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Multiaxial ratcheting behavior of zirconium alloy tubes under combined cyclic axial load and internal pressure
Chen, G.; Zhang, X.; Xu, D. K.; Li, D. H.; Chen, X.; Zhang, Z.; Zhang, Z (reprint author), Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China.
2017-06-01
发表期刊JOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
卷号489页码:99-108
摘要In this study, a series of uniaxial and multiaxial ratcheting tests were conducted at room temperature on zirconium alloy tubes. The experimental results showed that for uniaxial symmetrical cyclic test, the axial ratcheting strain epsilon(x) did not accumulate obviously in initial stage, but gradually increased up to 1% with increasing stress amplitude sigma(xa). For multiaxial ratcheting tests, the zirconium alloy tube was highly sensitive to both the axial stress amplitude sxa and the internal pressure pi. The hoop ratcheting strain 3q increased continuously with the increase of axial stress amplitude, whereas the evolution of axial ratcheting strain epsilon(x) was related to the axial stress amplitude. The internal pressure restricted the ratcheting accumulation in the axial direction, but promoted the hoop ratcheting strain on the contrary. The prior loading history greatly restrained the ratcheting behavior of subsequent cycling with a small internal pressure. (C) 2017 Elsevier B.V. All rights reserved.; In this study, a series of uniaxial and multiaxial ratcheting tests were conducted at room temperature on zirconium alloy tubes. The experimental results showed that for uniaxial symmetrical cyclic test, the axial ratcheting strain epsilon(x) did not accumulate obviously in initial stage, but gradually increased up to 1% with increasing stress amplitude sigma(xa). For multiaxial ratcheting tests, the zirconium alloy tube was highly sensitive to both the axial stress amplitude sxa and the internal pressure pi. The hoop ratcheting strain 3q increased continuously with the increase of axial stress amplitude, whereas the evolution of axial ratcheting strain epsilon(x) was related to the axial stress amplitude. The internal pressure restricted the ratcheting accumulation in the axial direction, but promoted the hoop ratcheting strain on the contrary. The prior loading history greatly restrained the ratcheting behavior of subsequent cycling with a small internal pressure. (C) 2017 Elsevier B.V. All rights reserved.
部门归属[chen, g. ; zhang, x. ; chen, x. ; zhang, z.] tianjin univ, sch chem engn & technol, tianjin 300072, peoples r china ; [xu, d. k.] chinese acad sci, inst met res, environm corros ctr, shenyang 110016, peoples r china ; [li, d. h.] hunan taohuajiang nucl power co ltd, yiyang 413000, peoples r china
关键词Zirconium Alloy Multiaxial Loading Ratcheting Loading History Microstructure
学科领域Materials Science, Multidisciplinary ; Nuclear Science & Technology
资助者National Natural Science Foundation of China [51471116, 51435012]; Program for New Century Excellent Talents in University of China [NCET-13-0400]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78120
专题中国科学院金属研究所
通讯作者Zhang, Z (reprint author), Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China.
推荐引用方式
GB/T 7714
Chen, G.,Zhang, X.,Xu, D. K.,et al. Multiaxial ratcheting behavior of zirconium alloy tubes under combined cyclic axial load and internal pressure[J]. JOURNAL OF NUCLEAR MATERIALS,2017,489:99-108.
APA Chen, G..,Zhang, X..,Xu, D. K..,Li, D. H..,Chen, X..,...&Zhang, Z .(2017).Multiaxial ratcheting behavior of zirconium alloy tubes under combined cyclic axial load and internal pressure.JOURNAL OF NUCLEAR MATERIALS,489,99-108.
MLA Chen, G.,et al."Multiaxial ratcheting behavior of zirconium alloy tubes under combined cyclic axial load and internal pressure".JOURNAL OF NUCLEAR MATERIALS 489(2017):99-108.
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