Effect of Ultrasonic Impact Treatment on Microstructure and Mechanical Properties of Commercial Purity Titanium

Rustam Hairullin; Anna Kozelskaya; Marina Kazachenok

doi:10.4028/www.scientific.net/KEM.685.330

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 685Effect of Ultrasonic Impact Treatment on...

Effect of Ultrasonic Impact Treatment on Microstructure and Mechanical Properties of Commercial Purity Titanium

Abstract:

The paper presents a study of the ultrasonic impact treatment effect on the microstructure and mechanical properties of commercial purity titanium (CP-Ti). The texture, residual stresses, the size of coherent scattering region, the thickness of plastic deformation layer and the microhardness of CP-Ti specimens subjected to ultrasonic impact treatment were studied. It was found that ultrasonic impact treatment of CP-Ti specimens resulted in severe plastic deformation of their surface layer. The plastic deformation caused twin and low angle boundary formation in the surface layer. The last-named led to a crystallographic texture change, a decrease in the size of coherent scattering region, an increase in compressive residual stresses and a growth of microhardness of the surface layer of titanium specimens.

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High Technology: Research and Applications 2015

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Periodical:

Key Engineering Materials (Volume 685)

Pages:

330-333

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.685.330

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Online since:

February 2016

Authors:

Rustam Hairullin*, Anna Kozelskaya, Marina Kazachenok

Keywords:

Commercial Purity Titanium, Microhardness, Microstructure, Plastic Deformation, Residual Stresses, Texture, Ultrasonic Impact Treatment

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References

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