Effect of Heat Treatment on Thixoformed AM60B Alloy

Abstract:

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The microstructures and kinetic characteristics have been studied during heat treatment of AM60B alloy prepared by thixoforming. The results indicate that primary particles and secondary grains coarsened rapidly in initial 1 h solution treated at 430°C, and then slowed down. Their growth modes were different in the initial 1 h and then turned to be same. Accordingly, the alloy hardness dropped quickly before 1 h. Ageing hardness depends on both content of precipitates and the morphology. Adding content of the precipitates hardened the alloy till 8 h aged at 215°C after 24 h solution treatment at 430°C, and then the precipitates coarsening weakened the ally.

Info:

Periodical:

Advanced Materials Research (Volumes 306-307)

Edited by:

Shiquan Liu and Min Zuo

Pages:

500-504

DOI:

10.4028/www.scientific.net/AMR.306-307.500

Citation:

H. J. Huang et al., "Effect of Heat Treatment on Thixoformed AM60B Alloy", Advanced Materials Research, Vols. 306-307, pp. 500-504, 2011

Online since:

August 2011

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Price:

$35.00

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