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Research on Microstructure and Mechanical Properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y Superalloy AITranslate

Engineering Integrated Experimental Teaching Demonstration Center,Beijing Union University;Department of Materials Engineering,Henan Institute of Technology
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Publisher: Editorial Office of Rare Metals and Cemented Carbides
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Abstract AITranslate

The microstructure, phase composition and mechanical properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y superalloy were studied by scanning electron microscope,X-ray diffractometer and tensile test. The results show that the chaotic βphase in Ti-40Al-3.5Nb-0.8Mo-0.3Y alloy can effectively improve high tempera- ture resistance of the alloy. Hot isostatic pressing and homogenization processes improve the density of the alloy. The tensile strength of the alloy at room temperature is 583 MPa, with flat tensile fracture morpholo- gy and brittle transgranular cleavage fracture characteristics. When the tensile test temperature gradually rises from room temperature to 760 ℃ ,the tensile strength of the alloy continuously declines,and the elon- gation of the alloy gradually rises of brittle fracture characteristics.

KeyWords AITranslate

Ti-40Al-3.5Nb-0.8Mo-0.3Y alloy microstructure mechanical property tensile test

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Basic Information:

DOI:

Chinese Library Classification Number:TG146.23[金属学及工艺—金属材料]

Citation Information:

The microstructure, phase composition and mechanical properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y superalloy were studied by scanning electron microscope,X-ray diffractometer and tensile test. The results show that the chaotic βphase in Ti-40Al-3.5Nb-0.8Mo-0.3Y alloy can effectively improve high tempera- ture resistance of the alloy. Hot isostatic pressing and homogenization processes improve the density of the alloy. The tensile strength of the alloy at room temperature is 583 MPa, with flat tensile fracture morpholo- gy and brittle transgranular cleavage fracture characteristics. When the tensile test temperature gradually rises from room temperature to 760 ℃ ,the tensile strength of the alloy continuously declines,and the elon- gation of the alloy gradually rises of brittle fracture characteristics.

quote

GB/T 7714-2015 [1] WANG Hui, CHENG Fang. Research on Microstructure and Mechanical Properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y Superalloy[J]. Rare Metals and Cemented Carbides, 2018(3): 19-22.
MLA [1] WANG Hui, and CHENG Fang. "Research on Microstructure and Mechanical Properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y Superalloy." Rare Metals and Cemented Carbides, no. 3, 2018, pp. 19-22.
APA [1] WANG Hui, & CHENG Fang. (2018). Research on Microstructure and Mechanical Properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y Superalloy. Rare Metals and Cemented Carbides(3), 19-22.
IEEE [1] WANG Hui and CHENG Fang, "Research on Microstructure and Mechanical Properties of Ti-40Al-3.5Nb-0.8Mo-0.3Y Superalloy," Rare Metals and Cemented Carbides, no. 3, pp. 19-22, 2018. keywords: {Ti-40Al-3.5Nb-0.8Mo-0.3Y alloy;microstructure;mechanical property;tensile test}