What does this research mean for the field?

Controlling the cooling rate during β annealing to 2.5 °C/min introduces a Widmanstätten structure in Ti55531 titanium alloy that overcomes the traditional strength-toughness trade-off, achieving a tensile strength of 1252 MPa and a fracture toughness of 84 MPa·m1/2. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to investigate how cooling rate during β annealing affects the microstructure and mechanical properties of Ti55531 titanium alloy.

April 11, 2026MaterialsOpen Access

Influence of Cooling Rate During β Annealing on the Microstructure and Properties of Ti55531 Titanium Alloy

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The aim is to investigate how cooling rate during β annealing affects the microstructure and mechanical properties of Ti55531 titanium alloy.
Controlled cooling rate during β annealing heat treatment
Microstructural analysis of the Ti55531 alloy
Evaluation of tensile strength, elongation, and fracture toughness
Achieved tensile strength of 1252 MPa at a cooling rate of 2.5 °C/min
Improved elongation to 9% and fracture toughness to 84 MPa·m1/2
Introduced a Widmanstätten structure that enhanced fracture toughness by resisting crack propagation

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Implication

Demonstrates how controlling cooling rate during annealing improves strength and toughness in a titanium alloy, suggesting better aerospace applications.

Cite This Study

Yuan et al. (2026) studied this question.

synapsesocial.com/papers/69d9e58f78050d08c1b75ba3 https://doi.org/10.3390/ma19081486

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Implication

Demonstrates how controlling cooling rate during annealing improves strength and toughness in a titanium alloy, suggesting better aerospace applications.

Influence of Cooling Rate During β Annealing on the Microstructure and Properties of Ti55531 Titanium Alloy

Key Points

Discussion

Implication

Cite This Study

Influence of Cooling Rate During β Annealing on the Microstructure and Properties of Ti55531 Titanium Alloy

Key Points

Discussion

Implication

Cite This Study

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