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Experimental Investigation Of Graphite Polyimide Sandwich Panels In Edgewise Compression
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Book Synopsis Experimental Investigation of Graphite/Polyimide Sandwich Panels in Edgewise Compression by :
Download or read book Experimental Investigation of Graphite/Polyimide Sandwich Panels in Edgewise Compression written by and published by . This book was released on 1990 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study experimentally and analytically investigates the local and general buckling behavior of graphite/polyimide sandwich panels simply supported along all four edges and loaded in uniaxial edgewise compression. Material properties of sandwich panel constituents (adhesive and facings) were determined from flatwise tension and sandwich beam flexure tests. An adhesive bond study resulted in the selection of a suitable cure cycle for FM-34 polyimide film adhesive and, a bonding technique using a liquid cell-edge version of that adhesive resulted in considerable mass savings. Tensile and compressive material properties of the facings (quasi-isotropic, symmetric laminates of Celion/PMR-15) were determined at 116, R.T., and 589K ( -250, R.T., and 600 F) using the sandwich beam flexure test method. Results indicate that Gr/PI is a usable structural material for short term use at temperatures as high as 589K (600 F). Buckling specimens were 30.5 x 33.0 cm (12 x 13 in.), had quasi- isotropic symmetric facings and a glass/polyimide honeycomb core (HRH-327-3/8-4). Core thicknesses varied (0.635, 1.27, 1.91, and 2.54 cm (0.25, 0.50, 0.75, and 1.0 in.)) and three panels of each thickness were tested in edgewise compression at room temperature to investigate failure modes and corresponding buckling formulas. Specimens 0.635 cm (0.25 in.) thick failed by overall buckling at loads close to the analytically predicted buckling load; all other panels failed by face wrinkling. Results of the wrinkling tests indicate that several buckling formulas were unconservative and therefore not suitable for design purposes; recommended wrinkling equations are presented. In conclusion, the buckling behavior of Gr/PI sandwich panels, predicted analytically, has been characterized experimentally and results compare favorably. (MM).
Book Synopsis Experimental Investigation of Graphite/polyimide Sandwich Panels in Edgewise Compression by : Charles Joseph Camarda
Download or read book Experimental Investigation of Graphite/polyimide Sandwich Panels in Edgewise Compression written by Charles Joseph Camarda and published by . This book was released on 1980 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tests of Graphite/polyimide Sandwich Panels in Uniaxial Edgewise Compression by : Charles J. Camarda
Download or read book Tests of Graphite/polyimide Sandwich Panels in Uniaxial Edgewise Compression written by Charles J. Camarda and published by . This book was released on 1980 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tests of Graphite/polyimide Sandwich Panels in Uniaxial Edgewise Compression by :
Download or read book Tests of Graphite/polyimide Sandwich Panels in Uniaxial Edgewise Compression written by and published by . This book was released on 1980 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Experimental Investigation of Sandwich Panels Under Low Velocity Impact by : Timberlyn Michelle Harrington (CAPT, USAF.)
Download or read book An Experimental Investigation of Sandwich Panels Under Low Velocity Impact written by Timberlyn Michelle Harrington (CAPT, USAF.) and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1982 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Download or read book NASA Technical Paper written by and published by . This book was released on 1980 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Memorandum written by and published by . This book was released on 1981 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Reference Publication written by and published by . This book was released on 1977 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1980 by :
Download or read book Scientific and Technical Information Output of the Langley Research Center for Calendar Year 1980 written by and published by . This book was released on 1981 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Information Output of the Langley Research Center for Calendar Year ... by :
Download or read book Scientific and Technical Information Output of the Langley Research Center for Calendar Year ... written by and published by . This book was released on 1981 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The ACEE Program and Basic Composites Research at Langley Research Center (1975 to 1986) by : Marvin B. Dow
Download or read book The ACEE Program and Basic Composites Research at Langley Research Center (1975 to 1986) written by Marvin B. Dow and published by . This book was released on 1987 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Scientific and Technical Publications by :
Download or read book NASA Scientific and Technical Publications written by and published by . This book was released on 1987 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fibre Reinforced Polymers, International Dissertation by : John Summerscales
Download or read book Fibre Reinforced Polymers, International Dissertation written by John Summerscales and published by CRC Press. This book was released on 1988 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1982 with total page 1074 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1981 with total page 1316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Download or read book NASA Conference Publication written by and published by . This book was released on 1979 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
