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  • ASTM E 1951 : 2014

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Standard Guide for Calibrating Reticles and Light Microscope Magnifications

    Available format(s):  Hardcopy, PDF

    Superseded date:  19-11-2019

    Language(s):  English

    Published date:  15-12-2014

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring reticles.

    Scope - (Show below) - (Hide below)

    1.1This guide covers methods for calculating and calibrating microscope magnifications, photographic magnifications, video monitor magnifications, grain size comparison reticles, and other measuring reticles. Reflected light microscopes are used to characterize material microstructures. Many materials engineering decisions may be based on qualitative and quantitative analyses of a microstructure. It is essential that microscope magnifications and reticle dimensions be accurate.

    1.2The calibration using these methods is only as precise as the measuring devices used. It is recommended that the stage micrometer or scale used in the calibration should be traceable to the National Institute of Standards and Technology (NIST) or a similar organization.

    1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    General Product Information - (Show below) - (Hide below)

    Committee E 04
    Document Type Guide
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM E 883 : 2011 : R2017 Standard Guide for Reflected–Light Photomicrography
    ASTM E 1077 : 2014 Standard Test Methods for Estimating the Depth of Decarburization of Steel Specimens
    ASTM D 7416 : 2009 : R2015 Standard Practice for Analysis of In-Service Lubricants Using a Particular Five-Part (Dielectric Permittivity, Time-Resolved Dielectric Permittivity with Switching Magnetic Fields, Laser Particle Counter, Microscopic Debris Analysis, and Orbital Viscometer) Integrated Tester
    ASTM E 45 : 2018 : REV A Standard Test Methods for Determining the Inclusion Content of Steel
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