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LI Nan; CHEN Jingwei; QU Jinglong; JIA Jian; SHENG Liwen; YANG Shufeng
Hang kong cai liao xue bao, 04/2024, Letnik: 44, Številka: 2Journal Article
The high temperature deformation behavior of vacuum powder forging FGH95 alloy was studied by Gleeble-3800 thermal simulation testing machine. The hot compression test was carried out at the deformation temperature of 1090-1170 ℃ and the strain rate of 0.01-10 s−1. The flow stress-strain curves under the corresponding conditions were obtained. The effects of deformation conditions on the microstructure evolution of vacuum powder forging FGH95 alloy were analyzed by EBSD. After considering the influence of temperature,strain rate and strain on the flow behavior of the alloy,the Arrhenius equation was selected to establish the constitutive model of vacuum powder forging FGH95 alloy,and the parameters of vacuum powder forging FGH95 alloy were obtained. The relationship between material parameters and strain was fitted and the obtained constitutive equation was verified.The results show that the flow stress of FGH95 alloy prepared by vacuum powder forging process decreases with the increase of temperature and inc
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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