In situ study to understand the effect of cooling rate on the phase transformation behaviour of metastable β-Ti alloy, Ti–5Al–5Mo–5V–3Cr

Deepak Sharma; Bryan Roebuck; Shubham Sanjay  Joshi; Rohit Sharma; Michael E. Fitzpatrick

doi:10.1016/j.matlet.2023.135308

In situ study to understand the effect of cooling rate on the phase transformation behaviour of metastable β-Ti alloy, Ti–5Al–5Mo–5V–3Cr

Deepak Sharma, Bryan Roebuck, Shubham Sanjay Joshi, Rohit Sharma, Michael E. Fitzpatrick

Centre for Manufacturing and Materials

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Abstract

We performed high-throughput in situ electrical resistance measurement experimentation to understand the effect of cooling rate on the phase transformation behaviour of Ti–5Al–5Mo–5V–3Cr β-Ti alloy. The results suggest the presence of two α-phase variants and that the formation of α-phase starts with a cooling rate of 0.5 °C/s. A slow cooling rate (0.1 °C/s) can be used to obtain similar microstructure and hardness (∼430 Hv) than fast cooling followed by an ageing treatment.

Original language	English
Article number	135308
Number of pages	5
Journal	Materials Letters
Volume	353
Early online date	26 Sept 2023
DOIs	https://doi.org/10.1016/j.matlet.2023.135308
Publication status	Published - 15 Dec 2023

Bibliographical note

© 2023, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

This document is the author’s post-print version, incorporating any revisions agreed during the peer-review process. Some differences between the published version and this version may remain and you are advised to consult the published version if you wish to cite from it.

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MEF is grateful for the support of the Lloyd’s Register Foundation, a charitable foundation helping to protect life and property by supporting engineering-related education, public engagement and the application of research.

Keywords

Titanium alloys
Phase transformation
Cooling rate
Electrical resistance

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.matlet.2023.135308

Fitzpatrick2023AAMAccepted author manuscript, 1.25 MBLicence: CC BY-NC-ND

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abstract = "We performed high-throughput in situ electrical resistance measurement experimentation to understand the effect of cooling rate on the phase transformation behaviour of Ti–5Al–5Mo–5V–3Cr β-Ti alloy. The results suggest the presence of two α-phase variants and that the formation of α-phase starts with a cooling rate of 0.5 °C/s. A slow cooling rate (0.1 °C/s) can be used to obtain similar microstructure and hardness (∼430 Hv) than fast cooling followed by an ageing treatment.",

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In situ study to understand the effect of cooling rate on the phase transformation behaviour of metastable β-Ti alloy, Ti–5Al–5Mo–5V–3Cr

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