Effect of Nonmetallic Inclusions on Fatigue Properties of Superelastic Ti-Ni Fine Wire
Keyword(s):
Ni Alloy
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This study investigated the effects of the types and length of nonmetallic inclusions on fatigue properties in rotating bending fatigue testing of Ti-Ni alloy fine wire. It was fabricated to include titanium carbides Ti(C,O) and titanium oxides Ti4Ni2Ox as either single phases or a mixture of both phases as nonmetallic inclusions in Ti-Ni alloy. The fatigue strength of Ti-Ni alloy depended on the number of nonmetallic inclusions of a length of ≥2 μm. Compared with Ti(C,O), Ti4Ni2Ox is coarse. It also exhibited a trend of readily forming particles and void assemblies, which are a defect morphology that originates from nonmetallic inclusions and readily act as crack origins of fatigue fractures.
2008 ◽
Vol 39
(9)
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pp. 2068-2076
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1966 ◽
Vol 15
(148)
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pp. 49-54
Keyword(s):
Effects of Case Depth and Notch Shape on the Rotating Bending Fatigue Properties of Carburized Steel
1980 ◽
Vol 66
(3)
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pp. 410-417
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Keyword(s):
2007 ◽
Vol 344
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pp. 87-96
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2008 ◽
Vol 498
(1-2)
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pp. 258-265
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Keyword(s):
1986 ◽
Vol 26
(7)
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pp. 642-648
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Keyword(s):
2013 ◽
Vol 46
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pp. 539-545
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Keyword(s):
2007 ◽
Vol 539-543
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pp. 3751-3756
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