Protection of iron powder by heavy-metal azelates

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1966 English Publisher:Springer Science and Business Media LLCJournal:Soviet Powder Metallurgy and Metal Ceramics, volume 5, pages 606-609 (issn: 0038-5735, eissn: 1573-9066,

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Authors: A. P. Brynza; N. A. Kormshchikova;

doi: 10.1007/bf01140031

Protection of iron powder by heavy-metal azelates

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Abstract

1. A method is proposed for protecting iron powder against atmospheric corrosion by impregnating it with lead, zinc, calcium or barium azelate. 2. It was established that the protective effect of heavy-metal azelates is due to their hydrophobizing effect. 3. Treatment of iron powder with azelates improves the distribution of its grain sizes by reducing the content of the fine fractions. 4. Under the same test conditions, hexamethylenediamine and triethanolamine oleates and sodium benzoate have a protective effect for only a brief period.

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