New developments of Al-Zn cast alloys

被引：29

作者：

Krajewski, W. K. ^{[1
]}

Buras, J. ^{[1
]}

Krajewski, P. K. ^{[1
]}

Greer, A. L. ^{[2
]}

Faerber, K. ^{[3
]}

Schumacher, P. ^{[3
]}

机构：

[1] AGH Univ Sci & Technol, Fac Foundry Engn, 23 Reymonta St, PL-30059 Krakow, Poland

[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB3 0FS, England

[3] Univ Leoben, Dept Met, A-8071 Leoben, Austria

来源：

MATERIALS TODAY-PROCEEDINGS | 2015年 / 2卷 / 10期

关键词：

Al-Zn alloys; Castings; Inoculation; Grain refinement; Ductility; Strength; Damping properties; ALUMINUM-ZINC; ZNAL25; ALLOY; TI;

D O I：

10.1016/j.matpr.2015.10.078

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Structural modification of high-zinc aluminium alloys influences their strength and damping properties. In a series of studies, Al - 20 wt. % Zn alloy (Al-20Zn) has been doped with Ti introduced with ZnTi-based master alloy. The alloy structure and mechanical properties have been studied using: SEM (scanning electron microscopy), LM (light microscopy), strength and damping measurements. Grain refinement leads to significant improvement in ductility of the Al-20Zn alloy while preserving good tensile strength. The attenuation coefficient for 1 MHz ultrasound decreases by about 24%; the refined alloys are, however, still clearly classified as high-damping. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：4978 / 4983

页数：6

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