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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.4
- 수록면
- 35 - 40 (6page)
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초록· 키워드
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In this study, analysis was performed on the microstructural change in the friction stir welding (FSW) region of AA5052-H32 thin sheets. The micro texture and microstructure in the stir zone (SZ) and base metal were characterized using the electron back-scattered diffraction (EBSD) technique and transmission electron microscopy (TEM) observation. The grain size and misorientation angle distribution were also investigated. The hardness profile of the FSW region with the microstructure in each area was discussed. The grains in the stir zone were more refined than those of the base metal. The base metal has {001}< 100> textures, while the stir zone takes a {112}<110> textures attributed to the severe shear deformation during FSW. The TEM observation results suggest that recrystallization during the friction stir welding process diminishes the density of dislocation in the SZ. It is also considered that the drop of hardness in the SZ is caused by the decrease of dislocation density, even though the grains were refined.
목차
Abstract
1. Introduction
2. Experimental procedures
3. Results and discussion
4. Conclusions
References
참고문헌 (12)
참고문헌 신청
김남규 / 2009 / The Effect of Material Arrangement on Mechanical Properties in Friction Stir Welded Dissimilar A5052/A5J32 Aluminum Alloys / Metals and Materials International 15(4):671~675
R. Narayanasamy / 2009 / A crystallographic texture perspective formability investigation of aluminium 5052 alloy sheets at various annealing temperatures / Materials & Design 30(5):1804~1817
Zhaohua Zhang / 2011 / Effect of welding parameters on microstructure and mechanical properties of friction stir spot welded 5052 aluminum alloy / Materials & Design 32(8-9):4461~4470
V. Fahimpour / 2012 / Corrosion behavior of aluminum 6061 alloy joined by friction stir welding and gas tungsten arc welding methods / Materials & Design 39:329~333
I.J. Polmear / 2005 / Light alloys: From Traditional Alloys to Nanocrystals / Butterworth-Heinemann :30
R. Narayanasamy / 2009 / A crystallographic texture perspective formability investigation of aluminium 5052 alloy sheets at various annealing temperatures / Materials & Design 30(5):1804~1817
Zhaohua Zhang / 2011 / Effect of welding parameters on microstructure and mechanical properties of friction stir spot welded 5052 aluminum alloy / Materials & Design 32(8-9):4461~4470
V. Fahimpour / 2012 / Corrosion behavior of aluminum 6061 alloy joined by friction stir welding and gas tungsten arc welding methods / Materials & Design 39:329~333
I.J. Polmear / 2005 / Light alloys: From Traditional Alloys to Nanocrystals / Butterworth-Heinemann :30
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UCI(KEPA) : I410-ECN-0101-2019-581-000674974