MNL46

    Special Methods for Hardness Testing

    Published: Jan 2007

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    Abstract

    SPECIAL HARDNESS TESTING PROCEDURES INCLUDE THE MARTENS scratch hardness determination as well as the Mohs scratch hardness. In the Martens procedure, a specimen surface under a specified test force is scratched by a diamond cone with a 90-deg apical angle. The test force F is varied until a scratch width of 10 μm is microscopically measured. In this way, a particular scratch hardness value can be attributed to the specimen.

    Keywords:

    Metallography, Materialography, Preparation methods, Sample preparation, Mechanical polishing, Electrolytic polishing, Cutting, Sectioning, Hot mounting, Cold mounting, Grinding, Polishing, Polishing artifact, Etching, Microscope, Quantitative metallography, Stereology, Vickers hardness, Quality control, Microstructure


    Paper ID: MNL11203M

    Committee/Subcommittee: E04.05

    DOI: 10.1520/MNL11203M


    CrossRef ASTM International is a member of CrossRef.

    ISBN10: 0-8031-4265-X
    ISBN13: 978-0-8031-4265-7