The effects of ... phase interfaces on fatigue crack deflections in additively manufactured titanium alloy: A peridynamic study ([...] denotes ProQuest formulae omitted)

A method to characterize ... interface effects on fatigue crack growth (FCG) in additively manufactured (AM) Ti–5Al–5Mo–5V–1Cr–1Fe is proposed with a fatigue model in peridynamic framework. The proposed method is verified by simulating FCG behaviors, and the simulation results accord well with our p...

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Bibliographic Details
Published inInternational journal of fatigue Vol. 137; pp. 1 - 13
Main Authors Liu, Binchao, Wang, Kai, Bao, Rui, Sui, Fucheng
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier BV 01.08.2020
Subjects
Additive manufacturing
Anisotropy
Computer simulation
Crack propagation
Damage tolerance
Fatigue failure
Fracture mechanics
Materials fatigue
Titanium alloys
Titanium base alloys
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Summary:A method to characterize ... interface effects on fatigue crack growth (FCG) in additively manufactured (AM) Ti–5Al–5Mo–5V–1Cr–1Fe is proposed with a fatigue model in peridynamic framework. The proposed method is verified by simulating FCG behaviors, and the simulation results accord well with our previous experiment observations. Then, some in-depth discussions as well as possible improvements towards the proposed method are presented. It is demonstrated that as compared with the present fatigue and damage tolerance (F&DT) evaluations for traditionally manufactured materials, anisotropy of material resistance to fatigue is of great significance for AM materials. ([...] denotes ProQuest formulae omitted)
ISSN:0142-1123
1879-3452
DOI:10.1016/j.ijfatigue.2020.105622