Relationship between Thickness of Lamellar α+β Phase and Mechanical Properties of Titanium Alloy

Yan Wei Sui; Ai Hui Liu; Bang Sheng Li; Jing Jie Guo

doi:10.4028/www.scientific.net/AMR.311-313.1916

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 311-313Relationship between Thickness of Lamellar α+β...

Relationship between Thickness of Lamellar α+β Phase and Mechanical Properties of Titanium Alloy

Abstract:

Titanium alloy castings are made by means of induction melting technology. The relationships thickness of lamellar α+β phase and tensile strength, yield strength, elongation percentage, and Vickers-hardness, as well as the effect of tensile property on the Vickers-hardness are investigated for Ti-6Al-4V alloy castings. The results show that the relationships between thickness of lamellar α+β phase, and tensile strength, yield strength, specific elongation, and Vickers-hardness meet the Hall-Petch equation. And the tensile property increases linearly with Vickers-hardness.