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Investigating creep behavior of Ni-Cr-W alloy pressurized tube at 950 degrees C by using in-situ creep testing system
Zhong, Y; Lan, KC; Lee, H; Zhou, BM; Wang, Y; Tsang, DKL; Stubbins, JF
2020
Source PublicationNUCLEAR ENGINEERING AND TECHNOLOGY
ISSN1738-5733
Volume52Issue:7Pages:1481-1485
Subtype期刊论文
AbstractThe creep behavior of Ni-Cr-W alloy at 950 degrees C has been investigated by a novel creep testing system which is capable of in-situ measurement of strain. Tubular specimens were pressurized with argon gas for effective stresses up to 32 MPa. Experimental results show that the thermal fatigue reduces the creep life of the tubular specimens and with the introduction of thermal cycling fatigue the primary stage disappears and the creep rate higher than the pure thermal creep (without thermal fatigue). Also the creep behavior of Ni-Cr-W alloy doesn't consist in the secondary stage. A new creep equation has been derived and implemented into finite element method. The results from the finite element analyses are in good agreement with the creep experiment. (C) 2019 Korean Nuclear Society, Published by Elsevier Korea LLC.
KeywordDEFORMATION TWINS HAYNES 230 SUPERALLOY MECHANISM FRACTURE MICROSTRUCTURE
DOI10.1016/j.net.2019.12.024
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32956
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Fudan Univ, Dept Radiat Oncol, Shanghai Canc Ctr, Shanghai, Peoples R China
2.Fudan Univ, Shanghai Med Coll, Dept Oncol, Shanghai, Peoples R China
3.Natl Tsing Hua Univ, Inst Nucl Engn & Sci, Hsinchu 30013, Taiwan
4.Univ Illinois, Dept Nucl Plasma & Radiol Engn, Urbana, IL 61801 USA
5.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Zhong, Y,Lan, KC,Lee, H,et al. Investigating creep behavior of Ni-Cr-W alloy pressurized tube at 950 degrees C by using in-situ creep testing system[J]. NUCLEAR ENGINEERING AND TECHNOLOGY,2020,52(7):1481-1485.
APA Zhong, Y.,Lan, KC.,Lee, H.,Zhou, BM.,Wang, Y.,...&Stubbins, JF.(2020).Investigating creep behavior of Ni-Cr-W alloy pressurized tube at 950 degrees C by using in-situ creep testing system.NUCLEAR ENGINEERING AND TECHNOLOGY,52(7),1481-1485.
MLA Zhong, Y,et al."Investigating creep behavior of Ni-Cr-W alloy pressurized tube at 950 degrees C by using in-situ creep testing system".NUCLEAR ENGINEERING AND TECHNOLOGY 52.7(2020):1481-1485.
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