期刊
COMPOSITES COMMUNICATIONS
卷 30, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2022.101077
关键词
High-temperature titanium alloy; Graphene oxide; Mechanical property; Heat treatment
资金
- Innovation Program of Aero Engine Corporation of China [CXPT-2018-36/KJSJ181508/10]
- National Natural Science Foundation of China [U2141222]
The study successfully fabricated GO reinforced high-temperature titanium alloy matrix composite, which exhibited significantly improved high-temperature strength and increased high-temperature ductility after treatment.
GO reinforced high-temperature titanium alloy matrix composite with excellent high-temperature strength and ductility was successfully fabricated by hot isostatic pressing and heat treatment. After solution and aging treatment, the high-temperature strength of the composite was significantly improved because the increase of in situ TiC at the interface enhanced interface bonding and the microstructure changed from equiaxed structure to bimodal structure. At the same time, the dissolution of silicides increased the high-temperature ductility. After solution at 1075 degrees C and aging at 700 degrees C, the tensile strength, yield strength and elongation at 600 degrees C of the high temperature titanium alloy with 0.3 wt% GO reached 749 MPa, 571 MPa and 18.5%, respectively.
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