Distribution of trace elements Cu, Cr and Bi in nodular cast iron by SPM analysis

Feng Songlin Zhong Ming Ren Minqin Liu NianqingYan Lingna Gao Zhiwei

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Distribution of trace elements Cu, Cr and Bi in nodular cast iron by SPM analysis

更新时间：2021-04-09

- Distribution of trace elements Cu, Cr and Bi in nodular cast iron by SPM analysis
- NUCLEAR TECHNIQUES Issue 7, (1993)
- 作者机构：
  
  1. 中国科学院高能物理研究所
  2. 北京科技大学
  3. 中国科学院上海原子核研究所,北京,100080
  4. ,上海,201800
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：01 July 1993
- 稿件说明：
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[1]冯松林,钟溟,任闽秦,刘年庆,焉伶娜,高之伟,王禹,韩其勇,朱节清,谷英梅,陆荣荣,杨长义.球铁中微量元素Cu、Cr、Bi分布的SPM分析[J].核技术,1993(07):416-419.

Feng Songlin Zhong Ming Ren Minqin Liu NianqingYan Lingna Gao Zhiwei. Distribution of trace elements Cu, Cr and Bi in nodular cast iron by SPM analysis[J]. Nuclear techniques, 1993, (7): 416-419.
[1]冯松林,钟溟,任闽秦,刘年庆,焉伶娜,高之伟,王禹,韩其勇,朱节清,谷英梅,陆荣荣,杨长义.球铁中微量元素Cu、Cr、Bi分布的SPM分析[J].核技术,1993(07):416-419. DOI：

Feng Songlin Zhong Ming Ren Minqin Liu NianqingYan Lingna Gao Zhiwei. Distribution of trace elements Cu, Cr and Bi in nodular cast iron by SPM analysis[J]. Nuclear techniques, 1993, (7): 416-419. DOI：

摘要

球铁石墨相中含有多种微量元素

微量元素中的反球化元素的含量高低和分布对石墨球化、球铁的机械和力学性能有直接影响

为了深入研究球化机制

将球铁制成10μm厚的靶片

用SPM分析了微量元素Cr、Cu、Bi在球墨中和周围的分布

给出了球铁中微量元素二维等高线分布图。实验结果表明球铁中Cr、Cu主要分布在基体中

随着反球化元素Bi含量的增加

Cu逐渐侵入石墨相

在反球化作用中Cu和Bi可能是一组相关的元素。

Abstract

Many trace elements exist in graphite of nodular cast iron. The contents and distributions of trace elements effect directly on nodularization as well as mechanic and machinery properties. The distributions of trace elements in nodular graphite have been measured using SPM. The results showed that most of Cu and Cr were distributed in matrix

and some of Cu intruded into nodular graphite as antinodu-larizing element Bi was increased.

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