Microtexture Evolution of Titanium Alloy During Hot Deformation: For Better Understanding the Role of Primary α Grains

Zhao, Zibo; Zhang, B. H.; Wang, Q. J.; Sun, Hong; Yang, Junxiao; Liu, Y. J.; Liu, J. R.; Yang, Rui

doi:10.1007/s11661-023-07066-0

Cited by 8 publications

(2 citation statements)

References 37 publications

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“…As can be seen in Figure 7a, the microtexture of the H0-treated sample exhibited α-phase {1 0 −1 0}||RD fiber microtexture with relatively low intensity. The formation of this microtexture is closely associated with the extent of thermal deformation and the deformation temperature [27,28]. Following H1 heat treatment, the {1 0 −1 0}||RD microtexture became more pronounced, concurrently presenting a certain intensity of {0 0 0 1}||RD microtexture.…”

Section: Microtexture Evolutionmentioning

confidence: 99%

“…The microstructure of the heat-treated samples shifted from {1 0 −1 0}||RD fiber microtexture of the α-phase to {0 0 0 1}||RD, and this transformation resulted from certain grains altering their orientations during the heat treatment process. Previous studies [27,28,31,32] have shown that in titanium alloys, the microstructure changes and creates macroscopic zones after thermal deformation. In this study, no external force was introduced.…”

Section: Microstructure Changes After Heat Treatmentmentioning

confidence: 99%

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The Effect of Microstructure on the Very High Cycle Fatigue Behavior of Ti-6Al-4V Alloy

Yuan,

Zhao,

Yue

et al. 2024

Metals

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Crack initiation plays a major role in very high cycle fatigue (VHCF) life, and the initiation of cracks is related to slip behavior. There is a need for improvement in the understanding of the influence of Ti-6Al-4V microstructures on VHCF performance and crack initiation modes. In this study, through an investigation of Ti-6Al-4V VHCF in equiaxed and bimodal microstructures, two different crack initiation modes were identified. The change in crack initiation mode is related to the variation in microtexture, for which a corresponding model is proposed. The VHCF performance of the bimodal microstructure is significantly improved compared to that of the equiaxed microstructure.

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Section: Microtexture Evolutionmentioning

confidence: 99%