hai-jun(陈海军), GUAN Shao-kang(关绍康) School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002, China Received 28 July 2006; accepted 15 September 2006 Abstract: The effects of Sr element on the forming properties of the Al-Mg-Si based alloy sheets were studied by tensile test......
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and on spot. It is proved that using high velocity oxygen fuel to strengthen the surface on flow parts of hydraulic turbine can effectively prolong the service life of hydroelectric generating set. 关键词:hydraulic turbine; ablation; high velocity oxygenfuel technology; surface strengthen; [全文内容正在添加中] ......