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unidirectional composites

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Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003383
EISBN: 978-1-62708-195-5
...° unidirectional composite made from Epikote flexibilized resin. V f = 0.5 Fig. 25 Variation of specific damping capacity (Ψ) with temperature for ±10° and ±20° angle-plies made from high-modulus carbon fibers in DX209 epoxy resin. V f = 0.5 Fig. 24 The effect of fiber orientation...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003378
EISBN: 978-1-62708-195-5
... of unidirectional composite (UDC) materials are quite different from those of conventional, metallic materials. This article provides information on the treatment of UDC stress-strain relations in the forms appropriate for analysis of thin plies of material. It explains the development of the relations between mid...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
...Abstract Abstract This article reviews the abrasive and adhesive wear failure of several types of reinforced polymers, including particulate-reinforced polymers, short-fiber reinforced polymers (SFRP), continuous unidirectional fiber reinforced polymers (FRP), particulate-filled composites...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
... the material, the more limited the method of testing. A method that works adequately for chopped fiber composites may not work for unidirectional materials. A method that works for unidirectional materials probably will work well for all materials, although it may not always be the most cost effective...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003399
EISBN: 978-1-62708-195-5
... of micromechanics and analysis is to use the predictive methodology to develop tailored composites and also to make accurate predictions of their performance in service. This article reviews results derived from micromechanics analyses, based on finite-element method of unidirectional fiber reinforced metal matrix...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003377
EISBN: 978-1-62708-195-5
... for numerical computation of properties Fig. 5 Effect of fiber volume fraction on thermal expansion for representative carbon-epoxy composite Fig. 6 Viscoelasticity as shown by the creep and stress relaxation behavior over time Fig. 1 Unidirectional fiber-reinforced composite...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... Iosipescu, ASTM D 5379 Thick specimens with bonded layers required. Appears to be the best choice for unidirectional and fabric composites. Laminates may suffer from free-edge effects because of small width. 1 Short beam shear, ASM D 2344, SACMA SRM 8-88 Three-point loaded specimens not acceptable...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001101
EISBN: 978-1-62708-162-7
... with the environment. Matrix-dominated mechanical properties, such as the transverse elastic modulus and strength of unidirectionally reinforced composites, are sufficiently high in some MMCs to permit use of the unidirectional lay-up in engineering structures. This article will give an overview of the current...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003360
EISBN: 978-1-62708-195-5
...Properties of graphite, aramid, and hybrid fabric composites compared to 0°/90° laminates made from unidirectional layers (data normalized to 65 vol% fiber) Table 2 Properties of graphite, aramid, and hybrid fabric composites compared to 0°/90° laminates made from unidirectional layers (data...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003374
EISBN: 978-1-62708-195-5
...-Matrix Interface in Unidirectional Composites: Application for Carbon Fiber-Epoxy Composites , Polym. Test. , Vol 7 , 1987 , p 405 – 418 33. Yuhas D.E. , Dolgin B.P. , Vorres C.L. , Nguyen H. , and Schriver A. , Ultrasonic Methods for Characterization of Interfacial...
Book Chapter

By Tim Pepper
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003363
EISBN: 978-1-62708-195-5
... fabric 70 1.88 331 48.0 25.86 3.750 3.4 403 58.4 17.38 2.520 280 40.6 Unidirectional roving fabric 70 1.96 611 88.6 32.54 4.720 2.8 403 58.4 29.44 4.270 216 31.3 Source: Ref 1 Comparative properties of fiberglass reinforced polyester composites and various metals...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002415
EISBN: 978-1-62708-193-1
... Fig. 21 0° fiber stress range versus number of cycles to failure at 650°C and room temperature. Source: Ref 36 Fig. 22 The life of the unidirectional composite and the matrix as a function of maximum strain at 650 °C. Ref 36 Fig. 3 Increase of number of cracks for [0°/90°/±45...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... Tensile Properties of Hoop Wound Polymer Matrix Composite Cylinders Transverse tension D 5467 Compressive Properties of Unidirectional Polymer Matrix Composites Using a Sandwich Beam In-plane compression D 5766/D 5766M Open Hole Tensile Strength of Polymer Matrix Composite Laminates Open-hole...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003033
EISBN: 978-1-62708-200-6
... fibers. It describes the functions, types, and chemical composition of fiber sizing agents. The article discusses the styles, properties, applications, and weaving methods of unidirectional, two-directional and multidirectionally reinforced fabrics. The article also reviews the use of prepreg resins...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003351
EISBN: 978-1-62708-195-5
... under a set of conditions. Often, fiber properties are the most important with respect to composite performance, as in the properties of tensile strength and stiffness of a unidirectional composite in the fiber direction. However, other aspects of composite performance depend more strongly on matrix...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003002
EISBN: 978-1-62708-200-6
... Nostrand Reinhold, 1991, p 50 Properties of thermoset-matrix unidirectional advanced composites Table 4 Properties of thermoset-matrix unidirectional advanced composites Property Boron/ epoxy Boron/ polyimide S-glass/ epoxy High- modulus graphite/ epoxy High- modulus graphite/ polyimide...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003418
EISBN: 978-1-62708-195-5
... of Century Design Fig. 6 Automatic shrink tape wrapping machine. Courtesy of Century Design Fig. 7 Centerless sander. Courtesy of Century Design Fig. 8 Unidirectional tape, longitudinal ply rolling Fig. 9 Unidirectional tape, 0/90° rolling Fig. 12 Tapered...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003443
EISBN: 978-1-62708-195-5
... 4255 Standard Guide for Testing In-Plane Shear Properties of Composite Laminates. D 5379 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method D 5467 Standard Test Method for Compressive Properties of Unidirectional Polymer-Matrix Composite Materials...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003379
EISBN: 978-1-62708-195-5
... is presented here is the least complicated model that is simultaneously sufficiently comprehensive to cover the standard needs for the design of fibrous composite structures. The basic analysis is performed at the customary unidirectional lamina level, for a number of reasons: THIS ARTICLE presents...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003394
EISBN: 978-1-62708-195-5
..., and take corrective action during design. Producibility evaluations highlight areas where a ply will wrinkle during lay-up or exceed available material width. Material and process models are now available for many composites, including woven and unidirectional composites, dry and prepreg materials...