Effect of heat treatment on the microstructure and properties of TiBw reinforced high-temperature titanium matrix composite

Yang Dongjie; Yang Zhenbo; Sun Yonggang; Feng Hong; Zhang Shuzhi; Zhi Shaoyong; Zhang Changjiang

doi:10.7513/j.issn.1004-7638.2023.01.013

Volume 44 Issue 1

Feb. 2023

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Yang Dongjie, Yang Zhenbo, Sun Yonggang, Feng Hong, Zhang Shuzhi, Zhi Shaoyong, Zhang Changjiang. Effect of heat treatment on the microstructure and properties of TiBw reinforced high-temperature titanium matrix composite[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(1): 72-77. doi: 10.7513/j.issn.1004-7638.2023.01.013

Citation:

Yang Dongjie, Yang Zhenbo, Sun Yonggang, Feng Hong, Zhang Shuzhi, Zhi Shaoyong, Zhang Changjiang. Effect of heat treatment on the microstructure and properties of TiBw reinforced high-temperature titanium matrix composite[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(1): 72-77. doi: 10.7513/j.issn.1004-7638.2023.01.013

Citation:

Yang Dongjie, Yang Zhenbo, Sun Yonggang, Feng Hong, Zhang Shuzhi, Zhi Shaoyong, Zhang Changjiang. Effect of heat treatment on the microstructure and properties of TiBw reinforced high-temperature titanium matrix composite[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(1): 72-77. doi: 10.7513/j.issn.1004-7638.2023.01.013

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Effect of heat treatment on the microstructure and properties of TiBw reinforced high-temperature titanium matrix composite

doi: 10.7513/j.issn.1004-7638.2023.01.013

1.
Department of Materials Engineering, Shanxi Institute of Mechanical & Electrical Engineering, Changzhi 046011, Shanxi, China
2.
College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
3.
Shanxi Zhonggong Heavy Forging Co. Ltd., Xinzhou 035400, Shanxi, China

Received Date: 2022-07-21
Publish Date: 2023-02-28

Abstract

Abstract

The microstructure and properties of TiBw reinforced high-temperature titanium matrix composite forgings formed by integral forging and the effects of different heat treatment processes on the microstructure and properties of forgings were studied by scanning electron microscope and electronic universal material testing machine. The results show that the microstructure of the forgings is bimodal structure, which shows excellent high-temperature performance at 650 ℃, but its strength decreases significantly at 700 ℃. Different heat treatments were performed on the forgings, and it was found that the content and size of the α phase gradually decreased with the increase of the solution temperature. In addition, its tensile strength increases with increasing solid solution temperature, but its plasticity decreases. When the solid solution temperature is 1030 ℃, a bimodal structure with an equiaxed α-phase content of 18.58% can be obtained, and the high-temperature performance is the best. The yield strength is 514.0 MPa, the ultimate tensile strength is 594.0 MPa, and the elongation is 13.9%.
- TiBw reinforced high-temperature titanium matrix composites,
- solid solution temperature,
- microstructure,
- mechanical properties

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References(15)

References

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