Microhardness characteristics of Al-6063 alloy processed by Equal Channel Angular Extrusion

被引：1

作者：

Nemati, J. ^{[1
]}

Sulaiman, S. ^{[1
]}

Baharudin, B. T. H. T. ^{[1
]}

Hanim, M. A. Azmah ^{[1
]}

Majzoobi, G. H. ^{[2
]}

机构：

[1] Univ Putra Malaysia, Fac Engn, Dept Mech & Mfg Engn, Upm Serdang 43400, Darul Ehsan, Malaysia

[2] Bu Ali Sina Univ, Dept Mech Engn, Fac Engn, Hamadan, Iran

来源：

ADVANCES IN MECHANICAL AND MANUFACTURING ENGINEERING | 2014年 / 564卷

关键词：

Equal Channel Angular Extrusion; AL-6063; grain size; Vickers Microhardness; MECHANICAL-PROPERTIES; MICROSTRUCTURE; ECAE;

D O I：

10.4028/www.scientific.net/AMM.564.513

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, annealed AL-6063 alloy was processed by the Equal Channel Angular Extrusion (ECAE) up to 6 passes at a temperature of 200 degrees c following route A with a constant ram speed of 30 mm/min through a die angle of 90 degrees between the die channels. The influence of ECAE processing on the evolution of microhardness in the material was studied using Vickers microhardness testing. The detailed analysis was carried out on the samples of as-received, one, two, three, four, five, and six pass conditions. The grain diameter reduced from 45 mu m to 2.8 mu m after 6 passes of ECAE. The results indicated around 90% increase in Microhardness after 5 passes. Hardness of the inner surface where the billet was under compression was slightly higher than that of the mid-surface.

引用

页码：513 / +

页数：2

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