A new development of Al-Ti-C grain refining master alloys
来源期刊:中国有色金属学报(英文版)2000年第3期
论文作者:张柏清 李建国 马洪涛 方鸿生
文章页码:298 - 303
Key words:Al-Ti-C; master alloy; microstructure; grain refinement
Abstract: Al-Ti-C master alloys have been prepared with a novel production method. A combination of X-ray phase analysis, SEM and EDS was used to examine the phases and microstructures of the master alloys. The master alloys have block-like Al3Ti particles and submicron size TiCXwithXranging from 0.49 to 0.78 and show excellent grain refining performance for commercially pure aluminum. Titanium carbides were observed at the crystallization centers in refined castings.