High dose and intense implantation of the multiply charged ions Al+n, Ti+n and C+n into alfa-iron

A. D. Pogrebnjak, O. G. Bakharev, V. A. Martynenko, V. A. Rudenko, R. Brusa, A. Zecca, R. Oechsner, H. Ryssel, I. A. Tikhomirov, A. I. Ryabchikov

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The paper presents experimental results on the modification process in α-Fe surface layers after high-dose implantation. Slow positron beam, conversion Mossbauer spectroscopy, resonance nuclear reactions, measurements of microhardness, non-lubricated friction wear and friction coefficient in wear have been used. The relation of physico-chemical changes and defect structure to changes in operation characteristics of the modified and implanted α-Fe layer has been shown. Ti clusters and small dispersion carbides are formed in the surface of α-Fe after implantation, which increases microhardness and decreases the wear and friction coefficient by a factor of 2.5. Ordered phase Fe3Al, which undergoes partial amorphization with increasing dose is produced as a result of Al implantation. This also decreases wear and increases microhardness. The implantation of C ions did not show decreased wear even in the case of 8 × 1017 cm-2doses, though increased microhardness was found.

Original languageEnglish
Pages (from-to)81-90
Number of pages10
JournalNuclear Inst. and Methods in Physics Research, B
Volume94
Issue number1-2
DOIs
Publication statusPublished - 1994

Fingerprint

Ion implantation
implantation
Iron
Microhardness
microhardness
Wear of materials
Ions
iron
dosage
Friction
ions
coefficient of friction
Nuclear reactions
Amorphization
Defect structures
Positrons
Mossbauer spectroscopy
coefficients
nuclear reactions
carbides

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Instrumentation
  • Surfaces and Interfaces

Cite this

High dose and intense implantation of the multiply charged ions Al+n, Ti+n and C+n into alfa-iron. / Pogrebnjak, A. D.; Bakharev, O. G.; Martynenko, V. A.; Rudenko, V. A.; Brusa, R.; Zecca, A.; Oechsner, R.; Ryssel, H.; Tikhomirov, I. A.; Ryabchikov, A. I.

In: Nuclear Inst. and Methods in Physics Research, B, Vol. 94, No. 1-2, 1994, p. 81-90.

Research output: Contribution to journalArticle

Pogrebnjak, AD, Bakharev, OG, Martynenko, VA, Rudenko, VA, Brusa, R, Zecca, A, Oechsner, R, Ryssel, H, Tikhomirov, IA & Ryabchikov, AI 1994, 'High dose and intense implantation of the multiply charged ions Al+n, Ti+n and C+n into alfa-iron', Nuclear Inst. and Methods in Physics Research, B, vol. 94, no. 1-2, pp. 81-90. https://doi.org/10.1016/0168-583X(94)95660-X
Pogrebnjak, A. D. ; Bakharev, O. G. ; Martynenko, V. A. ; Rudenko, V. A. ; Brusa, R. ; Zecca, A. ; Oechsner, R. ; Ryssel, H. ; Tikhomirov, I. A. ; Ryabchikov, A. I. / High dose and intense implantation of the multiply charged ions Al+n, Ti+n and C+n into alfa-iron. In: Nuclear Inst. and Methods in Physics Research, B. 1994 ; Vol. 94, No. 1-2. pp. 81-90.
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AB - The paper presents experimental results on the modification process in α-Fe surface layers after high-dose implantation. Slow positron beam, conversion Mossbauer spectroscopy, resonance nuclear reactions, measurements of microhardness, non-lubricated friction wear and friction coefficient in wear have been used. The relation of physico-chemical changes and defect structure to changes in operation characteristics of the modified and implanted α-Fe layer has been shown. Ti clusters and small dispersion carbides are formed in the surface of α-Fe after implantation, which increases microhardness and decreases the wear and friction coefficient by a factor of 2.5. Ordered phase Fe3Al, which undergoes partial amorphization with increasing dose is produced as a result of Al implantation. This also decreases wear and increases microhardness. The implantation of C ions did not show decreased wear even in the case of 8 × 1017 cm-2doses, though increased microhardness was found.

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