In-situ observation microstructure evolution and growth kinetics of lamellar γ phases in Ti44Al alloy during heat treatment

In-situ observation microstructure evolution and growth kinetics of lamellar γ phases in Ti44Al alloy during heat treatment

To study mechanism of microstructure evolution in TiAl based alloys during heat treatment, Ti44Al alloy was heat treated at 1240 °C for 0.5/1.0/2.0/2.5/3.0/5.0/7.0 h before being quenched in water. Chemical composition, phase component and microstructure are characterized by XRF, XRD, OM, SEM and ED...

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Bibliographic Details
Main Authors: Yangli Liu, Xiang Xue, Hongze Fang, Yingmei Tan, Ruirun Chen, Hongzhi Cui, Yanqing Su, Jingjie Guo
Format: Article
Language:English
Published: Elsevier 2020-11-01
Series:Journal of Materials Research and Technology
Subjects:
TiAl alloy
Microstructure evolution
Heat treatment
Diffusion
Kinetic model
In-situ observation
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785420316677

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