Characterization of (α+β)/β Transformation in a TC11 Titanium Alloy

Abstract:

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(α+β)/β phase transformation temperature of a TC11 titanium alloy was confirmed to be 1035°C, which was obtained by three methods including the calculation method, differential scanning calorimetry and metallographic techniques. Based on this result, annealing treatments below and above the (α+β)/β phase transformation temperature were carried out, and the microstructure of the TC11 alloys before and after annealing treatment was analyzed by SEM. The result showed that conventional annealing below 1035°C does not change the Widmanstaten structure of TC11 alloy, though the thickness of α lamellar structure becomes thicker with increasing the annealing temperature. The microstructure of the TC11 alloy treated by annealing above the α+β/β transformation temperature is non-uniform because of the different forming temperature and growing duration of α phase in the TC11 alloy.

Info:

Periodical:

Solid State Phenomena (Volume 127)

Edited by:

Masaaki Naka

Pages:

91-96

DOI:

10.4028/www.scientific.net/SSP.127.91

Citation:

L. Geng et al., "Characterization of (α+β)/β Transformation in a TC11 Titanium Alloy", Solid State Phenomena, Vol. 127, pp. 91-96, 2007

Online since:

September 2007

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Price:

$35.00

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