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Effect of Porosity on the Mechanical Properties of Sintered Nickel Steels
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1969 by SAE International in United States
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All mechanical properties of powder metallurgy (P/M) materials, including sintered nickel steels, are direct functions of sintered density or its inverse, porosity. Mechanical properties, such as tensile strength, ductility, impact strength, and fatigue limit, are dependent on sintered density, alloy content, and heat treatment. Other properties, such as the modulus of elasticity and Poisson’s ratio, are solely functions of sintered density. Sintered nickel steel with less than 8% porosity can be case carburized. Case hardening improves the smooth and notched fatigue limit of high density sintered nickel steels.
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CitationKravic, A., "Effect of Porosity on the Mechanical Properties of Sintered Nickel Steels," SAE Technical Paper 690236, 1969, https://doi.org/10.4271/690236.
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