Composites Technology - February 2008

Feature Image

Inside Manufacturing: Thermoplastic Composites Lighten Transit Bus

Low-pressure forming processes and low-density, long fiber-reinforced thermoplastic come together to cut weight of aluminum transit bus roof air conditioning door by 40 percent.

Composites material suppliers and molders have spent many years developing and producing lightweight components for automobiles and heavy trucks, aimed at improving fuel efficiency and cost. During this period, much less attention has been devoted to mass transit applications for composites. But that is changing, as transit equipment manufacturers and governments recognize the opportunities to reduce fuel consumption and road wear, particularly for buses. Transit authorities in New Jersey, for example, have requested bids for new buses that weigh 5,000 lb/2,270 kg less than current models in use, says Uday Vaidya, director of the Engineering Plastics and Composites Laboratory at the University of Alabama at Birmingham (UAB). Vaidya and his colleagues Sellvum Pillay and Haibin Ning, in collaboration with the National Composite Center (NCC, Kettering, Ohio) and other partners, have recently completed a five-year effort, funded by the U.S. Department of Transportation, to demonstrate how buses can be made lighter using composites. Read More ...

Features

Additives Add Key Innovations
Added in small quantities, these resin system enhancements make larger contributions to composite quality as suppliers enhance their utility.

Dust Collection: Expense or Investment?
Well-engineered dust control systems not only improve shop air quality but also boost productivity, prolong machine life and save energy.

Engineering Insights: Composites Lessen Load in Fuel-Cell Demonstrator
CFRP decklid helps offset fuel-cell system weight to meet vehicle weight target.

JEC COMPOSITES 2008/Sampe Europe Preview
As the industry gathers in Paris, event organizers emphasize composites manufacturability and environmental responsibility.

NAIA Show Highlights
The 2007 Detroit Auto Show emphasizes “green” themes and high performance.


About the Cover

North American bus Industries (Anniston, Ala.), the builder of this 60-ft articulated transit bus, provided the platforms for a five-year series of composites demonstrator projects conducted by the National Composite Center (Dayton, Ohio) and the university of Alabama at Birmingham.

Editorial

From the Publisher

From the Editor


Columns

Composites: Past, Present & Future: Corrosion-Resistant Equipment, Then and Now


News

Sabic, Ford Join Forces on Eco-Car

U.S. Energy Bill Raises Bar for Auto Fuel Efficiency

Hanwha Buys Azdel from Sabic, PPG

Biz Briefs: Thermwood Inc.

Bio-Based Composite Materials Supplier Wins $775,000 Grant

Biz Briefs: Lincoln Composites

New Reinforced Thermoplastic Laminate Enables Build of All-Composite RV Trailer

People Briefs: TPI Composites

Wind Energy Industry Suppliers Invest in U.S. Market

High Modulus to Design Massive, All-Composite Yacht

Marine Brief: Ashland Distribution

COMPOSITESWORLD Expo Exhibit Sales Begin

ACMA Schedules COMPOSITES & POLYCON 2009

Dow Epoxy Completes Acquisitions of Three Epoxy Formulators

Cohesant to Sell GlasCraft Subsidiary

People Briefs:

Solvay to Sell Engineered Polymers Business to Basell

ACC Study Documents Benfits of Composites in Automotive Applications

Market Report Projects Growth of LFT

Microposite to Launch Line of Composite Siding Products


Application

FRP troughs help remove iron from mine water discharge


New Products & Literature

Composites vacuum system

LFRT pellets

“Green” resin solvent

Machinable PTFE-based shapes

Machining cell

Recyclable, fire-rated core

Metal clad rapid prototyping

Structural adhesives

Resin flow additive

High-speed layup system

High-wear decorative substrates

Anticounterfeiting particles

Two-part elastomeric adhesive

Toughened urethane hybrid resin

Testing software

Layup adhesive for vacuum infusion

RTM, pultrusion resin

Coating for wood fiber composites

Nanocomposite for rapid prototyping