A positron lifetime study on dezincifieation of four kinds of Cu-Zn alloys

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A positron lifetime study on dezincifieation of four kinds of Cu-Zn alloys

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- A positron lifetime study on dezincifieation of four kinds of Cu-Zn alloys
- NUCLEAR TECHNIQUES Issue 10, (1994)
- 作者机构：
  
  1. 武汉大学
  2. 武汉工学院
  3. 武汉大学武汉工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG146.1
- Published：01 October 1994
- 稿件说明：
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[1]汪的华,邱万川,邹津耘,张明友.不同相结构Cu－Zn合金脱锌腐蚀的正电子寿命研究[J].核技术,1994(10):620-623.

A positron lifetime study on dezincifieation of four kinds of Cu-Zn alloys[J]. Nuclear techniques, 1994, (10).
[1]汪的华,邱万川,邹津耘,张明友.不同相结构Cu－Zn合金脱锌腐蚀的正电子寿命研究[J].核技术,1994(10):620-623. DOI：

A positron lifetime study on dezincifieation of four kinds of Cu-Zn alloys[J]. Nuclear techniques, 1994, (10). DOI：

摘要

测量了α、β、γ、ε四种单相Ｃｕ－Ｚｎ合金脱锌腐蚀前后的正电子寿命谱．发现脱锌腐蚀速率与材料腐蚀过程中产生的非平衡空位的体积百分比有正变关系．进而时Ｃｕ－Ｚｎ合金脱锌腐蚀的微观机理进行了讨论。

Abstract

Positron lifetime spectra in samples of α-

β-

γ-and ε- phase Cu-Zn alloys before and after corrosion in 1% CuCl2 aqueous solution

have been measured and analysed.It is found that dezincification rate is increased with the rate of producing excess vacancies. The mechanism of volume diffusion of dezincification for Cu-Zn alloys

has been discussed.

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