Geometric effect of ion nitriding on the nitride growth behavior in hollow tube

  • 63 Accesses

  • 4 Citations


The growth behavior of the nitride layer inside a long hollow tube with an intricate geometry was studied to find a way to enhance the uniformity of the nitride layer. The inner surface of steel tube of 30- mm inner diameter was machined to have corrugation depths ranging from 0.65 to 3.90 mm and corrugation widths from 1.10 to 13.2 mm. After the specimens were ion nitrided at 525 ° for 10 hr in 2.5 torr operating pressure, the thickness of the compound layer and the diffusion layer on the land and the groove was measured and analyzed according to corrugation depth and width. As the corrugation becomes deeper, the thickness of the compound layer on the land increases and that of the layer on the groove decreases. The thickness of the diffusion layer on the land and the groove depicts a similar tendency to that of the compound layer. As the corrugation becomes wider, the compound layer thickness on the land decreases and that of the layer on the groove increases to the contrary. Thickness variations in the diffusion layer on the land and the groove resemble those of the compound layer. The nitride growth characteristics on the corrugated geometry in ion nitriding was discussed in view of Hollow Cathode Discharge (HCD) effect, nitrogen concentration, and the probability of compound adsorption.

This is a preview of subscription content, log in to check access.

Access options

Buy single article

Instant unlimited access to the full article PDF.

US$ 39.95

Price includes VAT for USA

Subscribe to journal

Immediate online access to all issues from 2019. Subscription will auto renew annually.

US$ 408

This is the net price. Taxes to be calculated in checkout.


  1. 1.

    A. Fry, Stickstoff in Eisen,Stahl Und Sonderstahl Kruppshe Montaschefte, 43, 137 (1923).

  2. 2.

    A.M. Stainess and T. Bell, Technological Importance of Plasma- Induced Nitrided and Carburized Layers on Steel,Thin Solid Film,86, 201 (1981).

  3. 3.

    J.J. Egan, U.S. Patent No. 1837256(1931).

  4. 4.

    B. Edenhofer, Production Ionitriding,Met. Prog., 109, 38 (1976).

  5. 5.

    A.U. Seybolt, The Observations on the Metallurgy of Ion Nitrid- ing,Trans. Metall. Soc. AIME, 245, 769 (1969).

  6. 6.

    V.A. Phillips and A.U. Seybolt, A Transmission Electron Micro- scope Study of Some Ion-Nitrided Binary Iron Alloys and Steels,Trans. Metall. Soc. AIME, 242, 2415 (1968).

  7. 7.

    B. Edenhofer, Physical and Metallurgical Aspects of Ionitriding,Heat Treatment of Metals,I, 23 (1974).

  8. 8.

    C.K. Jones, S.W. Martin, D.J. Sturges, and M. Hudis, Ion Nitrid- ing,Heat Treatment 1973, the Metals Society, London, 71 (1975).

  9. 9.

    F. Hombeck, Scientific and Economic Aspects of Plasma Nitriding,Heat Treatment Shanghai ’83, the Metals Society (1984).

  10. 10.

    H. Wilhelmi, S. Straemke, and H.C. Pohl, Nitreiren mit gepulster Glimmentladung,Härt.-Tech.Mitt.,37,263 (1982).

  11. 11.

    R. Gruen, Pulse Plasma Treatment, The Innovation for Ion Nitrid- ing,International Conference on Ion Nitriding, American Soci- ety for Metals, 143(1986).

  12. 12.

    S.C. Kwon, G.H. Lee, and M.C. Yoo, Comparative Study of Pulsed and dc Ion Nitriding Behavior in Specimens with Blind Holes,International Conference on Ion Nitriding, American So- ciety for Metals, 77, (1986).

  13. 13.

    P.C. Jindal, Ion Nitriding of Steels,J. Vac. Technol., 15, 313 (1978).

Download references

Author information

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Kwon, S.C., Park, M.J., Baek, W.S. et al. Geometric effect of ion nitriding on the nitride growth behavior in hollow tube. JMEP 1, 353–358 (1992).

Download citation


  • Diffusion Layer
  • Hollow Cylinder
  • Compound Layer
  • Nitride Layer
  • Nitriding Process