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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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A long-standing need to standardize terminology within the additive manufacturing industry has now been met with a new ASTM International standard, ASTM F2792 , Terminology for Additive Manufacturing Technologies. The new document is the first approved standard under the jurisdiction of ASTM Committee F42 on Additive Manufacturing Technologies, which was formed in 2009. Terry Wohlers, principal…, Technical Contact:, Terry Wohlers, Wohlers Associates Inc., Fort Collins, Colo., Phone: 970-225-0086; tw@wohlersassociates.com, ASTM Staff Contact:, Pat Picariello, Phone: 610-832-9720; ppicarie@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8426/Dec2009
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Strong Turnout as Task Groups Are Formed ASTM International Committee F42 on Additive Manufacturing Technologies held its first meeting at ASTM International headquarters in West Conshohocken, Pa., on May 27-28. According to Brent Stucker, chair of F42, the successful meeting gave the committee the opportunity to form a variety of new task groups within four of its subcommittees, as well as…
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Providing practical advice on the use of infrared thermometers is the purpose of a proposed new ASTM International standard. Infrared thermometry is used in a variety of measurement applications, including heating, ventilating and air conditioning, building inspection, industrial and manufacturing, automotive and food service equipment. The proposed new standard, ASTM WK21204 , Guide for the…
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ASTM International, one of the largest voluntary standards development organizations in the world, announces the formation of ASTM Committee F42 on Additive Manufacturing Technologies. The new, first-time standards initiative was driven by the cooperative efforts of ASTM and the Society of Manufacturing Engineers (SME) to bring forward consensus standards that will support the adoption of…