Evaluating structural integrity of cast Al-7%Si-Mg alloys via work hardening characteristics II. A new quality index
Research output: Contribution to journal › Article
Authors
Colleges, School and Institutes
Abstract
Toughness, as defined by the energy to failure constituted by the area under the true stress-strain curve, of Al-7 wt.%Si-Mg alloys with three different Mg contents (0.20, 0.40, and 0.60 wt.%) was analyzed. Since toughness is markedly affected by the presence of structural discontinuities, a new quality index based on toughness is proposed. The index, Q(E), can be found by comparing the toughness of the specimen with its threshold toughness, based on the concept of target properties. Threshold toughness is proposed as a target value. The new quality index can be applied to all specimens regardless of their processing history and chemical composition. (C) 2003 Elsevier B.V. All rights reserved.
Details
Original language | English |
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Pages (from-to) | 231-238 |
Number of pages | 8 |
Journal | Materials Science and Engineering A |
Volume | A368 |
Publication status | Published - 15 Mar 2004 |
Keywords
- aluminum-silicon alloys, casting, structural discontinuities, strain hardening, SEM