Design & Tooling
Materials library seeks composites industry submissions
If you’re a designer for Adidas, Motorola or Toyota, where do you get information about cutting-edge material developments?
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Tensile testing composites: Simple concept, difficult in practice
Dr. Daniel O. Adams, professor of mechanical engineering and director of the Composite Mechanics Laboratory at the University of Utah, and the vice president of Wyoming Test Fixtures Inc. (Salt Lake City, UT, US), takes over for his father, Dr. Donald F. Adams, as the anchor writer in ÂÌñÏ×ÆÞ magazine's revamped CW Design and Testing column. First subject? The challenges of tensile testing unidirectional composites.
Read MoreHaydale acquires EPL Composite Solutions Ltd.
Graphenes and nanomaterials specialist Haydale will acquire EPL Composite Solutions, a specialist in the design, development and commercialization of advanced composites polymer materials in the U.K. and overseas.
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The Picture Frame Shear Test method
Dr. Donald F. Adams (Wyoming Test Fixtures, Salt Lake City, Utah) reviews the history of the Picture Frame Shear Test method.
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Turning data into gold
The composites manufacturing environment is awash in data. It's possible to harvest that data and start predicting problems before they occur.
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Ultrasound evaluation of prepreg impregnation levels
The Ultran Group has developed non-contact ultrasound (NCU) that can accurately assess prepreg level of impregnation (LOI) with implications for out-of-autoclave processing, inline quality control and even automated tape laying.
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Software Update: Simulation saves
A look inside the increasingly well-equipped virtual toolbox for composite design, analysis, and manufacturing.
Read MoreSoftware Update: Simulating a repair
ÂÌñÏ×ÆÞ recently hosted a webinar with Altair’s (Troy, Mich.) Robert Yancey and Tim Harrell, structural analyst, United Launch Alliance (Centennial, Colo.), who discussed the use of Altair’s OptiStruct software to design a doubler repair patch for a rocket motor that was damaged with a gouge defect. “These composite components are very costly, so therefore if a manufacturing default happens, it is advantageous to fix the part,” explains Harrell.
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Software update: Materials database support for simulation/analysis
Another piece of the software integration puzzle in the aerospace world is finding ways and means to incorporate into the design process data from existing materials databases.
Read MoreMIT researchers reveal how bonded joints fracture and fail
Moisture reportedly plays crucial role.
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