Failure analysis and optimization of thermo-mechanical process parameters of titanium alloy (Ti–6Al–4V) fasteners for aerospace applications

•Uncontrolled process parameters during head forging attributed to premature failure.•Socket head hole piercing into shank results in reduction of effective bearing area.•Heterogeneity in microstructure leads further damage.•High strain rates and controlled temperature during head forging used....

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Bibliographic Details
Published inCase studies in engineering failure analysis Vol. 1; no. 2; pp. 49 - 60
Main Authors Venkateswarlu, Vartha, Tripathy, Debashish, Rajagopal, K., Tharian, K. Thomas, Venkitakrishnan, P.V.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.04.2013
Subjects
Fasteners
Fatigue failure
Solution treated and aged
Strain rate
Ti–6Al–4V
Solution treated and aged
Fasteners
Ti–6Al–4V
Fatigue failure
Strain rate
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Summary:•Uncontrolled process parameters during head forging attributed to premature failure.•Socket head hole piercing into shank results in reduction of effective bearing area.•Heterogeneity in microstructure leads further damage.•High strain rates and controlled temperature during head forging used.
ISSN:2213-2902
2213-2902
DOI:10.1016/j.csefa.2013.04.003