The effect of powerful pulsed ion beam treatment on physical and chemical state of surface layers and fatigue strength of EP 718 ID alloy

V. A. Shulov, G. E. Remnev, V. A. Koshcheev, E. V. Fedorova, I. F. Isakov, I. G. Karpova

Research output: Contribution to journal › Article

Abstract

With the purpose to increase exploitation characteristics an effect of nanosecond powerful ion beam treatment regimes on physical and chemical state of surface layers and fatigue strength of samples and articles (compressor blades of gas-turbine engine) made of EP718ID nickel alloy has been investigated. Fatigue life of the alloy is shown to be able to be increased by 20% using irradiation (under not very high current densities about 60 A/cm2) and finishing heat treatment. Suppression of cavitation mechanisms under high current densities will make it possible to achieve even higher hardening of articles surface layers by means of the treatment under current densities of 100-200 A/cm2.

Original languageEnglish
Pages (from-to)28-35
Number of pages8
JournalFizika i Khimiya Obrabotki Materialov
Issue number6
Publication statusPublished - Nov 1992

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Ion beams
Current density
Nickel alloys
Cavitation
Turbomachine blades
Gas turbines
Hardening
Compressors
Turbines
Heat treatment
Irradiation
Fatigue of materials
Fatigue strength

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

The effect of powerful pulsed ion beam treatment on physical and chemical state of surface layers and fatigue strength of EP 718 ID alloy. / Shulov, V. A.; Remnev, G. E.; Koshcheev, V. A.; Fedorova, E. V.; Isakov, I. F.; Karpova, I. G.

In: Fizika i Khimiya Obrabotki Materialov, No. 6, 11.1992, p. 28-35.

Research output: Contribution to journal › Article

Shulov, VA, Remnev, GE, Koshcheev, VA, Fedorova, EV, Isakov, IF & Karpova, IG 1992, 'The effect of powerful pulsed ion beam treatment on physical and chemical state of surface layers and fatigue strength of EP 718 ID alloy', Fizika i Khimiya Obrabotki Materialov, no. 6, pp. 28-35.
Shulov VA, Remnev GE, Koshcheev VA, Fedorova EV, Isakov IF, Karpova IG. The effect of powerful pulsed ion beam treatment on physical and chemical state of surface layers and fatigue strength of EP 718 ID alloy. Fizika i Khimiya Obrabotki Materialov. 1992 Nov;(6):28-35.
Shulov, V. A. ; Remnev, G. E. ; Koshcheev, V. A. ; Fedorova, E. V. ; Isakov, I. F. ; Karpova, I. G. / The effect of powerful pulsed ion beam treatment on physical and chemical state of surface layers and fatigue strength of EP 718 ID alloy. In: Fizika i Khimiya Obrabotki Materialov. 1992 ; No. 6. pp. 28-35.
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AU - Fedorova, E. V.

AU - Isakov, I. F.

AU - Karpova, I. G.

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