Fretting Fatigue Behavior of Shot-Peened Titanium Alloy TI-6AL-4V Under Seawater Conditions

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ISBN 13 : 9781423519195
Total Pages : 82 pages
Book Rating : 4.5/5 (191 download)

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Book Synopsis Fretting Fatigue Behavior of Shot-Peened Titanium Alloy TI-6AL-4V Under Seawater Conditions by :

Download or read book Fretting Fatigue Behavior of Shot-Peened Titanium Alloy TI-6AL-4V Under Seawater Conditions written by and published by . This book was released on 2004-06-01 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fretting fatigue behavior of the shot-peened titanium alloy, Ti- 6Al-4V, was investigated under a corrosive environment of synthetic seawater. Fretting fatigue tests were performed over a wide stress range to determine the effect of seawater at high and low cycle fatigue regimes. The results from this study showed: (1) seawater significantly reduces the fretting fatigue life of shot-peened Ti-6Al-4V at both high and low cycle fatigue relative to its counterpart in ambient laboratory conditions, (2) shot peening increases the fretting fatigue life of Ti-6Al-4V when tested under dry and seawater conditions relative to its counterpart of unpeened Ti-6Al-4V, (3) surface debris from samples tested under seawater conditions contained large quantities of oxide and seawater contaminants, (4) cleaning after testing removed most of the oxide and seawater contaminants from the sample.

Fretting Fatigue Behavior of a Titanium Alloy Ti-6AL-4V at Elevated Temperature

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ISBN 13 : 9781423511564
Total Pages : 116 pages
Book Rating : 4.5/5 (115 download)

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Book Synopsis Fretting Fatigue Behavior of a Titanium Alloy Ti-6AL-4V at Elevated Temperature by : Onder Sahan

Download or read book Fretting Fatigue Behavior of a Titanium Alloy Ti-6AL-4V at Elevated Temperature written by Onder Sahan and published by . This book was released on 2002-03-01 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this research is to investigate the fretting fatigue behavior of the titanium alloy Ti-6Al-4V at elevated temperature is investigated. Fretting and plain fatigue experiments are conducted at 260 . Crack initiation location and crack initiation orientation is measured and fretting and plain fatigue life data of the specimens from these tests are obtained. Fatigue parameters capable of predicting the number of cycles to specimen failure, the crack location and the crack orientation along the contact surface are analyzed. The parameters are calculated by using the computed stresses and strains obtained from the finite element analysis. The mechanisms responsible for the fretting fatigue crack initiation are determined. The effect of elevated temperature is examined by comparing room and elevated temperature fretting and plain fatigue data.