Effect of temperature on silicon particle damage in A356 alloy

Quantitative data are reported on the effect of temperature on the fraction of damaged silicon particles in a chill-cast A356 alloy. It is found that the damage rate of silicon particles increases significantly with decreasing temperature and that the alloy strength and hardening rate increase with...

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Veröffentlicht in:	Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science Physical Metallurgy and Materials Science, 1998-03, Vol.29 (3), p.905-907
Hauptverfasser:	GOKHALE, A. M, DIGHE, M. D, HORSTEMEYER, M
Format:	Artikel
Sprache:	eng
Schlagworte:	ALUMINIUM ALLOYS Applied sciences CASTING Cross-disciplinary physics: materials science rheology DAMAGE Exact sciences and technology Fatigue, corrosion fatigue, embrittlement, cracking, fracture and failure Fatigue, embrittlement, and fracture MAGNESIUM ALLOYS MATERIALS SCIENCE Metals. Metallurgy MICROSTRUCTURE Physics SILICON ALLOYS TEMPERATURE DEPENDENCE Treatment of materials and its effects on microstructure and properties
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Zusammenfassung:	Quantitative data are reported on the effect of temperature on the fraction of damaged silicon particles in a chill-cast A356 alloy. It is found that the damage rate of silicon particles increases significantly with decreasing temperature and that the alloy strength and hardening rate increase with decreasing temperature. This gives rise to a stress state with higher stress triaxiality, which leads to an increase in the damage rate of silicon particles. (AIAA)
ISSN:	1073-5623 1543-1940
DOI:	10.1007/s11661-998-0281-0