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The residual stresses of FeBSi-type in an ingot mould

I. AŞTEFĂNOAEI1,* , D. RADU1, H. CHIRIAC2

Affiliation

  1. “Al.I. Cuza” University, Carol I Blvd., 11, 700506, Iasi, Romania
  2. National Institute of Research and Development for Technical Physics,47 Mangeron Blvd., 700050 Iasi, Romania

Abstract

In this paper we analysed the internal residual stresses that appear during the rapid cooling of a FeBSi-type alloy, lain in the interior channel of an ingot mould whose exterior walls are maintained at the room temperature. The theoretical model presented in the paper emphasizes in a complete and synthetical manner, the spatio-temporal distribution of the induced stresses in a FeBSi-type alloy during its cooling to the room temperature, taking into account both the thermal behaviour of the alloy and the supplementary stresses induced by the ingot-mould, as a result of the difference between the thermal expansion coefficients of the two materials in contact..

Keywords

Residual stresses, Ingot-mould, Thermal gradients.

Submitted at: Sept. 6, 2006
Accepted at: Sept. 13, 2006

Citation

I. AŞTEFĂNOAEI, D. RADU, H. CHIRIAC, The residual stresses of FeBSi-type in an ingot mould, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 5, pp. 1736-1740 (2006)