EPJ Web Conf.
Volume 183, 2018DYMAT 2018 - 12th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|Number of page(s)||4|
|Published online||07 September 2018|
Shock-induced Martensite phase transformation and its effects of metastable near β Ti-5553 titanium alloy
School of Materials Science & Engineering, Beijing Institute of Technology,
P. R. China
2 National Key Laboratory of Science and Technology on Materials in Impact Environment, Beijing 100081, P. R. China
3 Shanghai Bao Steel Group, Shanghai, 201900, P. R. China
* Corresponding author: firstname.lastname@example.org
Published online: 7 September 2018
In this paper, microstructure evolution and mechanic properties of metastable near β Ti-5553 alloy were investigated. SHPB, SHTB and light gas gun were employed to carry out the dynamic loadings. Microstructure evolution were characterized by OM, quantitative metallography and XRD. The experimental results demonstrated that stress-induced martensite transformation occur in metastable Ti-5553 alloy through SHPB, SHTB and plate impact loadings. In SHPB loading test, stress-induced martensite transformation is one of the methods that dissipate energy besides of adiabatic shear band, and also occur before ASB. In SHTB and SHPB+SHTB loading tests, the transformation amount of stressinduced martensite exhibit similar trend. In plate impact experiment, the content of martensite phase transformation increased with the impact velocity.
© The Authors, published by EDP Sciences, 2018
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