玻璃钢疲劳测试.pdf

TheThe SNL/MSU/DOESNL/MSU/DOE FatigueFatigue Program: Recent Results JohnJohn MandellMandell Montana State University SandiaSandia BladeBlade WorkshopWorkshop July 20-22, 2010 Thanks • To Sandia/DOE for support since 1989 • ToTo ourour manymany partnerspartners inin thethe industryindustry Research Group • PI:PI: JohnJohn Mandell;Mandell; CurrentCurrent Group:Group: – CoPI Research Engineer: Daniel Samborsky •• TestingTesting, MaterialsMaterials FabricationFabrication – Post Doc: Aaron Sears • FEA,, Adhesives – Grad Student: Tiok Agastra • Processing, Complex Structure Coupon Testing and FEA – Undergraduate Assistants: Patrick Flaherty and David Buswell • Sandia PI’s: Tom Ashwill, Josh Paquette Fatigue Topics • Standard laminates reppresentingg sppars,, skins and webs • Adhesive joints • Core/sandwich areas • Damage growth at flaws • Ply delamination at details like ply drops and joints, and near adhesive joints •• ResinsResins, fibersfibers, fabricsfabrics, adhesivesadhesives, corescores • Processing effects •• EnvironmentEnvironment • Loading conditions/ spectrumspectrum loadingloading Sandwich Panel Public Database • SNL/MSU/DOESNL/MSU/DOE FFatitigue DDattabbase (SNL Website or MSU program website:website: /composites/) – Over 190 Materials – 11,500+ test results – Updates each March – TTrendds anallyzedd iin publiblicatitions and contractor reports on website; Draft of current contractor report More Details CConttracttor reportts andd publiblicatitions on /composites/; additional in