ASTM-E768 › Historical Revision Information
Standard Guide for Preparing and Evaluating Specimens for Automatic Inclusion Assessment of Steel
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Scope
1.1 This guide² covers two preparation methods for steel metallographic specimens that will be analyzed for nonmetallic inclusions with automatic image analysis (AIA) equipment. The two methods of preparation are offered as accepted methods used to retain nonmetallic inclusions in steel. This guide does not limit the user to these methods.
1.2 A procedure to test the suitability of the prepared specimen for AIA inclusion work, using differential interference contrast (DIC), is presented.
Significance and Use
Inclusion ratings done either manually using Test Methods E 45
This guide provides a procedure to determine if the prepared specimens are of suitable quality for subsequent rating of inclusions. None of these methods should be construed as defining or establishing specific procedures or limits of acceptability for any steel grade.
Keywords
automatic image analysis; differential interference contrast; inclusions; specimen preparation; steel; ICS Number Code 77.040.01 (Testing of metals in general)
To find similar documents by ASTM Volume:
03.01 (Metals -- Mechanical Testing; Elevated and Low-Temperature Tests; Metallography)
To find similar documents by classification:
77.040.01 (Testing of metals in general)
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Document Number
ASTM-E768-99(2005)
Revision Level
1999 R05 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
May 1, 2005
Document Type
Practice
Page Count
5 pages
Committee Number
E04.01