Positron annihilation lineshape study on the rare earth steel

Bisong Cao; Yunyu Wang; Tianbao Zhang; Zhongzhou Tian; Xiangrong Chang

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Positron annihilation lineshape study on the rare earth steel

更新时间：2022-08-16

- Positron annihilation lineshape study on the rare earth steel
- Nuclear Techniques Vol. 05, Issue 6, (1982)
- 作者机构：
  
  1.清华大学
  2.中国科学院高能物理研究所
  3.北京钢铁学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1982-12
- 稿件说明：
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Bisong Cao, Yunyu Wang, Tianbao Zhang, et al. Positron annihilation lineshape study on the rare earth steel[J]. Nuclear techniques, 1982, 05(6): 56-58.
DOI：

Bisong Cao, Yunyu Wang, Tianbao Zhang, et al. Positron annihilation lineshape study on the rare earth steel[J]. Nuclear techniques, 1982, 05(6): 56-58. DOI：

摘要

包头钢铁公司利用加入微量稀土试制成功抗氢脆钢40MnNbR（含Mn 1.25%， Nb 0.04%，R代表稀土）

[1]

，但抗氢脆性能的机理尚有待进一步研究。本文通过测量各种热处理的40MnNbR和16MnR（含Mn 1.25%）钢样的多普勒增宽线形参数随稀土含量的变化，研究加入稀土对钢的微观结构的影响，研究正电子在Fe和稀土之间的亲合性，以探索稀土钢的抗氢脆机理。

Abstract

The doppler broadening lineshape parameter s in 40MnNbR and 16MnR steel samples decreased while a small quantity of rare earth element was doped in it

but the s pare-meter increased slightly while the concentration of rare earth in the samples was increased farther. It seems that the defect concentration in steel can be decreased by doping a small quantity of rare earth element and a large part of defects in quenched 16MnR steel samples are filled by carbon atoms.

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Keywords

references

包头钢铁公司钢铁研究所和北京钢铁学院金属物理教研室，稀土元素在抗硫化氢、抗氢钢中的应用（待发表）.

王蕴玉和曹必松，核技术， 6 ， 59 （ 1982 ）.

J. Richerd and Les Memoires, Scientifiques de La Revue de Metallurgie , 59 , 7~8 , 527 （ 1962 ）; 59 , 9 , 597 （ 1962 ）.

K. A. Gschneider , D. Van Nostrand Compary , 1961 , P. 187 .

G. Dlubeh , Phys. Stat. Sol. （ a ） , 55 , 509 （ 1979 ）.

I. K. Machenzie , Phys. Stat. Soli. （ a ） , 12 , K87 （ 1972 ）.

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