OALib Journal期刊
316L不锈钢强流脉冲电子束表面改性研究PartI表面选择净化及机理
, PP. 64-70
Keywords: 强流脉冲电子束 ,不锈钢 ,表面净化 ,火山坑
Abstract:
本文详细研究了强流脉冲电子束对316L不锈钢表面改性的过程和机理。结果表明，316L不锈钢中的MnS夹杂物是轰击过程中形成火山坑的核心，其自身或界面过热喷发是火山坑的成因。随着轰击次数的增加，表层中MnS夹杂物随喷发而逐渐减少，实现了材料的表面选择净化。与此同时，表面缺陷在反复轰击过程中得到修复，即火山坑的密度随轰击次数减少，形态也逐渐由心部有孔转变为心部无孔。
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