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Abstract：
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HMN59\|2\|1 is one of the main alloy using in the synchronal gears of the cars.The purpose of this paper is to investigate the numerical relation in details between the thermal mechanical parameteres of forging(strain rate,deformation temperature, strain) and the flow stress of HMN59\|2\|1 alloy by experimental simulation on Gleeble\|1500 machine, and through the true σ ε curves to regress the constituve equation scientifically that reflect how the thermal mechanical parameteres influence the forming of material. It is the foundation of numerical simulation of forging of the HMN59\|2\|1 alloy and controling the themal machanistic parameter of forging with reason.
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Reference：
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1 AWAHEED等著,谢世英译几种高强度黄铜的显微组织与磨损性能铜加工,1996
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4 毛卫民,赵新兵金属的再结晶与晶粒长大北京:冶金工业出版社,1994
5 汪荣鑫数理统计西安:西安交通大学出版社,1986
6 [日]田村今男等著王国栋等译高强度低合金钢的控制轧制与控制冷却北京:冶金工业出版社,1992
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