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Damage Behavior of Electron/Helium Dual-Beam Irradiation on Fe-Cr-Mn (W, V) Alloy

机译:电子/氦双光束辐射对Fe-Cr-Mn(W,V)合金的损伤行为

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The effect of helium on irradiation damage behavior in Fe-Cr-Mn(W,V) steel was investigated by electron/helium ion dual-beam irradiation. The results indicate that helium can promote the increase of dislocation density and enhance the void nucleation and void swelling of Fe-Cr-Mn(W, V) alloy. The segregation of solute elements near grain boundary was suppressed by existence of helium. Also the interface of carbide-matrix migration and the change of solute concentration near the interface were observed during dual-beam irradiation
机译:通过电子/氦离子双光束辐射研究了氦对Fe-Cr-Mn(W,V)钢中的照射损伤行为的影响。 结果表明,氦可以促进位错密度的增加,增强Fe-Cr-Mn(W,V)合金的空隙成核和空隙溶胀。 通过氦的存在抑制了晶界附近的溶质元素的偏析。 在双束照射期间,观察到碳化物 - 基质迁移的界面和界面附近的溶质浓度的变化

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