Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 7    No. 1    March 1997

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THERMAL RATE TREATMENT AND ITS EFFECT ON MODIFICATION OF Al-Si ALLOYS
Geng Haoran; Ma Jiaji; Bian Xoufang

College of Materials Science and Engineering; Shandong University of Technology; Ji′nan 250014

Abstract:A new melting technique-Thermal Rate Treatment (TRT) has been studied in connection with Al Si based alloys. TRT technique obviously improves the impact toughness of the alloys, refines the primary Si phase and increases the amount of the α phase. TRT process greatly affects the result of modification process. The compound treatment of TRT+modification could increase the modification effects of Na or P element. According to the state and its change of Al Si alloy melt, the test results were discussed.

 

Key words: Al Si alloys thermal rate treatment modification alloy melt

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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