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Examination of Plasma Nitriding Microstructure with Addition of Rare Earths 张津1 (1.Department of Materials Science and Engineering,Chongqing Institute of Technology,Chongqing 400050,China) Abstract:Medium-carbon alloy steel was plasma nitrided with rare earths La,Ce and Nd into the nitriding chamber respectively.The nitriding layer microstructures with and without rare earths were compared......
Ni/Al Intermetallics Plasma Transferred Arc Processing Ana Sofia C. M. D'Oliveira1,Ver2 (1.Mechanical Engineering Department, Federal University of Parana, Curitiba/Brazil;2.o)nica A. B. Almeida(o... the possibility to strengthen surface components with alloys that would not be possible to process otherwise. This work used Plasma transferred arc (PTA) hardfacing for surface alloying. Different amounts......
Plasma boronizing of Ti6AlV4 using solid precursors by double glow plasma alloying technique QIN Lin(秦 林) 1, QU Jun-zhi(曲均志)1, LIN Nai-ming(林乃明)1, FAN Ai-lan(范爱兰)1, CHANG Da-qing(常大庆)2, TANG...; accepted 15 September 2006 Abstract: Solid state B-offerings (FeB compound) were used for plasma-assisted boronizing on Ti6Al4V alloy by double glow discharge plasma alloying technique (DGPSA). During......
Investigation of Optimal Control System for Arc Spraying CHEN Ke-xuan1,LI Chun-xu1,LI He-qi1,Lu Guang2 (1.Education Ministry Key Lab. of Advanced Processing Technology for Non-ferrous Materials... controller and arc current feedback PID controller are designed with a control algorithm of discrete PID separately to realize optimal control in computer controlling arc-spraying system. In order to realize......
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Plasma and Gaseous Nitrocarburizing of C60W Steel for Tribological Applications A.Shafyei1,M.Mirjani2,F.Ashrafizadeh3 (1.Dept. of Materials Engineering,, Isfahan University of Technology, Isfahan, Iran;2.Iranian Surface Research & Engineering Centre (ISREC;3.Dept. of Materials Engineering, Isfahan University of Technology, Isfahan, Iran) 摘要:A comparison has been made between plasma and gas......
IMPROVEMENT OF DISPERSION ABILITY OF NANOMETER PARTICLES BY MEANS OF PLASMA POLYMERIZATION Y.M.LIU1,X.G.Guo1,G.Q.Zhang1,Y.J.Ge1 (1.Beijing Institute of Printing, Beijing 102600, China) Abstract... of plasma polymerization has been done. Some physicalbehaviors and chemical constitution of prepared film as well as the influence of poly-merized film on nanometer material were tested. All......
The Study of Plasma Nitriding of AISI304 Stainless Steel WANG Liang1,JI Shi-jun1,GAO Yu-zhou1,SUN Jun-cai1 (1.Institute of Metal and Technology, Dalian Maritime University) 摘要:This paper presents results on the plasma nitriding of AISI 304 stainless steel at different temperatures in NH 3 gas. The working pressure was 100~200 Pa and the discharge voltage was 700~800V. The phase of nitrided......
