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.

Crater Eruption Induced by High Current Pulsed Electron Beam (HCPEB) Treatment

2010 ◽  
Vol 654-656 ◽  
pp. 1700-1703 ◽  
Author(s):  
Thierry Grosdidier ◽  
Xiang Dong Zhang ◽  
Jiang Wu ◽  
Nathalie Allain-Bonasso ◽  
Ke Min Zhang ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Electron Beam ◽  
Surface Properties ◽  
Nucleation And Growth ◽  
Corrosion And Wear ◽  
Crater Formation ◽  
High Current ◽  
Negative Effects ◽  
Pulsed Electron Beam ◽  
Potential Formation

High current pulsed electron beam (HCPEB) is a fairly new technique for improving surface properties such as corrosion and wear resistances. One of the negative effects induced by HCPEB is the potential formation of craters on the surface of the HCPEB treated materials. These changes can impair the corrosion-resistance by promoting pitting. The mechanisms of nucleation and growth are detailed and the effect of the number of pulses on crater formation is discussed.

Influence of Electron Beam Pulsed Times on the Properties of 40Cr

2010 ◽  
Vol 154-155 ◽  
pp. 1170-1177
Author(s):  
Yuan Fang Chen ◽  
Xiao Dong Peng ◽  
Jian Jun Hu ◽  
Hong Bin Xu ◽  
Chan Hao
Keyword(s):  
Surface Roughness ◽  
Wear Resistance ◽  
Corrosion Resistance ◽  
Electron Beam ◽  
High Current ◽  
Wear Properties ◽  
X Ray ◽  
Pulsed Electron Beam ◽  
Surface Microstructures ◽  
40Cr Steel

Surface modification of 40Cr steel by high current pulsed electron beam has been investigated . The pulsed times of HCPEB was changed from 1 to 25 to prepare different specimens. Surface microstructures and section microstructures after HCPEB irradiation were detected by using metallurgical microscope, SEM and X-ray diffractometer. It is shown that crater defects were found on the surface after the irradiation of HCPEB and the density of craters will decrease with increasing pulses times. When treated by 27Kev accelerating voltage, with increasing pulse times, the particles located in surface layer were obviously refined .The surface roughness, hardness, wear properties and corrosion resistance were analyzed after irradiation of HCPEB. The wear resistance and corrosion resistance were obviously enhanced after 10 pulses treatment.

scholarly journals Corrosion Resistance of AZ91 Mg Alloy Modified by High-Current Pulsed Electron Beam

2018 ◽  
Vol 32 (2) ◽  
pp. 218-226 ◽  
Author(s):  
Peng-Peng Wu ◽  
Kun-Kun Deng ◽  
Kai-Bo Nie ◽  
Zhong-Zhong Zhang
Keyword(s):  
Corrosion Resistance ◽  
Electron Beam ◽  
Mg Alloy ◽  
High Current ◽  
Pulsed Electron Beam

Microstructures and corrosion resistance of Zircaloy-4 after surface alloying with copper by high-current pulsed electron beam

2020 ◽  
Vol 501 ◽  
pp. 144222
Author(s):  
Shen Yang ◽  
Zuoxing Guo ◽  
Liang Zhao ◽  
Qingfeng Guan ◽  
Lei Zhao ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Electron Beam ◽  
High Current ◽  
Surface Alloying ◽  
Pulsed Electron Beam
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