CASTING Al GRAIN REFINING AGENT USING Al GRAIN AND Ti GRAIN AND CASTING PRODUCTION METHOD USING THE REFINING AGENT

摘要

PROBLEM TO BE SOLVED: To provide a grain refining agent for casting Al or casting Al alloy having large grain refining effect with a simple structure at low cost, and a casting production method using the refining agent.SOLUTION: Provided is the grain refining agent for Al or Al alloy which can be acquired by sintering Al powders or Al alloy powders and Ti powders. In a method for producing Al casting or Al alloy casting, the grain refining agent for Al or Al alloy is put into Al or Al alloy which is melting, and after agitation, casting is performed.