Mechanism of corrosion resistance for C+W dual implanted steel

ZHANG Tonghe  WU Yuguang  LIU Andong  ZHANG Xu  WANG Xiaoyan

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Mechanism of corrosion resistance for C+W dual implanted steel

更新时间：2021-03-12

- Mechanism of corrosion resistance for C+W dual implanted steel
- NUCLEAR TECHNIQUES Issue 8, (2003)
- 作者机构：
  
  1. 北京师范大学射线束技术与材料改性教育部重点实验室
  2. 北京师范大学低能核物理研究所
  3. 北京辐射中心,北京,100875
- 作者简介：
- 基金信息：
  
  国家自然科学基金(59671051);国家863计划(2001AA38020)资助
- DOI：
  CLC： TG174.44
- Published：01 August 2003
- 稿件说明：
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[1]张通和,吴瑜光,刘安东,张旭,王晓妍.C和W双注入H13钢的抗腐蚀机制研究[J].核技术,2003(08):582-584.

ZHANG Tonghe WU Yuguang LIU Andong ZHANG Xu WANG Xiaoyan. Mechanism of corrosion resistance for C+W dual implanted steel[J]. Nuclear techniques, 2003, (8): 582-584.
[1]张通和,吴瑜光,刘安东,张旭,王晓妍.C和W双注入H13钢的抗腐蚀机制研究[J].核技术,2003(08):582-584. DOI：

ZHANG Tonghe WU Yuguang LIU Andong ZHANG Xu WANG Xiaoyan. Mechanism of corrosion resistance for C+W dual implanted steel[J]. Nuclear techniques, 2003, (8): 582-584. DOI：

摘要

用多次扫描电位法研究了C和W双注入H13钢的抗腐蚀特性

用扫描电子显微镜（SEM）对改性机理进行了分析

还讨论了抗腐蚀增强机理。实验结果表明

经过30周期腐蚀后

H13钢表面出现了严重的腐蚀现象

表面上的腐蚀坑形状和排列具有晶态特征。C和W双注入H13钢经过50周期腐蚀后

发现表面仅出现了很轻微的腐蚀现象。当注量较低时

表面出现了小而浅的腐蚀坑

腐蚀坑的形状和排列没有出现晶态特征

说明抗腐蚀钝化层为非晶态结构

这种结构具有良好的抗腐蚀特性;当注量较大时

经过长达88周期腐蚀后

表面仍未出现腐蚀坑

说明抗腐蚀特性得到了进一步的提高。

Abstract

The properties of corrosion resistance for C and W dual-implanted H13 steel were studied using multi-sweep cyclic voltammetry. The corrosion morphologies were investigated by scanning electron microscopy (SEM). The results show that after corrosion for 30 voltage scanning-loops

serious corrosion morphology appears on the surface of H13 steel: dense corrosion pits are distributed on the surface. Both shape and distribution morphology of these pits indicate the crystal proper-ties: some pits are triangle or rectangle

and the pits are located along grain boundaries. But after corrosion of the W and C dual implantated steel samples

surface corrosion pits are shallow and small. Shallow corrosion pits are dislocated random

their shape and distribution are not provided with crystal properties. When the fluence is increased and after corrosion for 88 voltage scanning-loops

the surface corrosion pits are still shallow and small

showing the corrosion resistance to be enhanced further. Finally the mechanism of corrosion resistance was discussed.

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