Processing-microstructure-yield strength correlation in a near β Ti alloy,Ti–5Al–5Mo–5V–3Cr

Kar, Sujoy and Suman, Swati and Sivaprasad, S and Chaudhuri, Atanu and Bhattacharjee, A (2014) Processing-microstructure-yield strength correlation in a near β Ti alloy,Ti–5Al–5Mo–5V–3Cr. Materials Science and Engineering A, 610 (IF-2.409). pp. 171-180.

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A combined set of thermo-mechanical steps recommended for high strength β Ti alloy are homogenization,deformation, recrystallization,annealing and ageing steps in sequence.Recrystallization carried out above or below β transus temperature generates either β annealed(lath type morphology of α) or bimodal (lath+globular morphology of α) microstructure.Through variations in heat treatment parameters at these processing steps,wide ranges of length scales of features have been generated in both types of microstructures in a near β Ti alloy,Ti–5Al–5Mo–5V–3Cr(Ti-5553).0.2%Yield strength(YS)has been correlated to various microstructural features and associated heat treatment parameters.Relative importance of microstructural features in influencing YS has been identified.Process parameters at different steps have been identified and recommended for attaining different levels of YS for this near β Ti alloy.

Item Type:Article
Official URL/DOI:
Uncontrolled Keywords:Ti–5Al–5Mo–5V–3Cr; Yield strength; Microstructure; Heat treatment parameters
Divisions:Material Science and Technology
ID Code:7012
Deposited By:Sahu A K
Deposited On:22 Aug 2014 17:16
Last Modified:04 May 2016 14:06
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