Modification of a hard alloy cermet structure upon pulsed electron-ion-plasma irradiation

V. E. Ovcharenko, Yu F. Ivanov, K. V. Ivanov, A. A. Mohovikov, Xu Yun Hua, Lisheng Zhong, Yu Bao Hai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A comparative analysis is performed for experimental data on the nature of the structural-phase states formed in the surface layer of a hard alloy with a high content (90%) of the ceramic component under pulsed electron-beam irradiation in the plasmas of inert gases with different values of ionization energy and atomic mass, as well as on the influence of formed structural phase states on the resistance of the hard alloy surface layer in metal cutting. It is shown that the efficiency of pulsed electron-ion-plasma irradiation as a method for the nanostructurization of a ceramic component in the surface layers of hard alloys depends on the ionization energy and atomic mass values of the plasma-forming gas. Decreasing ionization energy and increasing atomic mass of the plasma-forming gas causes an acceleration of the dissolution of the ceramic component in the melt of a metal binder, and an accelerated dispersion of ceramic particles to a nanosized scale occurs. The nanostructurization of the ceramic component in the surface layer results in a 1.5-fold increase in the resistance of hard alloy plates in the course of metal cutting.

Original languageEnglish
Pages (from-to)786-790
Number of pages5
JournalInorganic Materials: Applied Research
Volume7
Issue number5
DOIs
Publication statusPublished - 1 Sep 2016

Fingerprint

Cermet Cements
Ionization potential
Irradiation
Ions
Plasmas
Metal cutting
Electrons
Gases
Noble Gases
Inert gases
Binders
Electron beams
Dissolution
Metals

Keywords

  • atomic mass
  • ceramic component
  • cermet structure
  • ionization energy
  • nanostructurization
  • plasma-forming gas
  • pulsed electron-ion irradiation

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

Modification of a hard alloy cermet structure upon pulsed electron-ion-plasma irradiation. / Ovcharenko, V. E.; Ivanov, Yu F.; Ivanov, K. V.; Mohovikov, A. A.; Hua, Xu Yun; Zhong, Lisheng; Hai, Yu Bao.

In: Inorganic Materials: Applied Research, Vol. 7, No. 5, 01.09.2016, p. 786-790.

Research output: Contribution to journalArticle

Ovcharenko, V. E. ; Ivanov, Yu F. ; Ivanov, K. V. ; Mohovikov, A. A. ; Hua, Xu Yun ; Zhong, Lisheng ; Hai, Yu Bao. / Modification of a hard alloy cermet structure upon pulsed electron-ion-plasma irradiation. In: Inorganic Materials: Applied Research. 2016 ; Vol. 7, No. 5. pp. 786-790.
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