Microstructure and mechanical properties of CP-Ti subjected to UIT

R. R. Hairullin, A. I. Kozelskaya, A. V. Panin, M. S. Kazachenok

Research output: Contribution to journalArticle

Abstract

The ultrasonic impact treatment (UIT) effect on microstructure and mechanical properties of commercial purity titanium (CP-Ti) was studied. The microstrucrure was investigated by X-ray diffraction analysis and optical profilometer New View 6200. The microhardness of CP-Ti specimens was measured by microhardness tester with the Vickers pyramid. It was found that UIT of CP-Ti specimens led to severe plastic deformation of surface layer with a thickness equals to 120 μm. This was accompanied by an increase in compressive residual stresses, a growth of the microhardness, a crystallographic texture change and a rise of density of deformation twins in surface layers of titanium specimens. It was shown that the deformation twins play a determining role in microstructure and mechanical properties changes of the surface layer of titanium specimens.

Original languageEnglish
Article number012050
JournalIOP Conference Series: Materials Science and Engineering
Volume93
Issue number1
DOIs
Publication statusPublished - 13 Oct 2015

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Titanium
Ultrasonics
Mechanical properties
Microstructure
Microhardness
Compressive stress
X ray diffraction analysis
Residual stresses
Plastic deformation
Textures

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)

Cite this

Microstructure and mechanical properties of CP-Ti subjected to UIT. / Hairullin, R. R.; Kozelskaya, A. I.; Panin, A. V.; Kazachenok, M. S.

In: IOP Conference Series: Materials Science and Engineering, Vol. 93, No. 1, 012050, 13.10.2015.

Research output: Contribution to journalArticle

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