Constitutive Model of Supper-Alloy IN625 Based on Extrusion Test

Zhong Tang Wang; Shi Hong Zhang; Ming Cheng; De Fu Li

doi:10.4028/www.scientific.net/AMR.314-316.819

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 314-316Constitutive Model of Supper-Alloy IN625 Based on...

Constitutive Model of Supper-Alloy IN625 Based on Extrusion Test

Abstract:

Abstract: It had been put forward that a new method to establish material constitutive model based on extrusion test, which was that the material constitutive model was determined with the Arrhenius equation according to the extrusion test data. The tube extruding test of supper-alloy Inconel625(IN625) had been done on 16300kN extrusion machine. According to the extrusion test data and the Arrhenius equation, it had been determined that the constitutive model of supper-alloy IN625 based on extrusion test, and the relative errors between calculation results of the model and experiment results are less than 7.8%. The suitable conditions of the constitutive model of supper-alloy IN625 are that the temperature being 1150°C～1200°C, and extrusion speed being 15～60mm/s, and strain-rate being 1.86～7.44.

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Periodical:

Advanced Materials Research (Volumes 314-316)

Pages:

819-822

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.314-316.819

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Online since:

August 2011

Authors:

Zhong Tang Wang, Shi Hong Zhang, Ming Cheng, De Fu Li

Keywords:

Constitutive Model, Extrusion Test, Inconel625, Supper-Alloy

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