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Tribotechnical parameters for materials made from mixtures of iron and cast-iron powders

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Soviet Powder Metallurgy and Metal Ceramics Aims and scope

Conclusions

A model has been proposed for a particular type of cast-iron powder, which relates the structure to the friction and wear.

Sintering temperatures of 1100–1250°C alter the structure considerably and influence the antifriction behavior, particularly for dry friction; the inherited heterogeneity is completely disrupted by sintering only at 1250°C, which adversely affects wear resistance even if the structure is inhomogeneous at the intraparticle level.

A structure containing inclusions of cementite and carbide type against the background of an elastoplastic pearlite matrix is not viable in dry friction under loads of 6 MPa or more; to improve the load capacity, it is recommended that additional heat treatment should be given to produce a martensite structure in the matrix and retain the carbide inclusions.

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Literature cited

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  5. A. T. Mamedov and A. A. Guliev, “Preparing powders from cast-iron turnings and the preparation of components from them. Part II. Powder component preparation, structure, and properties,” ibid., No. 9, 4–8 (1989).

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Authors and Affiliations

  1. Bakkonditsioner Cooperative and Novocherkassk Polytechnical Institute, USSR

    Yu. G. Dorofeev, A. T. Mamedov & A. A. Guliev

Authors
  1. Yu. G. Dorofeev
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  2. A. T. Mamedov
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  3. A. A. Guliev
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Translated from Poroshkovaya Metallurgiya, No. 3 (339), pp. 77–83, March, 1991.

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Dorofeev, Y.G., Mamedov, A.T. & Guliev, A.A. Tribotechnical parameters for materials made from mixtures of iron and cast-iron powders. Powder Metall Met Ceram 30, 236–240 (1991). https://doi.org/10.1007/BF00794915

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  • DOI: https://doi.org/10.1007/BF00794915

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