FLOW STRESS MODEL FOR HARD MACHINING OF AISI H13 WORK TOOL STEEL
来源期刊：Acta Metallurgica Sinica2005年第6期
论文作者：J. Hua H. Yan R. Shivpuri
Key words：flow stress model; hard machining; AISI H13 work tool steel;
Abstract: An approach is presented to characterize the stress response of workpiece in hard machining,accounted for the effect of the initial workpiece hardness, temperature, strain and strain rate on flow stress. AISI H13 work tool steel was chosen to verify this methodology. The proposed flow stress model demonstrates a good agreement with data collected from published experiments.Therefore, the proposed model can be used to predict the corresponding flow stress-strain response of AISI H13 work tool steel with variation of the initial workpiece hardness in hard machining.
J. Hua1，H. Yan2，R. Shivpuri1
(1.The Ohio State University, Columbus, OH 43210, USA;
2.School of Mechanical-Electrical Engineering, Nanchang University, Nanchang 330029,China)
Abstract:An approach is presented to characterize the stress response of workpiece in hard machining,accounted for the effect of the initial workpiece hardness, temperature, strain and strain rate on flow stress. AISI H13 work tool steel was chosen to verify this methodology. The proposed flow stress model demonstrates a good agreement with data collected from published experiments.Therefore, the proposed model can be used to predict the corresponding flow stress-strain response of AISI H13 work tool steel with variation of the initial workpiece hardness in hard machining.
Key words:flow stress model; hard machining; AISI H13 work tool steel;
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