The effect of microstructure on very high cycle fatigue properties in Ti-6Al-4V


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Title:	The effect of microstructure on very high cycle fatigue properties in Ti-6Al-4V
Authors:	Oguma, H. Browse this author
Authors:	Nakamura, T. Browse this author
Keywords:	High cycle fatigue
	Titanium
	Microstructure
	Sub-surface fracture
Issue Date:	Jul-2010
Publisher:	Elsevier
Journal Title:	Scripta Materialia
Volume:	63
Issue:	1
Start Page:	32
End Page:	34
Publisher DOI:	10.1016/j.scriptamat.2010.02.043
Abstract:	Uniaxial tension fatigue tests were conducted on a Ti-6Al-4V alloy that underwent different heat treatments to reveal the effect of microstructures on the very high cycle fatigue properties. The size dependency of threshold stress intensity factor range will be pointed out for the sub-surface crack, and a possible mechanism will be presented for the phenomenon that the sub-surface fractures occur at lower stress levels in the very high cycle regime than do surface-initiated fractures.
Type:	article (author version)
URI:	http://hdl.handle.net/2115/43173
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小熊博幸

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