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材料研究学报 1993
AN OBSERVATION ON TWINNING STRUCTURE IN LASER MELTED-SOLIDIFIED REGION OF ALUMINIUM ALLOY
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Abstract:
A lot of twins in laser melted-solidified region of aluminium alloy containingRE was investigated by means of TEM.Main reason for twin formation is that solubility of RECe in Al is increased by laser rapid melt-solidification.The twin crystal face was measured to be{111} by SAED technique.