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Effect of impact damage and open holes on the compression strength of tough resin/high strain fiber laminates
U.S. Government
Paperback. Books LLC, Reference Series 2012-06-23.
ISBN 9781234439743
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Förlagets beskrivning
Original publisher: Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1984] OCLC Number: (OCoLC)232108730 Subject: Airplanes -- Design and construction. Excerpt: ... 14 STRESS-STRAIN SP RESPOkSE FOR OP EN-HOLE ECIMErLS The s t r e s s-s t r a i n response up t o f a i l u r e f o r AS4 / 2220-3 q u a s i-i s o t r o p i c 5-inch-wide specimens w i t h selected hole sizes i s presented i n f i g u r e 14. S t r a i n a / w taken from s t r a i n gages located near one end o f t h e specimen. h For l a r g e 0 ) = s t r e s s-s t r a i n response deviates from t h e no-hole ( a / w curve. For purposes o f data comparison, t h e f a i l u r e s t r a i n f o r open-hole specimens reported i n subsequent f i g u r e s i s t h e s t r a i n which t h e no-hole specimen c a r r i e d a t t h e same s t r e s s t h a t t h e open-hole specimens c a r r i e d a t f a i l u r e. 0 = f a l w r 8o 70 60 50 STREbS, 40 ksi 30 20 10 0. 012. 004. 008 STRA IN Figure 14
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Effect of impact damage and open holes on the compression strength of tough resin/high strain fiber laminates
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