TEM analysis of the microstructure of N<sup>+</sup> implanted high speed steel

Zuqing Jin; Guangjun Cai; Yuanru Chen; Beam Laboratory Ion

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TEM analysis of the microstructure of N⁺ implanted high speed steel

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- TEM analysis of the microstructure of N⁺ implanted high speed steel
- Nuclear Techniques Vol. 11, Issue 3, (1988)
- 作者机构：
  
  1.西南交通大学
  2.中国科学院上海冶金研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1988-03
- 稿件说明：
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Zuqing Jin, Guangjun Cai, Yuanru Chen, et al. TEM analysis of the microstructure of N⁺ implanted high speed steel[J]. Nuclear techniques, 1988, 11(3): 44-47,63.
DOI：

Zuqing Jin, Guangjun Cai, Yuanru Chen, et al. TEM analysis of the microstructure of N⁺ implanted high speed steel[J]. Nuclear techniques, 1988, 11(3): 44-47,63. DOI：

摘要

本文对N离子注入W18Cr4V高速钢前后的表面层精细组织结构用透射电镜进行了比较分析。N离子注入能量为100keV，注入剂量为1.7×10

/cm

和2×10

/cm

。电镜分析发现，经注N

的高速钢表面层组织形貌发生了显著变化，

-Fe基体中产生了很多辐照损伤区域，孪晶结构消失，

-Fe出现多晶化的倾向，位错密度明显降低，而且残余碳化物破碎呈现龟裂状形貌。文章对上述变化的机理作了初步分析。

Abstract

The microstructure of surface layer of implanted W18Cr4V high speed steel was analysed with TEM. The high speed steel was tempered and implanted with 100keV N

ions (1.7—2.0×10

/cm

). The result revealed that

compared with that of unimplanted samples

the microstructure of implanted layer was changed greatly. After implantation

a lot of radiation damaged zones were produced in

-Fe. The twin structure disappeared and dislocation density decreased dramatically

-Fe was transformed to polycrystalline. The residual carbides in the steel were cracked into polycrystals. The mechanism of these changes has been discussed.

关键词

Keywords

references

R. E. 斯莫尔曼，现代物理冶金学，冶金工业出版社， 1980 年。

B. L. Eyre and C. A. Metals , Proceedings of Yamada conference V, on point defects and defect interactions in metals, Kyoto, 1981 , Yamada Science Foundation , 1982 , p. 799 .

C. Erginsoy et al . , Phys. ReV. , 133 ( 1964 ), 2A : 195 .

S. Fayeulle and D. Treheux , Nucl. Instr. Meth. Phys. Res. , B7/8 ( 1985 ), 171 .

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TEM analysis of the microstructure of N+ implanted high speed steel

DOI：

摘要

Abstract

关键词

Keywords

references

TEM analysis of the microstructure of N⁺ implanted high speed steel