A fast and efficient Al-5Ti-1B grain refiner prepared by gas-assisted continuous casting and extrusion process

被引：0

作者：

Wang, Yaqiang ^{[1
]}

Yin, Jiancheng ^{[1
]}

Li, Yuzhang ^{[2
]}

Liang, Zhi ^{[2
]}

Sun, Shuhong ^{[1
]}

Liu, Yingli ^{[3
]}

Zhong, Yi ^{[1
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Mat Sci & Engn, Kunming 650093, Yunnan, Peoples R China

[2] Kunming Met Res Inst Co Ltd, Kunming 650031, Yunnan, Peoples R China

[3] Kunming Univ Sci & Technol, Fac Informat Engn & Automat, Kunming 650500, Yunnan, Peoples R China

来源：

MATERIALS LETTERS | 2024年 / 377卷

基金：

中国国家自然科学基金;

关键词：

Metals and alloys; Continuous casting and extrusion; Grain refining; Microstructure; ALUMINUM; BORON;

D O I：

10.1016/j.matlet.2024.137448

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The feasibility of preparing Al-Ti-B alloy wires based on a novel technology of gas-assisted continuous casting and extrusion (GAC) was investigated. Results show that Al-5Ti-1B alloy wire with fine and uniform distribution of the second phase can be prepared by combining the fluoride salt method and the GAC process. When the wire was added into an industrial pure aluminum at 730 degrees C with an addition of 0.2 wt%, the pure aluminum grains could be refined into equiaxed crystals with an average size of about 140 mu m by contacting time of 60 s, which showed the characteristics of rapidity and high efficiency.

引用

页数：6

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