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Mechanical Tests and Construction of Analytical Models of the Behavior of Materials Under Superplastic Conditions. Part II*

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Metallurgist Aims and scope

Different test methods are described to determine the mechanical properties of materials in the superplastic state. The flow stress depends on strain and strain rate, the structural parameter of the materials, and temperature. The rheology and mechanics of superplastic deformation are discussed. The methods have been checked for reliability and produced good results in testing titanium alloys and constructing mathematical models as part of an order submitted by the company EADS (Airbus). The information given on the test methods and the subsequent approximation of materials’ mechanical properties is of considerable interest for making reliable predictions of the deformation of materials during shaping operations.

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Authors and Affiliations

  1. National Research University – Higher School of Economics, Moscow, Russia

    E. N. Chumachenko & I. V. Logashina

  2. National University of Science and Technology MISiS, Moscow, Russia

    V. K. Portnoi

Authors
  1. E. N. Chumachenko
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  2. V. K. Portnoi
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  3. I. V. Logashina
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Corresponding author

Correspondence to V. K. Portnoi.

Additional information

For Part I see Metallurgist, No. 12, 1105–1109 (2014).

(Deceased) E. N. Chumachenko

Translated from Metallurg, No. 1, pp. 76–81, January, 2015.

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Chumachenko, E.N., Portnoi, V.K. & Logashina, I.V. Mechanical Tests and Construction of Analytical Models of the Behavior of Materials Under Superplastic Conditions. Part II* . Metallurgist 59, 69–75 (2015). https://doi.org/10.1007/s11015-015-0062-0

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  • DOI: https://doi.org/10.1007/s11015-015-0062-0

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