ASTM E1382 - 97(2015) - Standard Test Methods for Determining Average Grain Size Using Semiautomatic and Automatic Image Analysis

ASTM E1382 - 97(2015)

Standard Test Methods for Determining Average Grain Size Using Semiautomatic and Automatic Image Analysis

Status : Current   Published : October 2015

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1.1 These test methods are used to determine grain size from measurements of grain intercept lengths, intercept counts, intersection counts, grain boundary length, and grain areas.

1.2 These measurements are made with a semiautomatic digitizing tablet or by automatic image analysis using an image of the grain structure produced by a microscope.

1.3 These test methods are applicable to any type of grain structure or grain size distribution as long as the grain boundaries can be clearly delineated by etching and subsequent image processing, if necessary.

1.4 These test methods are applicable to measurement of other grain-like microstructures, such as cell structures.

1.5 This standard deals only with the recommended test methods and nothing in it should be construed as defining or establishing limits of acceptability or fitness for purpose of the materials tested.

1.6  This 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.

1.7 The sections appear in the following order:

[This table has been removed.]




Standard NumberASTM E1382 - 97(2015)
TitleStandard Test Methods for Determining Average Grain Size Using Semiautomatic and Automatic Image Analysis
StatusCurrent
Publication Date01 October 2015
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors ALA grain size, Anisotropy index, Area fraction, ASTM grain size number, Austenite grains, Automatic image analysis, Calibration, Chord length, Confidence level, Digitizing tablet, Duplex grain structures, Equiaxed grains, Etchant, Ferrite grains, Grain boundary, Grains, Grain size, Intercept length, Intersection count, Magnification, Non-equiaxed grains, Polycrystalline, Prior-austenite grain boundaries, Relative accuracy, Semiautomatic image analysis, Skeletonization, Standard deviation, Twin boundary, Watershed segmentation.
ICS19.120
PublisherASTM
FormatA4
DeliveryYes
Pages24
File Size889 KB
Price£58.00


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