Through-thickness distributions of the welding residual stresses were studied in the range of 50–100 mm thick plates by using finite-element modeling (FEM) and neutron diffraction measurements. In order to simulate the residual stresses through the thickness of the thick weld joints, this paper proposes a two-dimensional generalized plane strain (GPS) finite-element model coupled with the mixed work hardening model. The residual stress distributions show mostly asymmetric parabola profiles through the thickness of the welds and it is in good correlation with the neutron diffraction results. Both the heat input and plate thickness have little influence on the residual stress distributions due to the relatively large constraints of the thick specimen applied for each welding pass. A general formula has been suggested to evaluate the distributions of the through-thickness residual stresses in thick welds based on FEM and neutron diffraction experimental results.
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June 2017
Research-Article
Evaluation of Through-Thickness Residual Stresses by Neutron Diffraction and Finite-Element Method in Thick Weld Plates
Wenchun Jiang,
Wenchun Jiang
Neutron Science Division,
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea;
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea;
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
e-mail: jiangwenchun@126.com
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
e-mail: jiangwenchun@126.com
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Wanchuck Woo,
Wanchuck Woo
Neutron Science Division,
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea
e-mail: chuckwoo@kaeri.re.kr
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea
e-mail: chuckwoo@kaeri.re.kr
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Yu Wan,
Yu Wan
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
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Yun Luo,
Yun Luo
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
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Xuefang Xie,
Xuefang Xie
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
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S. T. Tu
S. T. Tu
Key Laboratory of Pressure System
and Safety (MOE),
School of Mechanical and Power Engineering,
East China University of Science
and Technology,
Shanghai 200237, China
and Safety (MOE),
School of Mechanical and Power Engineering,
East China University of Science
and Technology,
Shanghai 200237, China
Search for other works by this author on:
Wenchun Jiang
Neutron Science Division,
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea;
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea;
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
e-mail: jiangwenchun@126.com
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
e-mail: jiangwenchun@126.com
Wanchuck Woo
Neutron Science Division,
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea
e-mail: chuckwoo@kaeri.re.kr
Korea Atomic Energy Research Institute,
1045 Daedeok-daero,
Yuseong-gu,
Daejeon 305-353, South Korea
e-mail: chuckwoo@kaeri.re.kr
Yu Wan
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
Yun Luo
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
Xuefang Xie
State Key Laboratory of Heavy Oil Processing,
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
College of Chemical Engineering,
China University of Petroleum (East China),
Qingdao 266580, China
S. T. Tu
Key Laboratory of Pressure System
and Safety (MOE),
School of Mechanical and Power Engineering,
East China University of Science
and Technology,
Shanghai 200237, China
and Safety (MOE),
School of Mechanical and Power Engineering,
East China University of Science
and Technology,
Shanghai 200237, China
1Corresponding authors.
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received March 14, 2016; final manuscript received August 29, 2016; published online October 11, 2016. Assoc. Editor: Xian-Kui Zhu.
J. Pressure Vessel Technol. Jun 2017, 139(3): 031401 (10 pages)
Published Online: October 11, 2016
Article history
Received:
March 14, 2016
Revised:
August 29, 2016
Citation
Jiang, W., Woo, W., Wan, Y., Luo, Y., Xie, X., and Tu, S. T. (October 11, 2016). "Evaluation of Through-Thickness Residual Stresses by Neutron Diffraction and Finite-Element Method in Thick Weld Plates." ASME. J. Pressure Vessel Technol. June 2017; 139(3): 031401. https://doi.org/10.1115/1.4034676
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