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BY-NC-ND 3.0 license Open Access Published by De Gruyter Open Access December 30, 2016

Plastometric tests for plasticine as physical modelling material

  • Łukasz Wójcik , Konrad Lis and Zbigniew Pater
From the journal Open Engineering


This paper presents results of plastometric tests for plasticine, used as material for physical modelling of metal forming processes. The test was conducted by means of compressing by flat dies of cylindrical billets at various temperatures. The aim of the conducted research was comparison of yield stresses and course of material flow curves. Tests were made for plasticine in black and white colour. On the basis of the obtained experimental results, the influence of forming parameters change on flow curves course was determined. Sensitivity of yield stresses change in function of material deformation, caused by forging temperature change within the scope of 0&C ÷ 20&C and differentiation of strain rate for ˙ɛ = 0.563; ˙ɛ = 0.0563; ˙ɛ = 0.0056s−1,was evaluated. Experimental curves obtained in compression test were described by constitutive equations. On the basis of the obtained results the function which most favourably describes flow curves was chosen.


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Received: 2016-6-10
Accepted: 2016-8-5
Published Online: 2016-12-30

©2016 Ł. Wójcik et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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