Properties of corrosion resistance in C+W+C multi-implanted steel

ZHANG Tonghe  MA Furong  WU Yuguang  WANG Xiaoyan  LIANG Hong

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Properties of corrosion resistance in C+W+C multi-implanted steel

更新时间：2021-03-12

- Properties of corrosion resistance in C+W+C multi-implanted steel
- NUCLEAR TECHNIQUES Issue 3, (2001)
- 作者机构：
  
  北京师范大学低能核物理研究所!国家教委射线束与材料工程实验室北京,100875
- 作者简介：
- 基金信息：
  
  国家自然科学基金! (5 96 710 5 1);国家 86 3计划资助! (86 3- 715 - 0 2 3- 0 2 - 1)
- DOI：
  CLC： TG174.444
- Published：01 March 2001
- 稿件说明：
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[1]张通和,马芙蓉,吴瑜光,王晓妍,梁宏.C+W+C离子注入H13钢复合钝化层的抗腐蚀特性[J].核技术,2001(03):161-165.

ZHANG Tonghe MA Furong WU Yuguang WANG Xiaoyan LIANG Hong. Properties of corrosion resistance in C+W+C multi-implanted steel[J]. Nuclear techniques, 2001, (3): 161-165.
[1]张通和,马芙蓉,吴瑜光,王晓妍,梁宏.C+W+C离子注入H13钢复合钝化层的抗腐蚀特性[J].核技术,2001(03):161-165. DOI：

ZHANG Tonghe MA Furong WU Yuguang WANG Xiaoyan LIANG Hong. Properties of corrosion resistance in C+W+C multi-implanted steel[J]. Nuclear techniques, 2001, (3): 161-165. DOI：

摘要

用多次扫描电位法研究了C +W +C离子注入H13钢的结构和相变及其对抗腐蚀特性的影响

研究了抗腐蚀相生成的条件以及这些相对抗腐蚀特性的作用

并对其改性机理进行了讨论。实验结果表明

W离子和C离子多重离子注入H13钢可在注入层中形成超饱和浓度的W和C原子分布

分布形状为类高斯分布 ;并可在注入层中形成钨的碳化物WC和W2 C相、合金相Fe2 W和Fe6 W6 C等

这些弥散相不但可以使注入层强化

而且也可使表面钝化

从而增强了表面抗腐蚀特性 ;W和C双重离子注入具有W和C单离子注入的特性

可进一步提高H13钢的抗腐蚀特性

随着W重离子和C重离子注入剂量的增加

抗腐蚀特性进一步增强。样品C3W 3C3的Jp 经 50个周期腐蚀后

其值比H13钢的Jp 下降了 6 0 %

而C3W 3的Jp 比H13钢的Jp 下降了4 7%。C3W 3C3的Jp 比C3W 3的Jp 小 34%。扫描电子显微镜观察表明

腐蚀后抗腐蚀的钝化层依然存在。

Abstract

The influence of conditions of C3W3C3-implanted H13 steel on corrosion resistance was studied using multi-sweep cyclic voltammetry. The structure and formation conditions of phases in corrosion resistance and effects on corrosion resistance were researched. A super-saturated solid solution of W and C atoms was formed in C3W3C3-implanted steel; the phases of Fe 2W

WC and FeW 3C were obtained in the implanted surface of steel. A passivation layer was formed. Because the multi-implantation possessed both advantage of W and C single implantation in corrosion resistance

so that the implantation is better than single and dual-implantation. The corrosion resistance of the multi-implantation was enhanced following increase of ion dose. After corrosion for 50 voltage sweeps

the J p of C3W3C3 and C3W3 decreased 60% and 47% comparing to H13 steel respectively. The J p of C3W3C3 decreased 34% comparing to C3W3. It is found from SEM observation that after corrosion the passivation layer still existed.

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Related Institution

Analysis and Testing Center, Beijing Normal University, Beijing 100875)ZHANG Tonghe

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