Effect of high current pulsed electron beam treatment on surface microstructure and wear and corrosion resistance of an AZ91HP magnesium alloy

2007 ◽  
Vol 201 (14) ◽  
pp. 6297-6303 ◽  
Author(s):  
Bo Gao ◽  
Shengzhi Hao ◽  
Jianxin Zou ◽  
Wenyuan Wu ◽  
Ganfeng Tu ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Electron Beam ◽  
Magnesium Alloy ◽  
Surface Microstructure ◽  
Electron Beam Treatment ◽  
High Current ◽  
Pulsed Electron Beam ◽  
Wear And Corrosion ◽  
Wear And Corrosion Resistance

High Current Pulsed Electron Beam Effect on Micro-Arc Oxidation Film of Ti Alloy

2015 ◽  
Vol 1094 ◽  
pp. 320-324
Author(s):  
Hui Zhao ◽  
Chun Yan Du ◽  
Jin Hua Yang ◽  
Xiao Hui Wang
Keyword(s):  
Corrosion Resistance ◽  
Electron Beam ◽  
Surface Film ◽  
Anatase Phase ◽  
Porous Ceramic ◽  
Rutile Phase ◽  
High Current ◽  
Pulsed Electron Beam ◽  
Micro Arc Oxidation ◽  
Wear And Corrosion Resistance

High Current Pulsed Electron Beam (HCPEB) was employed to treat Ti-6Al-4V alloy subjected to micro-arc oxidation. The surface morphology and phase composition of surface film were investigated, as well as the wear and corrosion resistance. The results show that the coarse porous ceramic coating becomes smooth and compact after electron beam treatment. High temperature stable rutile phase increases, and low temperature stable anatase phase reduces. The friction coefficient of composite coating reduces obviously and stabilizes at 0.2, and the wear resistance is improved. The increased corrosion potential and decreased corrosion rate exhibits an enhanced corrosion resistance.

Low Energy High Current Pulsed Electron Beam (LEHCPEB) Treatment: An Effective Way for Improving Surface Microstructure and Properties

2010 ◽  
Vol 636-637 ◽  
pp. 1091-1096
Author(s):  
Thierry Grosdidier ◽  
Jian Xin Zou ◽  
K.M. Zhang ◽  
Sheng Zhi Hao ◽  
Chuang Dong
Keyword(s):  
Electron Beam ◽  
Surface Modifications ◽  
Metastable Phases ◽  
Low Energy ◽  
Surface Microstructure ◽  
High Current ◽  
Present Contribution ◽  
Corrosion Properties ◽  
Pulsed Electron Beam ◽  
Wear And Corrosion

Low energy high current pulsed electron beam (LEHCPEB) is a fairly new technique for surface modifications, including hardening, alloying and formation of metastable phases as well as improvement in wear and corrosion properties. The present contribution gives some new insights on the microstructure modifications encountered at the top surface of HCPEB treated metals. In particular, the potential of the technique for structure modifications associated with the use of the pulsed electron beam under “heating” and “melting” conditions are highlighted.

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