The relationship between microstructures and refining performances of Al-Ti-C master alloys

被引：56

作者：

Xiangfa, Liu ^{[1
]}

Zhenqing, Wang ^{[1
]}

Zuogui, Zhang ^{[1
]}

Xiufang, Bian ^{[1
]}

机构：

[1] Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China

来源：

Materials Science and Engineering: A | 2002年 / 332卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

Melting - Microstructure - Morphology - Particle size analysis - Surface properties - Titanium carbide;

D O I：

10.1016/S0921-5093(01)01751-8

中图分类号：

学科分类号：

摘要：

The influence of producing parameters on the microstructures of Al-Ti-C master alloy has been investigated, it is found that the size, surface characteristic and distribution of TiC particles, as well as the morphology and size of TiAl3 compounds, are related to the melting temperature and holding time. The relationship between the microstructures and refining performances has also been revealed, and it shows that the grain refining efficiency of Al-Ti-C master alloys largely depends on the surface characteristic, size and distribution of carbides; the TiAl3 morphologies don't appear to have an essential effect on the refining efficiency of Al-Ti-C master alloys. The Al-Ti-C master alloy, which was manufactured at 1210 °C and 3 min holding time, has an intense grain refining action just similar to Al-Ti-B master alloys, so Al-Ti-C master alloys will substitute Al-Ti-B master alloys in many situations. © 2002 Elsevier Science B.V. All rights reserved.

引用

页码：70 / 74