Research on High Temperature Deformation Behavior of Ti-25Al-15Nb-1Mo Alloy AITranslate
Abstract AITranslate
The isothermal compression test of Ti-25 Al-15 Nb-1 Mo alloy melted in vacuum was carried out with Gleeble-3800 thermal simulation tester.The high temperature rheological curve,microstructure evolution and hardness change trend in different regions of the alloy at temperature of 1100~1200℃and strain rate of 0.1~0.5 s^-1 were studied.The results show that in the process of high temperature deformation,the true stress-strain curve of the alloy appears a single peak,and the flow stress of the alloy decreases with the decrease of strain rate or the increase of temperature.Thermal deformation changes the microstructure from mixed structure of coarse O-lath and original B2 phase to single B2 recrystallization structure.The main reason for the rheological softening and microstructure evolution of the alloy is the dynamic recrystallization of B2 structure.The minimum hardness of recrystallization zone is 350 HV,which is related to dynamic recrystallization.
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Basic Information:
DOI：
Chinese Library Classification Number:TG146.4[金属学及工艺—金属材料]
Citation Information:
The isothermal compression test of Ti-25 Al-15 Nb-1 Mo alloy melted in vacuum was carried out with Gleeble-3800 thermal simulation tester.The high temperature rheological curve,microstructure evolution and hardness change trend in different regions of the alloy at temperature of 1100~1200℃and strain rate of 0.1~0.5 s^-1 were studied.The results show that in the process of high temperature deformation,the true stress-strain curve of the alloy appears a single peak,and the flow stress of the alloy decreases with the decrease of strain rate or the increase of temperature.Thermal deformation changes the microstructure from mixed structure of coarse O-lath and original B2 phase to single B2 recrystallization structure.The main reason for the rheological softening and microstructure evolution of the alloy is the dynamic recrystallization of B2 structure.The minimum hardness of recrystallization zone is 350 HV,which is related to dynamic recrystallization.
quote
| GB/T 7714-2015 | [1] LUO Yuan-yuan, ZHANG Jing-li, ZHAO Sheng-ze, et al. Research on High Temperature Deformation Behavior of Ti-25Al-15Nb-1Mo Alloy[J]. Rare Metals and Cemented Carbides, 2019(6): 59-63. |
| MLA | [1] LUO Yuan-yuan, et al., "Research on High Temperature Deformation Behavior of Ti-25Al-15Nb-1Mo Alloy." Rare Metals and Cemented Carbides, no. 6, 2019, pp. 59-63. |
| APA | [1] LUO Yuan-yuan, ZHANG Jing-li, ZHAO Sheng-ze, GUO Di-zi, SU Hang-biao, & MAO Xiao-nan. (2019). Research on High Temperature Deformation Behavior of Ti-25Al-15Nb-1Mo Alloy. Rare Metals and Cemented Carbides(6), 59-63. |
| IEEE | [1] LUO Yuan-yuan, ZHANG Jing-li, ZHAO Sheng-ze, GUO Di-zi, SU Hang-biao, and MAO Xiao-nan, "Research on High Temperature Deformation Behavior of Ti-25Al-15Nb-1Mo Alloy," Rare Metals and Cemented Carbides, no. 6, pp. 59-63, 2019. keywords: {Ti3Al based alloy;Ti-25Al-15Nb-1Mo;isothermal compression;high temperature rheology;microstructure evolution} |