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ASTM Standards offer specialized Charpy tests.

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June 9, 2009 - Approved by ASTM Intl. Committee E28 on Mechanical Testing, E2248, Test Method for Impact Testing of Miniaturized Charpy V-Notch Specimens, and E2298, Test Method for Instrumented Impact Testing of Metallic Materials will be used by engineers and researchers with specialized Charpy testing needs. E2298 focuses on instrumenting machine striker to measure and record force on notched sample during impact, while E2248 will be helpful for users who need to reduce size of Charpy specimens.

Two New ASTM Standards Offer Specialized Charpy Tests

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ASTM International
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West Conshohocken, PA, 19428-2959

Press release date: June 3, 2009

W. CONSHOHOCKEN, Pa., 3 June 2009-Engineers and researchers who have specialized Charpy testing needs will be the primary users of two new standards recently approved by ASTM International Committee E28 on Mechanical Testing. The new standards, E2248, Test Method for Impact Testing of Miniaturized Charpy V-Notch Specimens, and E2298, Test Method for Instrumented Impact Testing of Metallic Materials, were developed by Subcommittee E28.07 on Impact Testing. "Conventional noninstrumented Charpy tests give useful comparative information but generally do not offer any detailed insight into the failure mechanisms or provide quantifiable material properties," says Enrico Lucon, senior researcher, Institute of Nuclear Material Science at the Belgian Nuclear Research Center. "Particularly for structural integrity evaluations, using instrumented Charpy impact test data can improve the understanding of failure mechanisms at high loading rates," says Lucon. "On the other hand, in the case of thin-walled structures or for optimizing material consumption, miniature Charpy specimens may represent an attractive option." Lucon says that instrumenting the machine striker to measure and record the force on the notched sample during impact, as described in E2298, gives a much clearer picture of the events occurring, providing additional insight into the behavior of material under impact loading. Testing procedures described in E2248 will be helpful for users who need to reduce the size of Charpy specimens either because the investigated component is thin or because the available material is limited in quantity. ASTM standards are available from Customer Service (phone: 610-832-9585; or at For technical Information, contact Enrico Lucon, SCK-CEN, Belgian Nuclear Research Center, Mol, Belgium (phone: +011-32-14-333088; Committee E28 will meet Nov. 9-10 during the November committee week in Atlanta, Ga. ASTM International welcomes and encourages participation in the development of its standards. ASTM's open consensus process, using advanced Internet-based standards development tools, ensures worldwide access for all interested individuals. For more information on becoming an ASTM member, please contact Kevin Shanahan, ASTM International (phone: 610-832-9737; Established in 1898, ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions around the globe.
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