Transactions of Materials and Heat Treatment

Title：Relation between hot deformation behaviors of 34CrNi3Mo steel and Zener-Hollomon parameter

Authors： (Northwestern Polytechnical University) Zeng Weidong Zhang Maichang Yu Hanqing Zhou Yigang

Unit：

KeyWords： CrNi3Mosteel Hot compressive test Dynamic recrystallization Zener-Hollomon parameter Grain size

ClassificationCode：TG142.33

year,vol(issue):pagenumber：1996,21(3):0-0

Abstract：

By means of hot compressive test, the hot compressive behaviors of 34CrNi3Mo steel in the temperature of 840℃ to 1200℃.strain rate from 0.1S￣(-1) to 80S￣(-1) were investigated.The deperdence of peak stress σ_p,the conditions of occurring dynamic recrystallization(which include critical parameter Z_c and critical strain εc) and recrystallization grain size d on Zener-Hollomon parameter was studied,their regressive formulas were also obtained.

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Reference：

1万嘉礼主编．机电工程金属材料手册．上海科学技术出版社，1990：5672西元学，高桥涉等．Ti合金高温变形举动Zener－Hollomon因子检讨．铁，1992（8）：1398－14053RobertsWetal．DeformationProcessingandStructure．MetalsPark．Ohio：ASM，1984：1094RobertsWetal．StrengthofMetalsandAlloysVol．Ⅳ．Oxford，Pergamon，1986：18595高维林等，含Nb低碳钢的热变形行为和金属塑性变形中流变应力的预测．金属学报，1992，28（8）：A351—A358

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