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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.10
- 수록면
- 39 - 44 (6page)
이용수
초록· 키워드
오류제보하기
The application of aluminium tailor-welded blanks (TWB) is progressively increasing in automotive industries due to its high strength to weight ratio, superior corrosion resistance and crashworthiness. The weldments produced by Friction stir welding (FSW) retains high strength and formability as the process yields the sound joints at relatively lower temperatures in comparison to that of the conventional fusion welding processes. However, the FSW of aluminium alloy of different thicknesses in butt configuration is rarely studied. The primary objective of the present work is to investigate the feasibility of FSW process in joining of 1.5 to 2.5 mm thick AA5052 alloy tailored blank by tilting the workpiece with respect to machine bed. The effects of workpiece tilting angle with welding and rotational speeds on mechanical and metallurgical properties of the joints are studied. Minimum effective sheet thickness is found to be around 1.34 mm for tool rotational speed of 400 rpm and tilting angle of 0°. The highest joint strength around 212.6 MPa (95% of base metal strength) is achieved at a workpiece tilt angle of 1° for rotational and travel speed of 400 rpm and 1 mm/s, respectively. The maximum measured hardness is 60 Hv at tool roational speed of 400 rpm with tilting angle of 1°.
목차
Abstract
1. Introduction
2. Experimental Details
3. Results and Discussion
4. Conclusions
References
참고문헌 (18)
참고문헌 신청
A.A Goldenberg / 1985 / A preview approach to force control of robot manipulators / Mechanism and Machine Theory 20(5):449~464
Amir Abbas Zadpoor / 2010 / Global and Local Mechanical Properties and Microstructure of Friction Stir Welds with Dissimilar Materials and/or Thicknesses / Metallurgical and Materials Transactions A 41(13):3365~3378
A. A. Zadpoor / 2008 / The effects of friction stir welding on the mechanical properties and microstructure of 7000 series aluminium tailor-welded blanks / International Journal of Material Forming 1(S1):1311~1314
S. Sheikhi / 2013 / Effect of process parameter on mechanical properties of friction stir welded tailored blanks from aluminium alloy 6181-T4 / Science and Technology of Welding and Joining 12(4):370~375
R. W. Davies / 1999 / Characterizing Al tailor-welded blanks for automotive applications / Jom-J. Min. Met. Mat. S 51(11):46~50
Amir Abbas Zadpoor / 2010 / Global and Local Mechanical Properties and Microstructure of Friction Stir Welds with Dissimilar Materials and/or Thicknesses / Metallurgical and Materials Transactions A 41(13):3365~3378
A. A. Zadpoor / 2008 / The effects of friction stir welding on the mechanical properties and microstructure of 7000 series aluminium tailor-welded blanks / International Journal of Material Forming 1(S1):1311~1314
S. Sheikhi / 2013 / Effect of process parameter on mechanical properties of friction stir welded tailored blanks from aluminium alloy 6181-T4 / Science and Technology of Welding and Joining 12(4):370~375
R. W. Davies / 1999 / Characterizing Al tailor-welded blanks for automotive applications / Jom-J. Min. Met. Mat. S 51(11):46~50
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UCI(KEPA) : I410-ECN-0101-2019-581-000041879