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本文介绍了采用金相法研究铸态40Cr2MoNiV钢的过冷奥氏体等温转变产物的显微形貌,测定了TTT曲线,并对铸态钢TTT曲线的特点进行了讨论。
In this paper, the microstructure of the as-cast products of as-cast austenite in as-cast 40Cr2MoNiV steel was investigated by metallographic method. The TTT curves were also measured. The characteristics of the TTT curves of as-cast steel were also discussed.