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Physics of the Solid State

, Volume 60, Issue 12, pp 2358–2362 | Cite as

Strength of the Ti–6Al–4V Titanium Alloy under Conditions of Impact and Short Pulse Loading

  • A. D. EvstifeevEmail author
  • Yu. V. Petrov
  • N. A. Kazarinov
  • R. R. Valiev
METALS
  • 5 Downloads

Abstract

The strength and resistance of the Ti–6Al–4V titanium alloy to solid particle erosion have been studied in as-delivered state and after the equal-channel angular pressing. The ultrafine-grained material and the initial material have been tested for dynamic tension using an Instron drop tower testing machine and an aerodynamic setup for erosion testing with corundum particles as an abrasive material. Despite a substantial increase in the static strength properties, the ultrafine-grained material demonstrates the properties similar to those of the initial material under dynamic loads, which, in turn, has been analyzed based on a structural–temporal approach using the incubation time criterion.

Notes

ACKNOWLEDGMENTS

This work was supported by the Russian Science Foundation (no. 17-79-10145). N.A. Kazarinov and R.R. Valiev are grateful to the project of the Enterprise 3 of SPbGU (id: 26130576) for preparation of Section 2. The experimental studies were carried out using the equipment of the laboratory “Mechanics of advanced bulk nanomaterials for innovation engineering applications,” of SPbGU, the Resource Centers of Scientific Park of SPbGU “Investigation of extreme states of materials and constructions” and “X-ray diffraction methods of studies.”

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • A. D. Evstifeev
    • 1
    Email author
  • Yu. V. Petrov
    • 1
    • 2
  • N. A. Kazarinov
    • 1
  • R. R. Valiev
    • 1
    • 3
  1. 1.St. Petersburg State UniversitySt. PetersburgRussia
  2. 2.Institute of Problems of Mechanical Engineering, Russian Academy of SciencesSt. PetersburgRussia
  3. 3.Ufa State Aviation Technical UniversityUfaRussia

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