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Dan Adams President
Dr. Daniel O. Adams is president of Wyoming Test Fixtures Inc. (Salt Lake City, Utah, U.S.) and an emeritus professor of mechanical engineering at the University of Utah, where for 23 years he directed the Composite Mechanics Laboratory. He holds a B.S. in mechanical engineering and an M.S. and Ph.D. in engineering mechanics. Adams has a combined 44 years of academic/industry experience in the composite materials fi eld. He has published more than 120 technical papers, is chair of ASTM Committee D30 on Composite Materials and co-chair of the Testing Working Group for the Composite Materials Handbook (CMH-17). He regularly provides testing seminars and consulting services to the composites
industry.
Testing to support composite bolted joint analysis
An overview of ASTM Standard Guide D8509, and its coupon-level mechanical testing of design properties for analyzing composite bolted joints.
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Damage tolerance testing of sandwich composites: The sandwich flexure-after-impact (FAI) test
A second new ASTM-standardized test method assesses the damage tolerance of sandwich composites under flexural loading.
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Damage tolerance testing of sandwich composites: The sandwich CAI test
A new ASTM-standardized test method established in 2022 assesses the compression-loaded damage tolerance of sandwich composites.
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Interlaminar tensile testing of composites: An update
New test method developments for measuring interlaminar tensile strength address difficulties associated with the ASTM D6415 curved beam flexure and ASTM D7291 flatwise tensile tests.
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Composite test methods (and specifications) for fiber-reinforced concrete structures
While initially focused on transitioning existing standards published by the American Concrete Institute, the relatively new ASTM Subcommittee D30.10 is developing new standardized test methods and material specifications for FRP composites.
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Notched testing of sandwich composites: The sandwich open-hole flexure test
A second new test method has been standardized by ASTM for determining notch sensitivity of sandwich composites.
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Notched testing of sandwich composites: The sandwich open-hole compression test
A new ASTM-standardized open-hole compression test method seeks to determine the notch sensitivity of sandwich composites.
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Material equivalence testing in shared composites databases
In response to traditionally proprietary polymer matrix composites (PMC) qualifications, NCAMP continues its efforts to make material property databases publicly available.
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Composite prepreg tack testing
A recently standardized prepreg tack test method has been developed for use in material selection, quality control and adjusting cure process parameters for automated layup processes.
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Determining the equivalency of composite test methods
While time consuming and somewhat subjective, the comparative assessment approach has been proven effective toward assessing composites test method equivalence.
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Composites testing as part of a building block approach, Part 2: Upper building block levels
Testing under the upper levels of the building block approach for composites design depends on the structure’s application and complexity.
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Composites testing as part of a building block approach, Part 1: Coupon-level testing
The building block materials testing approach is a step-by-step process that serves as a framework for designing composite structures while also reducing risk and cost.
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