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Role of microstructure on the tension/compression asymmetry in a two-phase Ti-5Al-3Mo-1.5V titanium alloy
Faisal Waqar Syed,
Published in Elsevier Ltd
2019
Volume: 795
   
Pages: 151 - 162
Abstract
An investigation was conducted to understand the role of microstructure on the asymmetry of mechanical properties in quasi-static tension and compression in a two-phase titanium alloy Ti-5Al-3Mo-1.5V. Different microstructures were obtained (lamellar colony, basketweave and martensitic)on adopting different cooling rates after solution treatment in single phase β region. The microstructure with martensite exhibited higher strain to failure and lower yield strength than basketweave. Detailed TEM microstructural analysis helped reveal the existence of compression twins and strain-induced phase transformation in compression and tension tests respectively, both of which are relatively rare to be observed in two-phase titanium alloys. © 2019 Elsevier Ltd
About the journal
JournalData powered by TypesetJournal of Alloys and Compounds
PublisherData powered by TypesetElsevier Ltd
Open AccessNo
Concepts (15)
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    Aluminum alloys
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    Cooling
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    Martensite
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    Martensitic transformations
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    Microstructure
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    Molybdenum alloys
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    Strain rate
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    Tensile testing
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    Vanadium alloys
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    BASKETWEAVE
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    Cooling rates
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    STRAIN-INDUCED PHASE TRANSFORMATION
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    TENSION-COMPRESSION ASYMMETRY
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    TWO PHASE
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    Titanium alloys