Searched for: subject:"Reinforced%5C+plastics"
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Mizutani, Y. (author), Groves, R.M. (author)
This paper describes the measurement of average strain, strain distribution and vibration of a cantilever beam made of Carbon Fiber Reinforced Plastics (CFRP), using a single Fibre Bragg Grating (FBG) sensor mounted on the beam surface. Average strain is determined from the displacement of the peak wavelength of reflected spectrum from the FBG...
journal article 2011
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Terzi, A. (author), Ockels, W.J. (author)
The Superbus was introduced as one of the option for the Zuiderzeelijn : a fast connection between Amsterdam and Groningen and resulted to be the best option, the others being three different types of high speed train and the magnetic levitation train. In order evaluate the feasibility of its implementation, the Dutch Ministry of Transport and...
journal article 2008
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Geers, M.G.D. (author), Peijs, T. (author), Brekelmans, W.A.M. (author), De Borst, R. (author)
journal article 1996
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Schellekens, J.C.J. (author), De Borst, R. (author)
journal article 1994
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van der Hoeven, W. (author)
The effect of cooling rate on some mechanical properties of APC-2/AS4 composite was investigated over the range between 1 and 70° C/min. Preconsolidated unidirectional laminates were reprocessed in a hot platen press at controlled cooling rates. Double Cantilever Beam specimens and End Notch Flexure specimens were used to determine the mode I...
report 1993
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Schellekens, J.C.J. (author), De Borst, R. (author)
journal article 1993
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Oldersma, A. (author)
Composite materials with more than one type of fiber in one matrix are known as hybrid composites. In this work the fatigue behaviour of composite materials is discussed and the behaviour of hybrid composites is related to simple (single-fiber) composites. The properties and the behaviour of hybrid composites can mostly be explained...
report 1991
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't Hart, W.G.J. (author)
The susceptibility of currently used CFRP to impact damage has stimulated the development of improved composites. This new generation of composites usually shows increased toughness and damage tolerance as well as improved tensile performance. This is generally not matched, however, by a similar improvement in compressive properties which then...
report 1991
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't Hart, W.G.J. (author), Frijns, R.H.W.M. (author)
Constant amplitude tension-compression fatigue tests were performed on notched (± 45, 02, 90, 02)s coupon specimens of the composite systems T300/F593, T400H/6376, T800H//5245C and IM6/APC-2. Delamination damage growth as a function of the number of fatigue cycles was determined using the ultrasonic C-scan technique. Considering the resistance...
report 1989
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Laméris, J. (author), Minderhoud, P. (author)
The mechanical behaviour of mechanically fastened double lap carbon-epoxy joints has been investigated both by experiments (static tests) and by analysis. Several fastener types and joint geometries has been investigated. In the experimental programme the Fibredux 6376/T400H material was used. Two methods to analyze mechanically fastened...
report 1989
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van der Hoeven, W. (author)
report 1988
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't Hart, W.G.J. (author)
The damage development In notched (± 45, 0„, 90, 0-) carbon-epoxy coupon specimens tested under different loading conditions was determined. Constant amplitude tests at R = -1 and R = 0.1 as well as flight simulation tests were performed to establish those stress values for which no damage growth occurs.
report 1988
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Komorowski, J.P. (author)
This report is the first in a series of literature reviews in which hygrothermal effects on aerospace composite materials (CM) are examined. This first report (Part I) deals primarily with fundamental aspects of the diffusion of moisture into, and from, composite materials. The effects of temperature under both steady state and transient...
report 1983
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Wanhill, R.J.H. (author)
Flight simulation fatigue crack propagation tests with gust spectrum loading were carried out on laminates of (i) aluminium alloy 2024-T3/carbon-epoxy, (ii) aluminium alloy 7475-T761/carbon-epoxy and (iii) titanium alloy Ti-6Al-4V/carbon-epoxy with nominal weight savings of 30% and 40% as compared to equivalent 2024-T3 Alclad and 7475-T761...
report 1982
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't Hart, W.G.J. (author)
An experimental investigation was performed to examine the effect of low energy impact damage on tension-compression fatigue properties of sandwich panels. The specimens consisted of a 9 mm thick Nomex honeycomb and face sheets of (0,± 45) and (± 45,0) Carbon/epoxy. Drop weight impact was applied to create internal laminate damage. In order to...
report 1981
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de Graaf, E.A.B. (author), Rienks, K.J. (author), van Dreumel, W.H.M. (author)
The present report describes the X-ray radiography and subsequent destructive investigation according to metallographic techniques of specimens that were taken from experimental mixed—laminate test panels. Clues for the interpretation of radiopraphs of carbon fibre reinforced composites are given.
report 1980
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van den Assem, D. (author), Daniels, D.H.W. (author)
report 1978
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Wanhill, R.J.H. (author)
Flight simulation fatigue crack propagation tests with gust spectrum loading were carried out on 2024-T3/carbon-epoxy, 7475-T76l/carbon-epoxy and Ti-6Al-4V/carbon-epoxy laminates with nominal weight savings of -30% as compared to equivalent 2024-T3 panels. The performance of the 2024-T3/carbon-epoxy laminates was much superior to those of the...
report 1978
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Bartelds, G. (author)
report 1978
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't Hart, W.G.J. (author)
Residual strength tests have been carried out on various Kevlar 49-Carbon epoxy laminate configurations consisting of a carbon/epoxy core with face sheets of Kevlar 49 fabric. The influence of fatigue loading of notched specimens on the residual strength was investigated.
report 1978
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