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Rare Metals
Erschienen in: Rare Metals 11/2017

29.06.2016

Dependence of α-phase size on flow stress during dynamic recrystallization steady state in Ti60 alloy

verfasst von: Hui Li, Zhang-Long Zhao, Hong-Zhen Guo, Yong-Quan Ning, Ze-Kun Yao, Kai Li

Erschienen in: Rare Metals | Ausgabe 11/2017

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Abstract

The dependence of α-phase size on flow stress was characterized by a proposed kinetic model during dynamic recrystallization (DRX) steady state in Ti60 alloy. According to the isothermal compression tests, the influence of deformation parameters on the steady-state flow stress was analyzed and the constitutive equation was established to predict the steady-state flow stress under different deformation temperatures and strain rates. A power-law relationship between the DRX average grain size and steady-state flow stress with an exponent of −2 is obtained from the dynamic balance during DRX steady state. The effect of deformation parameters on α-phase size was observed through the microstructure after deformation, and the applicability of the model for Ti60 alloy was verified by the comparison between predicted and experimental data.
Nächster Artikel Tribological properties in seawater for Ti/TiCN coatings on Ti6Al4V alloy by arc ion plating with different carbon contents

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Metadaten
Titel
Dependence of α-phase size on flow stress during dynamic recrystallization steady state in Ti60 alloy
verfasst von
Hui Li
Zhang-Long Zhao
Hong-Zhen Guo
Yong-Quan Ning
Ze-Kun Yao
Kai Li
Publikationsdatum
29.06.2016
Verlag
Nonferrous Metals Society of China
Erschienen in
Rare Metals / Ausgabe 11/2017
Print ISSN: 1001-0521
Elektronische ISSN: 1867-7185
DOI
https://doi.org/10.1007/s12598-016-0761-0

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