Excellent high-temperature strength and ductility of graphene oxide reinforced high-temperature titanium alloy matrix composite fabricated by hot isostatic pressing and heat treatment

被引：12

作者：

Chen, Hang ^{[1
,2
,3
]}

Mi, Guangbao ^{[2
,3
]}

Li, Peijie ^{[1
]}

Cao, Chunxiao ^{[2
]}

机构：

[1] Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China

[2] AECC Beijing Inst Aeronaut Mat, Aviat Key Lab Sci & Technol Adv Titanium Alloys, Beijing 100095, Peoples R China

[3] Beijing Engn Res Ctr Graphene & Applicat, Beijing 100095, Peoples R China

来源：

COMPOSITES COMMUNICATIONS | 2022年 / 30卷

基金：

中国国家自然科学基金;

关键词：

High-temperature titanium alloy; Graphene oxide; Mechanical property; Heat treatment; MECHANICAL-PROPERTIES; MICROSTRUCTURE; METAL;

D O I：

10.1016/j.coco.2022.101077

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

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.

引用

页数：4

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