Influence of trace amount chromium on microstructure and corrosion behavior of A356-5vol.%TiB2 alloy

被引：10

作者：

Liu, Naizhi ^{[1
]}

Jiang, Bo ^{[1
,2
]}

Wang, Ye ^{[1
]}

Ji, Zesheng ^{[1
,2
]}

Hu, Maoliang ^{[1
,2
]}

Xu, Hongyu ^{[1
]}

机构：

[1] Harbin Univ Sci & Technol, Sch Mat Sci & Chem Engn, Harbin 150080, Peoples R China

[2] Harbin Univ Sci & Technol, Key Lab Adv Mfg & Intelligent Technol, Minist Educ, Harbin 150040, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 314卷

基金：

中国国家自然科学基金;

关键词：

A356-5vol.%TiB2 alloy; Corrosion behavior; Metals and alloys; Solidification; Microstructure; AL; STRENGTH;

D O I：

10.1016/j.matlet.2022.131798

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of trace amounts of chromium on the microstructure and corrosion behavior of A356-5vol.%TiB2 composites was investigated. The results show that a small amount of Cr, Al and Si elements form Al13Cr4Si4 phase in A356-5vol.%TiB2 composite material. Al13Cr4Si4 has an obvious refinement effect relative to the size of alpha-Al grains and eutectic Si. Improve the continuity and uniformity of the passivation film on the surface of the composite material. The corrosion resistance of the composite material is significantly improved.

引用

页数：5

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