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Model Forum / General / Rockets / March 2006solid rocket motors mechanical properties
what is dewetting > what is dewetting It is when a polymer peels away from it's substrate. It doesn't apply to anything in a solid rocket motor. Doc Drake "Doc" Dameräu President, NEPRA NAR Section 614 L3CC member TRA 9934 www.nepra.com www.rocketmaterials.org http://home.sprynet.com/~monel/home.htm >> what is dewetting > > It is when a polymer peels away from it's substrate. It doesn't apply to > anything in a solid rocket motor. Actually it can refer to the loss of bonding of the filler (such as AP) from the polymer matrix in a composite propellant. Gary  SignatureGary Rosenfield President, AeroTech Consumer Aerospace Division of RCS Rocket Motor Components, Inc. 2113 W. 850 N. St. Cedar City, UT 84720 http://www.aerotech-rocketry.com >>> what is dewetting >> [quoted text clipped - 4 lines] > from > the polymer matrix in a composite propellant. That never occured to me. Thanks Gary. Doc SignatureDrake "Doc" Dameräu President, NEPRA NAR Section 614 L3CC member TRA 9934 www.nepra.com www.rocketmaterials.org http://home.sprynet.com/~monel/home.htm > >>> what is dewetting > >> [quoted text clipped - 8 lines] > > Doc Is the phemomena with AT Warp-9 in RMS systems from this phenomena? Jerry SignatureJerry Irvine, Box 1242, Claremont, California 91711 USA Opinion, the whole thing. <mail to:01rocket@gte.net> Please bring GROWTH back to consumer rocketry. Produce then publish. http://www.usrockets.com >>>>> what is dewetting >>>> [quoted text clipped - 12 lines] > > Jerry No, that's the phenomena of "critical modulus failure". See recent discussion on TRF. Gary |
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