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- W2377888542 abstract "Different heat treatment process on AM355 steel bars were searched, which were produced by VIM+ESR technique and forged into φ80mm. Mechanical properties were tested after different quench temperatures, followed by same deep cold and different temperature. The results show that, with a contrast of traditional heat treatment(1 070 ℃×1 h AC+(-70 ℃)×8 h+200 ℃×2 h AC), new heat treatment process(1 000 ℃×1 h AC+(-70 ℃)×8 h+450 ℃×2 h AC+200 ℃×2 h AC) can lead a rise of about 100 MPa in strength and 5HRC in hardness. Details of mechanical property are: Rm=1 630 MPa, Re=1 380 MPa, A=16%, Z=59%, impact energy 51 J, 50 HRC. Sorts and precipitations of carbides in this AM355 bar were carried out by SEM and TEM, and strengthening mechanism were also searched. In conclusion, the quenching temperature has main effect on grain size, carbides, remained austenite, etc., and the exist of M23C6 carbide can lead a high strength." @default.
- W2377888542 created "2016-06-24" @default.
- W2377888542 creator A5059974841 @default.
- W2377888542 date "2014-01-01" @default.
- W2377888542 modified "2023-09-23" @default.
- W2377888542 title "Effect and Mechanism of Heat Treatment on Mechanical Property of AM355 Steel" @default.
- W2377888542 hasPublicationYear "2014" @default.
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