ASTM B212 - 17

    Стандартный метод испытания для определения объемной плотности свободнотекучих металлопорошков с использованием прибора Холла

    Active Standard ASTM B212 Developed by Subcommittee: B09.02

    Book of Standards Volume: 02.05


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    Significance and Use

    5.1 This test method provides a guide for evaluation of an important physical characteristic of a powder known as the apparent density. The measured apparent density bears a relationship to the mass of powder that will fill a fixed volume die cavity. The degree of correlation between the results of this test and the performance of powders during use may vary with each particular application. Note, however, that the presence of moisture, oils, stearic acid, stearates, waxes, and the temperature of the powder mass may alter the physical characteristics of the powder.