VIBRATION FATIGUE CHARACTERISTICS OF TITANIUM ALLOY TC6 WITH VARIOUS MICROSTRUCTURES

Tao Chunhu; Zhang Shaoqing

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Journal of Aeronautical Materials ›› 1989, Vol. 9 ›› Issue (2) : 32-38.

VIBRATION FATIGUE CHARACTERISTICS OF TITANIUM ALLOY TC6 WITH VARIOUS MICROSTRUCTURES

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Abstract

The vibration fatigue characteristics of TC6 titanium alloy with Widmanstatten, basket-weave, equiaxed and duplex microstructures have been studied. The duplex microstructure has the excellent vibration fatigue properties and the others have approximately the same fatigue life. The precipitation of Ti3Al phase has been found in Widmanstatten, basket-weave and equiaxed microstructures. The fatigue crack propagation paths and the deformation characteristics around fatigue crack tips were examined.

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Tao Chunhu, Zhang Shaoqing. VIBRATION FATIGUE CHARACTERISTICS OF TITANIUM ALLOY TC6 WITH VARIOUS MICROSTRUCTURES[J]. Journal of Aeronautical Materials, 1989, 9(2): 32-38

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