The Structure and Mechanical Properties of Al-7%SiMg Alloy Treated with a Homogeneous Modifier

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Results of studies on the modification of Al-7%SiMg alloy with a homogeneous modifier obtained by fast cooling of homogeneous modifiers at V=200 K/s are presented in the paper. Homogeneous modifiers are additions designed for modification of the alloys from which they were obtained at 0, 7, 12 and 20% Si. The components were put into a crucible containing liquid Al-Si alloy and kept there for one minute. The effects of cooling rate and w/w concentration of the modifier in the melt on structure and tensile strength, percentage elongation, Brinell hardness, abrasive wear are illustrated graphically. The analysis of the process of hypo-eutectic Al-Si alloy modification with a homogeneous modifier obtained from treated alloy by fast cooling shows that this modifying addition affected structural,physical and mechanical properties of Al-7%SiMg alloy.

Info:

Periodical:

Solid State Phenomena (Volume 163)

Edited by:

Danuta Stróż & Małgorzata Karolus

Pages:

183-186

DOI:

10.4028/www.scientific.net/SSP.163.183

Citation:

T. Lipiński "The Structure and Mechanical Properties of Al-7%SiMg Alloy Treated with a Homogeneous Modifier", Solid State Phenomena, Vol. 163, pp. 183-186, 2010

Online since:

June 2010

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$35.00

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