Design & Tooling

Designing bicycling’s lightest pro racing frame

Cervélo’s Vroomen White Design group combines analysis and manufacturing acumen to create a 675g/1.5 lb composite frame.

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Marine

Cabin cruiser: Making the most of a mirror finish

The hull mirror-like gel coat finish on the Daedulus 30 cabin cruiser was achieved through a combination of Marine Concepts’ (Lee-on-the-Solent, Hampshire, U.K.) mold design experience and fabrication techniques and materials provided by Scott Bader (Wollaston, Northamptonshire, U.K.).

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Fiber-matrix interfacial bond test methods

Dr. Don Adams describes six single-fiber methods for testing fiber-matrix interfacial bond strength.

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Thermoplastics

Maintaining fiber length in complex 3-D designs

Award-winning composite pallet showcases new LFT molding process from South Africa.

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Life Cycle Assessment resources

A collection of resources for those engaged in Life Cycle Assessment programs.

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Infrastructure

Life Cycle Assessment: Are composites "green"?

Methods for calculating the impact composites have on the environment enable data-driven comparisons to traditional materials on a level playing field.

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Autoclave

Learjet 85 composite pressurized cabin a cost cutter

Single-piece carbon fiber composite structure selected over multipiece aluminum fuselage barrel section in new bizjet design.

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Transverse flexure testing

Dr. Donald Adams examines test methods for determining the transverse tensile strength of a composite formed from unidirectional plies.

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Sustainability

Future multifunctional structures: Composites needed

Barton Bennett (Odyssian Technology, South Bend, Ind.) discusses multifunctional systems that will soon integrate composite structures with sensors, mechanisms and subsystems.

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The short beam shear test

Dr. Don Adams (Wyoming Test Fixtures Inc., Salt Lake City, Utah) discusses short beam shear testing methodology.

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