TiN coating effect on the elastoplastic behaviour of Ti film for electron beam exit window

Research output: Contribution to journalArticle

Abstract

The paper theoretically and experimentally studies the effect of coating on elastoplastic behaviour of the exit window membrane of an electron accelerator under loading by atmospheric pressure and heating due to partial absorption of beam energy by membrane material. The study uses finite-element analysis of benchmark problems formulated within the theory of multi-layer plates and shells to determine the profile, maximum deflection and residual (plastic) strain depending on the properties of materials, thickness of membrane and coating and radiation power. The estimates satisfactorily agree with experimental data and particularly witness that thin (about 1 μm) TiN coating significantly reduces the elastoplastic strain of the titanium membrane and electron beam energy losses in it.

Original languageEnglish
Pages (from-to)356-362
Number of pages7
JournalVacuum
Volume143
DOIs
Publication statusPublished - 1 Sep 2017

Fingerprint

Electron beams
electron beams
membranes
Membranes
coatings
Coatings
atmospheric heating
electron accelerators
Titanium
Atmospheric pressure
Particle accelerators
deflection
Plastic deformation
Energy dissipation
atmospheric pressure
plastics
titanium
energy dissipation
Finite element method
Radiation

Keywords

  • Coating
  • Elastoplastic behaviour
  • Experiment
  • Modelling
  • Titanium membrane
  • Transmissivity

ASJC Scopus subject areas

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

TiN coating effect on the elastoplastic behaviour of Ti film for electron beam exit window. / Knyazeva, A. G.; Kushch, V. I.; Remnev, G. E.; Ezhov, V. V.; Smolyanskiy, E. A.

In: Vacuum, Vol. 143, 01.09.2017, p. 356-362.

Research output: Contribution to journalArticle

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