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Propensities of crack interior initiation and early growth for very-high-cycle fatigue of high strength steels
Hong YS(洪友士); Lei ZQ(雷铮强); Sun CQ(孙成奇); Zhao AG(赵爱国); Hong, YS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
2014-01
Volume58Pages:144-151
ISSN0142-1123
AbstractFatigue tests of a high carbon chromium steel were performed using rotating bending and ultrasonic axial cycling. Fatigue crack initiated at specimen interior for very-high-cycle fatigue (VHCF) with fish-eye pattern embracing fine-granular-area (FGA) originated from inclusion. The fatigue life from FGA to fish-eye and from fish-eye to the critical crack size was respectively calculated, so as to estimate the fatigue life contributed by FGA. The crack extension rate within FGA was also estimated. Our results demonstrated that the formation of FGA is responsible for a majority part of total fatigue life.
KeywordVery-high-cycle Fatigue Fatigue Life Fga Crack Extension Rate High Strength Steels
Subject Area疲劳与断裂力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000328592700017
Funding OrganizationNational Natural Science Foundation of China [11172304, 11021262, 11202210]; National Basic Research Program of China [2012CB937500]
DepartmentLNM金属材料微结构与力学性能
Classification二类/Q1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48080
Collection非线性力学国家重点实验室
Corresponding AuthorHong, YS (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Hong YS,Lei ZQ,Sun CQ,et al. Propensities of crack interior initiation and early growth for very-high-cycle fatigue of high strength steels[J]. INTERNATIONAL JOURNAL OF FATIGUE,2014,58:144-151
APA 洪友士,雷铮强,孙成奇,赵爱国,&Hong, YS .(2014).Propensities of crack interior initiation and early growth for very-high-cycle fatigue of high strength steels.INTERNATIONAL JOURNAL OF FATIGUE,58,144-151.
MLA 洪友士,et al."Propensities of crack interior initiation and early growth for very-high-cycle fatigue of high strength steels".INTERNATIONAL JOURNAL OF FATIGUE 58(2014):144-151.
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