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Evolution of the microstructure and mechanical properties of AZ61 alloy processed by half channel angular extrusion (HCAE), a novel severe plastic deformation process
- Authors
- Kim, Kyungjin; Yoon, Jonghun
- Issue Date
- Aug-2013
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Severe plastic deformation; Mg formability; AZ61; Half channel angular extrusion (HCAE)
- Citation
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v.578, pp.160 - 166
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
- Volume
- 578
- Start Page
- 160
- End Page
- 166
- ISSN
- 0921-5093
- Abstract
- A new concept of severe plastic deformation (SPD) process is introduced. The proposed process, named half channel angular extrusion (HCAE), which is the integration of equal channel angular extrusion (ECAE) and the conventional forward extrusion process in order to enhance the formability and mechanical properties of Mg alloys. This paper focuses on the performance of HCAE process with extruded AZ61 alloy at elevated temperature in grain refinement and the improvement of mechanical properties, and this performance was evaluated through an OIM experiment using EBSD. The results show that the proposed HCAE process not only improves the efficiency of the SPD process with only one pass but also increase the elongation and hardness dramatically. (C) 2013 Elsevier B.V. All rights reserved.
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Related Researcher
- Yoon, Jong hun
- ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)