Design & Tooling

Reversed loading flexural fatigue

Dr. Donald F. Adams, owner and president of Wyoming Test Fixtures (Salt Lake City, Utah) discusses reverse loading flexural fatigue testing and fixture design.

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Bending of composite material compression specimens

Dr. Donald F. Adams, president of Wyoming Test Fixtures (Salt Lake City, Utah) looks at the effect bending has on compression testing of composite specimens.

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Thermoplastics

Two visions of 3-D printing in CFRP

Freespace Composites and MarkForged pursue different paths to exploit carbon fiber in 3-D printing.

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Infusion

Pushing the limits of infusion

Polyworx BV used RTM-Worx, semipermeable membranes, a special feed and vacuum line layout and MMD machines to infuse a 62m minesweeper with degassed resin.

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Sustainability

VIDEO: Helicopter Drop Test

NASA evaluates composites’ ability to improve helicopter crashworthiness by dropping a helicopter fuselage to simulate a severe survivable crash according to military and commercial transport requirements.

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Buckling of composite material compression specimens

Dr. Donald F. Adams (Wyoming Test Fixtures, Salt Lake City, Utah) rehearses the causes of, and solutions for, problems with buckling in composite compression specimens.

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Bus station pavilion: A marriage of design and manufacture

Architectural design studio and boatbuilder cooperate to make this passenger terminal "first" a first-class showpiece.

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ABCs of ultrasonic inspection

A primer on nondestructive ultrasonic inspection technology.

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The Short Beam Shear test method for composite materials

Dr. Donald F. Adams (Wyoming Test Fixtures (Salt Lake City, Utah) suggests larger support and loading cylinders for the Short Beam Shear test method.

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Weaving

Maximum thrills: Minimal tools

Water slide manufacturer’s disastrous fire loss opens door to a closed molding process that reduces the number — and cost — of production molds, promising future gain.

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