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. 20    No. 9    September 2010

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Commercial AM60 alloy for semisolid processing:
Alloy optimization and thermodynamic analysis
LI Yuan-dong(李元东)1, 2, D. APELIAN3, XING Bo(邢 博)1, MA Ying(马 颖)1, 2, HAO Yuan(郝 远)1

1. Key Laboratory of Gansu Advanced Nonferrous Metal Materials,
Lanzhou University of Technology, Lanzhou 730050, China;
2. Key Laboratory of Nonferrous Metal Alloys and Processing, Ministry of Education,
Lanzhou University of Technology, Lanzhou 730050, China;
3. Advanced Casting Research Center (ACRC), Metal Processing Institute (MPI), WPI,
Worcester, MA 01609, USA

Abstract:Semisolid processing is now a commercially successful manufacturing route to produce net-shape parts in automotive industry. The conspicuous results of alloy optimization with thermodynamic simulations for semisolid processing of commercial AM60 alloy were present. The results indicate that the available processing temperature range of AM60 alloy is 170 °C. The temperature sensitivity of solid fraction decreases with increasing solid fraction or with decreasing temperature above eutectic reaction temperature of AM60 alloy. When the solid fraction φs is 0.4, corresponding processing temperature is 603.8 °C and the sensitivity −dφs/dT is 0.0184. The effects of various alloying elements on the solidification behavior and SSM processability of AM60 alloy were calculated with Pandat software.

 

Key words: AM60 alloy; semisolid processing; alloy optimization; thermodynamic analysis; solid fraction

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

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

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