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3 results on '"Zhuanxia Suo"'

2. Oxidation resistance of powder metallurgy Ti—45Al—10Nb alloy at high temperature

Author

Wei Boxin, Li Xuewen, Peihao Ye, Fang Wenbin, Hongrui Ji, Xuchen Jin, and Zhuanxia Suo

Subjects
Materials science, Geochemistry and Petrology, Mechanics of Materials, Mechanical Engineering, Alloy, Metallurgy, Materials Chemistry, Metals and Alloys, engineering, engineering.material, Microstructure, Oxidation resistance
Published
2022

3. Microstructure, Thermal Insulation, and High-Temperature Mechanical Properties of Layered Porous High Nb-TiAl Composite Sheets

Author

Wei Boxin, Wei Sun, Xuewen Li, Peihao Ye, Xuchen Jin, Zhuanxia Suo, and Fang Wenbin

Subjects
Materials science, business.industry, Composite number, Alloy, General Engineering, Sintering, engineering.material, Microstructure, Thermal insulation, Ultimate tensile strength, engineering, General Materials Science, Composite material, Porosity, business, Porous medium
Abstract

Porous materials can effectively improve the thermal insulation performance of materials. Therefore, this study used pure Ti foil, pure Al powder, and pure Nb powder as raw materials. Layered porous high Nb-TiAl alloys have been prepared by vacuum hot-pressing sintering and multi-step heat treatment (low-temperature heat treatment and high-temperature heat treatment). The materials are composed of α2-Ti3Al, γ-TiAl, and Al3Nb. Holes are formed in the Al3Nb layer. The thermal insulation and tensile properties are measured at high temperature. The results show that the thermal insulation performance of the layered porous high Nb-TiAl alloy sheet is better than that of the layered high Nb-TiAl alloy (non-porous) and the traditional TiAl alloy. In this work, the materials achieved a good mechanical property-insulation performance synergy.

Published
2021

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