利用扫描电镜和原子力显微镜等方法研究了在偏酸性环境条件下,表面形貌对1Cr11Ni2W2MoV不锈钢耐腐蚀性能的影响.结果表明:1000#砂纸抛光试样的耐腐蚀性能最好,机械磨削试样次之,800#砂纸抛光试样的最差;试样的耐腐蚀性能并不是随着表面粗糙度的降低而增强;这主要是由于1000#砂纸抛光试样具有较高的亚稳态和稳定孔蚀电位,而800#砂纸抛光试样比磨削试样更容易在表面形成腐蚀微电池所引起的.
所属栏目
试验研究航空科学基金资助项目(03B52011);国家自然科学基金资助项目(50275073)
收稿日期
2007/9/62007/12/25
作者单位
孟波:北京石油化工学院机械工程学院, 北京 102617
郭万林:南京航空航天大学纳米科学研究所, 江苏 南京 210016
姜燕:南京航空航天大学纳米科学研究所, 江苏 南京 210016
备注
孟波(1976-),男,山东聊城人,讲师,博士.
引用该论文:
MENG Bo,GUO Wan-lin,JIANG Yan.Effect of Surface Morphology on Corrosion Resistance of 1Cr11Ni2W2MoV Stainless Steel[J].Materials for mechancial engineering,2008,32(8):8～11
孟波,郭万林,姜燕.表面形貌对1Cr11Ni2W2MoV不锈钢耐腐蚀性能的影响[J].机械工程材料,2008,32(8):8～11
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