Effect of Strontium on Microstructure and Mechanical Properties of Semi-Solid A356 Al Alloy-Reference-Cited by-同舟云学术

Effect of Strontium on Microstructure and Mechanical Properties of Semi-Solid A356 Al Alloy

Published:2014-02 Issue: Volume:893 Page:353-356
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Sangchan Atchara¹,Plookphol Thawatchai¹,Wannasin Jessada¹,Wisutmethangoon Sirikul¹

Affiliation:

1. Prince of Songkla University

Abstract

Effect of strontium (Sr) addition on the microstructure and the mechanical properties of semi-solid A356 aluminum alloy produced by GISS process were investigated in this study. Strontium addition resulted in both grain refinement and modification of eutectic Si. The maximum average ultimate tensile strength and elongation of 291.06 MPa and 17.31%, respectively, were obtained from the T6 heat-treated specimen containing 0.08wt%Sr. The excessive addition of strontium (0.2wt%Sr), however, seemed to deteriorate the mechanical properties of the alloy as a result of the Al2Si2Sr particle formation.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.893.353.pdf

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