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ASTM grain size is a property written into many specifications for metals, with finer grain sizes generally indicating better mechanical properties, such as formability. While measuring certain materials for such properties can be difficult, electron backscatter diffraction can provide precise determinations as well as give information on grain size distribution and statistics. A new ASTM…
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A recent revision to ASTM International standard E384 , Test Method for Knoop and Vickers Hardness of Materials, expands the range of its coverage. The standard is under the jurisdiction of Subcommittee E04.05 on Microindentation Hardness Testing, part of ASTM International Committee E04 on Metallography. The revision incorporates ASTM E92 , Test Method for Vickers Hardness of Metallic Materials…
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Joe Koury, staff manager for ASTM International Committee E52 on Forensic Psychophysiology, will speak at the annual seminar of the American Association of Police Polygraphists on April 17 at the Hotel Albuquerque at Old Town in Albuquerque, N.M. This meeting will follow the April 14-15 meetings of Committee E52, which will take place at the some hotel. In his presentation, Koury will provide an…
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ASTM International Committee F16 on Fasteners has recently approved an important new standard that deals with coated threaded fasteners and washers by hot-dip zinc galvanizing. The standard, F 2329, Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts and Special Threaded Fasteners, is under the jurisdiction of Subcommittee…
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ASTM International Committee F16 on Fasteners has developed a new standard, F 2329, Specification for Zinc Coating, Hot-Dip, Requirements for Application to Carbon and Alloy Steel Bolts, Screws, Washers, Nuts, and Special Threaded Fasteners. The standard, which is under the jurisdiction of Subcommittee F16.03 on Coatings on Fasteners, covers the requirements for hot-dip zinc coating applied to…
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Forensic Psychophysiology Committee in ASTM International Aims at Reducing Perjury with New StandardThe aim of a new ASTM standard developed by Committee E52 on Forensic Psychophysiology is to assist the judicial system in reducing incidents of perjury. The new standard, E 2324, Guide for PDD Paired Testing, is under the jurisdiction of Subcommittee E52.05 on Psychophysiological Detection of Deception (PDD). According to George Baranowski, founder, Mindsight Consultants, the guide could be…