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Fibre reinforced refractory castables : an alternative solution for SPF die manufacturing

Abstract : Today heat resistant cast steels are the nominal solution for Ti-SPF forming die manufacturing. Nevertheless, this materials present some drawbacks related to delivery time and cost. A fibre reinforced refractory castable (FRRC) is proposed as a new solution for prototype SPF die manufacturing. Due to the general brittleness of refractory castables, a short fibre reinforcement has been investigated in order to avoid catastrophic failure during the forming process. General macroscopic behavior of such materials is very complex and presents large evolutions with the testing temperature. The paper addresses the important benefits of the reinforcement for refractory castable in the case of loading on a complex structure. The capability of the material to support several cracks is shown in the case of a technological sample with a complex shape.
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Submitted on : Thursday, February 22, 2018 - 9:08:19 AM
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Gérard Bernhart, F. Nazaret, Thierry Cutard. Fibre reinforced refractory castables : an alternative solution for SPF die manufacturing. ICSAM 2006 - 9th International conference on superplasticity in advanced materials, Jun 2006, Chengdu, China. pp.37-42, ⟨10.4028/⟩. ⟨hal-01714932⟩



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