Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Simulation and Experimental Study of Hot Deformation Behavior in Near β Phase Region for the TC21 Alloy with a Forged Structure

Version 1 : Received: 11 September 2023 / Approved: 12 September 2023 / Online: 13 September 2023 (10:33:47 CEST)

A peer-reviewed article of this Preprint also exists.

Ji, X.; Tian, Q.; Tan, Y.; Huang, C.; Wan, M.; Li, R. Simulation and Experimental Study of Hot Deformation Behavior in Near β Phase Region for TC21 Alloy with a Forged Structure. Crystals 2023, 13, 1524. Ji, X.; Tian, Q.; Tan, Y.; Huang, C.; Wan, M.; Li, R. Simulation and Experimental Study of Hot Deformation Behavior in Near β Phase Region for TC21 Alloy with a Forged Structure. Crystals 2023, 13, 1524.

Abstract

The quasi-beta processing was considered as a promising processing technology to obtain a component with an excellent mechanical properties. To achieve an optimized quasi-beta processing parameter of TC21 alloy, the hot deformation behavior in near β phase region for the alloy with a forged structure was investigated by the thermal compression test and finite element (FEM) simulation. The obtained results indicated that the flow behavior of the samples was significantly influenced by the hot deformation parameters and it exhibited a flow hardening behavior at the start stage of deformation. Based on the experimental data, the constitutive equation and processing maps were obtained. The optimum hot processing parameters was 986℃/10^-3s^-1. Based on the FEM simulation results, the evolution of temperature field, strain field and stress field in the deformed samples at different strains exhibited a similar trend in the unstable region, which distributed symmetrically along the center line of the samples, and the center area of the samples was the highest and the center area of the section was the lowest.

Keywords

TC21 alloy; Hot compression; FEM simulation; Flow behavior; Processing map

Subject

Chemistry and Materials Science, Metals, Alloys and Metallurgy

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