MATEC Web Conf.
Volume 321, 2020The 14th World Conference on Titanium (Ti 2019)
|Number of page(s)||6|
|Section||Microstructure - Properties Relationships|
|Published online||12 October 2020|
Study on Microstructure and Mechanical Properties of Low Cost Ti-Fe-B Alloy
1 College of Materials Science and Engineering/Tech Institute for Advanced Materials, Nanjing Tech University, Nanjing 210009, China
2 Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing 211899, China
3 State Key Laboratory of Metal Material for Marine Equipment and Application, Anshan 114000, China
4 Naval Research Academy, Beijing 100000, China
Microstructure evolution and mechanical properties of low cost Ti-2Fe-0.1B alloy under different heat treatment were studied. Results indicated that two kinds of equiaxed microstructures with different characteristics were obtained in conventional and double annealing, and typical lamellar microstructure was obtained in β annealing. Tensile test results shown that as-received rolled alloy possess highest strength and plasticity simultaneously due to fine and entangled microstructure. Uniform equiaxed dimples were observed in microstructure, which revealed ductile fracture morphology.
Key words: titanium alloy; microstructure; heat treatment; mechanical properties
© The Authors, published by EDP Sciences, 2020
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