Influence of compositional variations on microstructural evolution, mechanical properties and fluidity of secondary foundry alloy AlSi9Cu3

被引：5

作者：

Pucher, P. ^{[1
]}

Antrekowitsch, H. ^{[1
]}

Boettcher, H. ^{[2
]}

Kaufmann, H. ^{[3
]}

Uggowitzer, P. J. ^{[4
]}

机构：

[1] Univ Leoben, Dept Met, A-8700 Leoben, Austria

[2] AMAG Casting GmbH, A-5282 Ranshofen, Austria

[3] Austria Met AG, A-5282 Ranshofen, Austria

[4] ETH, Dept Mat, Lab Met Phys & Technol, CH-8093 Zurich, Switzerland

来源：

INTERNATIONAL JOURNAL OF CAST METALS RESEARCH | 2010年 / 23卷 / 06期

关键词：

Aluminium foundry alloy; Fluidity; Mechanical properties; Compositional variations; Thermodynamic calculations; ALUMINUM-SILICON ALLOYS; CASTING ALLOYS; IRON-INTERMETALLICS; AS-CAST; CASTABILITY; BEHAVIOR; POROSITY;

D O I：

10.1179/136404610X12682097603803

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The combined effect of the main alloying elements on the mechanical properties and fluidity of the secondary foundry alloy AlSi9Cu3 has been investigated. Systematic compositional variations within the alloy's tolerance limit illustrate the broad spectrum of attainable properties. The yield strength in the as cast condition can be adjusted from 100 to 200 MPa, while the elongation to fracture can be simultaneously varied between 0.35% and almost 4%. Additionally, variation in fluidity by more than 100% can be achieved. The microstructure-property relationship is interpreted in the light of thermodynamic calculations that reveal a significant mutual interaction of the alloying elements.

引用

页码：375 / 383

页数：9

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