Ti、B对ZA27合金组织及力学性能的影响

郭亚希; 谢敬佩; 闫淑卿; 王文焱; 王爱琴; 李继文; 侯锦岭; 李洛利

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Ti、B对ZA27合金组织及力学性能的影响
Effects of Ti-B on microstructure and mechanical properties of ZA27 alloy
2008年第S1期页码：269-270
纸质出版日期： 2008 ，
DOI：

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郭亚希, 谢敬佩, 闫淑卿, 等. Ti、B对ZA27合金组织及力学性能的影响[J]. 特种铸造及有色合金杂志, 2008,(S1):269-270.

GUO ya-xi, XIE Jing-pei, YAN shu-qing, et al. Effects of Ti-B on microstructure and mechanical properties of ZA27 alloy[J]. Special Casting & Nonferrous Alloys, 2008,(S1):269-270.
郭亚希, 谢敬佩, 闫淑卿, 等. Ti、B对ZA27合金组织及力学性能的影响[J]. 特种铸造及有色合金杂志, 2008,(S1):269-270. DOI：

GUO ya-xi, XIE Jing-pei, YAN shu-qing, et al. Effects of Ti-B on microstructure and mechanical properties of ZA27 alloy[J]. Special Casting & Nonferrous Alloys, 2008,(S1):269-270. DOI：

摘要

采用铝钛中间合金和硼盐对ZA27合金进行变质处理

合金的初生相由通常条件下的粗大枝晶变为均匀分布的细小粒状晶体;铸造缺陷也明显减少

在硬度基本保持不变的情况下

合金的塑性明显提高

伸长率由4.0%增加到9.2%。

Abstract

It is discussed in this paper that the ZA27 alloy is modified by Al-Ti alloy together with B salt. the initial phase of ZA27 alloy turns from rough grains into uniformly distributed fine ones; the casting defects were obviously reduced. the modification makes ZA27 alloy plastically increase greatly

the percentage elongation improved from 4.0% to 9.2%

the hardness unchanged basically.