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A new ASTM International standard will enable composite end users and materials suppliers within the aerospace industry to perform an important test for polymer matrix composites within guidelines set by the U.S. Federal Aviation Administration. The standard, D7028 , Test Method for Glass Transition Temperature (DMA Tg) of Polymer Matrix Composites by Dynamic Mechanical Analysis (DMA), is under…
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Subcommittee D30.05 on Structural Test Methods, part of ASTM International Committee D30 on Composite Materials, has been standardizing a series of methods that are related to the analysis and substantiation of mechanically fastened joints composed of composite materials. The latest in this series of standards, D 7332/D 7332M , Test Method for Measuring the Fastener Pull-Through Resistance of a…
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A proposed new ASTM International standard, WK14507 , Guide for Selection of Security Fasteners for Detention and Correctional Facilities, will bring consistency to the use of security fasteners throughout detention/correctional facilities. WK14507 is under the jurisdiction of Subcommittee F33.04 on Detention Hardware, part of ASTM International Committee F33 on Detention and Correctional…
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A new ASTM International standard, F 2490 , Guide for Aircraft Electrical Load and Power Source Capacity Analysis, has been accepted by the Federal Aviation Administration (FAA) as a means of compliance with 14 CFR 23.1351(a) (2), Electrical System Capacity for Part 23 (and Predecessor) Aircraft. Guide F 2490 was developed by Subcommittee F39.01 on Design, Alteration, and Certification, which is…
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ASTM International Committee D30 on Composite Materials invites all interested parties to participate in a new task group on fiber-reinforced polymers. The task group is under the jurisdiction of Subcommittee D30.05 on Structural Test Methods. The purpose of the new task group is to review a series of tests that the American Concrete Institute has developed through their Committee 440 on Fiber-…
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ASTM International Committee D33 on Protective Clothing and Lining Work for Power Generation Facilities has approved a revision to standard D 4260, now titled Practice for Liquid and Gelled Acid Etching of Concrete. The revised standard is under the jurisdiction of Subcommittee D33.05 on Application and Surface Preparation. According to Tamryn Doolan, president and CEO, Surface Gel Tek, the…
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ASTM International Committee F39 on Normal and Utility Category Airplane Electrical Wiring Systems has approved its first standard, F 2490, Guide for Aircraft Electrical Load and Power Source Capacity Analysis. The new guide covers how to prepare an electrical load analysis to meet Federal Aviation Administration requirements. "This standard is a model for a consistent method of determining the…
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A questionnaire sent to members of ASTM International Committee D30 on Composite Materials proved to be the catalyst for a pair of newly approved standards, D 7136, Test Method Measuring the Damage Resistance of a Fiber-Reinforced Polymer Matrix Composite to a Drop-Weight Impact Event, and D 7137, Test Method for Compressive Residual Strength Properties of Damaged Polymer Matrix Composite Plates…