Sandwiched Composites Offer Promise For Marine Industry
Last autumn leading researchers gathered at the American Society of Mechanical Engineers (ASME) conference to discuss, among other things, the properties and possibilities of increasing the utilization of lightweight honeycomb sandwiched between curved composite panels in marine applications. Ship and boat designers, builders and owners, ever mindful of the need to minimize weight while maintaining strength and safety in an effort to reduce fuel costs, are constantly testing and exploring a wide range of new materials and composites.
The key attribute of a sandwich structure is its light weight, which owes to the honeycomb-like design of the inner core, wrapped around the inner core of the sandwich structure are the aluminum and composite panels, or facing sheets.
These panels accept most of the moisture, pressure loads and weight bearing forces exerted from external conditions.
Although the panels of the sandwich structure take most of the pressure, researchers believe that it is critical that the core material be able to withstand some external forces. Engineering approaches to improved designs include reinforcing the core material and creating more separation between the core and outer panels.
Particular challenges with the structure, and the target of much research, is the breakage points of certain sandwich s t r u c - t u r e s .
S t r o n g e r epoxy agents and improved curing methods are believed to prevent such damage.
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Other stories from March 2000 issue
Content
- A broader-based payback from R&D page: 8
- An Effective Shield from Criminal Prosecution page: 14
- MARCO Signs Contract With S.F. Bar Pilots page: 16
- MAN Acquires Alstom Diesel Engine Ops page: 16
- South Korean January Ship Orders Increase page: 17
- Dockwise Awarded Hanjung Contract page: 17
- The U.S. Navy - Reducing Shipboard Planned Maintenance page: 20
- Safety Charter Targets Old Tankers, Flags Of Convenience page: 20
- High Times Again in Singapore? page: 22
- Ship Repair Yards Ask: Where's the Funding? page: 26
- Ailsa-Troon Continues To Climb page: 27
- Irving Shipbuilding Repairs Wide Selection page: 29
- Vessels Make Pit Stop At Bay Ship page: 30
- Tampa Bay Shipbuilding - Gearing Up For A Boom page: 31
- Bollinger Puts Its Expertise To The Test page: 32
- Turbo-Technik: Rescuing A "Prinsesse" page: 33
- Smooth Sailing page: 34
- Seacoast Delivers Package To Halter page: 34
- JRC Radar Offers Plotter System page: 34
- SKYbolt Enables Real Time Processing page: 38
- Transas Moves Towards Auto Integrated Navigation page: 44
- Litton To Supply For New Passenger Ferries page: 44
- Riverboat Casino Ratings Buoyed by Regulations, Demand page: 48
- Washburn & Doughty: Developing New Process To Meet Changing Needs page: 49
- Fictitious Tugboat Character Goes Live In Canada Yard page: 51
- Bollinger opts for Oracle page: 52
- BIMCO Introduces Millennium Software page: 55
- Ship Safety Database Set Up To Avoid Future Disasters page: 55
- WindShip Technology Promises Fuel Saving s page: 56
- Recore Classified As Fireproof For Vessels page: 56
- Sandwiched Composites Offer Promise For Marine Industry page: 57
- Fiberline Offers GRP For Use In Hostile Environs page: 57
- AMT Marine To Construct Utility Boat page: 59
- Sneed Delivers Pushboat To Blessey Marine page: 59
- Alert in Valdez Harbor page: 60
- 3.MAJ Delivers Innovative Tanker page: 61
- Robert Allan Design To Be Built For Brusco page: 62
- New Surface Cleaning Process Saves Navy On Maintenance page: 65
- Jotun Goes Tin-Free page: 66
- Se-Cliff Enhances With CoreKote 2000 page: 69
- Japan: Advanced procedures sustain industry in turbulent markets page: 74
- JAMSTEC Deepsea Exploring Ship Contract Announced page: 75
- Power management with distributed intelligence page: 76
- Chamber Of Shipping Requests Entries page: 77
- The Erika oil spill - using the incident to positive effect page: 80
- NCL Board Dumped, Lund Appointed page: 92
- Litton Integrates Marine Ops In New Company page: 92