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Composites Exchange

Group for composite materials and related technologies. Composites are engineered materials made from two or more constituent materials with significantly different physical or chemical properties.

Members: 89
Latest Activity: Jan 27

Discussion Forum

Centrifugal fan wheel

Started by Dan Ogneru. Last reply by mongi zanann Oct 29, 2009. 1 Reply

Acoustically dead composites

Started by Soundmann. Last reply by Gerald A Gegel Oct 22, 2009. 2 Replies

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Comment by lutfiyeferay guleryuz on December 18, 2010 at 12:32am

I am working in the field of metal matrix composites by powder metallurgy method.Now I need some informations about magnesium matrix.If any have experiance pls.write me.

Comment by Fatima Nia Roodsari on November 16, 2010 at 3:24pm
i have worked on plastic and elastomer reinforcement by minerals and inorganics. if any one interested in, i can share my experiences
Comment by Eko Marsyahyo on October 31, 2009 at 9:55am
Im tryng to boost up a level of biocomposite panel for high impact velocity resistant, any suggestion?
Comment by leelamadhav gullapalli on October 22, 2009 at 10:47am
i am available to discuss syntactic foams(particulate composites)

i am working on self healing system
Comment by Gary Becht on October 22, 2009 at 10:41am
I have worked with fiber-placed, thick walled, carbon-fiber / epoxy composites at Lockheed Aeronautics. When the diameter / thickness ratio of the structure gets small, the resin cure shrinkage can cause problems with delaminations. You'd have to experiment a bit with your own materials, but we resolved our issues with multiple intermediate cures. Our diameter / thickness ratio was 4, with a 2" thickness.
Comment by leelamadhav gullapalli on October 22, 2009 at 7:52am
if u ppl are talking about composites..please make sure to narrow them down to the following
metal composites
fiber composites
particulate composites
Comment by Duncan Meyers on October 21, 2009 at 6:04pm
I'm looking for a non-conductive material that will handle 9,000 degrees F on a continuous basis. Will be used for active high tempature electrical arc shielding. Have looked at HfB2 as a possible, but due to restrictions having trouble obtaining it. Any help would be greatly appreciated.
Comment by Robert Davies on June 3, 2009 at 7:34am
I have designed and molded many thick parts (up to 2" wall) for oil & gas as well as medical/surgical. I specialize in contionous fiber thermoplastic compisites. Using these you do not need to worry about the temperture profile of thick laminates. We also do very thin parts, .025 - .060 for enclosures ETC.
Comment by Lee Muller on June 3, 2009 at 7:00am
In the past, I have worked in developing CNC machinery for the contouring, gluing, and assembly of thick composites for military aircraft.

My current interests are in thinner composites for personal watercraft and light aircraft, as well as composites which include metal and ceramics along with the usual fibers and resins.
Comment by Victor Cortez on April 22, 2009 at 5:48am
Anyone worked with thick walled composites? not so much interested in weight but more structural strength and thermal resistance for oil feild applications. It seems that as the parts are made thicker the laminate layers become a bit tricky in holding together, requiring staged curing. Anyone?
 

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