Microstructure Control and Mechanical Property Correlation in Titanium Alloy Ti-6Al-4V Fasteners for Space Applications

S.V.S. Narayana Murty; Sushant Manwatkar; P. Ramesh Narayanan

doi:10.4028/www.scientific.net/MSF.830-831.354

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Effect of Grain Size on Deformation Twinning Behavior of Ti6Al4V Alloy
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Microstructure Mapping: An Approach to Quantitative Interpretation of Microstructural Evolution in Indian Fast Reactor Advanced Clad Material during Hot Forging
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Microstructure Control and Mechanical Property Correlation in Titanium Alloy Ti-6Al-4V Fasteners for Space Applications
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Study of Microstructure and Wear Behavior of T6 Heat Treated as Cast Al-25Mg₂Si-2Cu Alloy
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Study on Orange Peel Phenomena in Cu-Cr-Zr-Ti Alloy Thrust Chamber
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HomeMaterials Science ForumMaterials Science Forum Vols. 830-831Microstructure Control and Mechanical Property...

Microstructure Control and Mechanical Property Correlation in Titanium Alloy Ti-6Al-4V Fasteners for Space Applications

Abstract:

High strength fasteners of Titanium alloy Ti-6Al-4V are widely used in both launch vehicle and satellite structures. Ti-6Al-4V fasteners having three different types of microstructures were analysed for mechanical properties to understand the role of two phase α+β or transformed β phase in the head region. Based on the microstructure-mechanical property correlations, it was concluded that the presence of transformed beta phase will not affect the strength properties, but will produce scatter in percentage elongation, percentage reduction in area and failure torque values. Therefore, it is recommended that the microstructure of aerospace titanium alloy Ti-6Al-4V fasteners should contain homogeneous two phase α+β throughout.

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Periodical:

Materials Science Forum (Volumes 830-831)

Pages:

354-357

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.830-831.354

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Online since:

September 2015

Authors:

S.V.S. Narayana Murty, Sushant Manwatkar, P. Ramesh Narayanan

Keywords:

Aerospace Fasteners, Mechanical Properties, Microstructure, Ti-6Al-4V, Transformed Beta Phase

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