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composite matrices

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030237
EISBN: 978-1-62708-349-2
...Abstract Abstract Polymer composite materials are subject to degradation if not appropriately protected from the environment. Composite materials having polymeric matrices are susceptible to degradation from heat, sunlight, ozone, atomic oxygen (in space), moisture, solvents (chemicals...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870063
EISBN: 978-1-62708-314-0
...Relative characteristics of thermoset resin matrices Table 3.1 Relative characteristics of thermoset resin matrices Polyesters Used extensively in commercial applications. Relatively inexpensive, with processing flexibility. Used for continuous and discontinuous composites. Vinyl...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
...Abstract Abstract This chapter provides a general description of materials and methods for manufacturing high-performance composites. The materials covered are polymer matrices and prepreg materials and the methods include infusion processes, composite-toughening methods, matrix-toughening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030177
EISBN: 978-1-62708-349-2
...Abstract Abstract The second-generation composite materials were added to increase the strain to failure of the primary phase and/or create a dispersed second phase, thereby enhancing the fracture toughness of the thermosetting matrix. These matrices offered novel design capabilities...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.9781627083492
EISBN: 978-1-62708-349-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030159
EISBN: 978-1-62708-349-2
... matrices are often toughened, which can increase the stress level that is necessary to initiate microcracking. The location of the toughness modifiers in the composite significantly affects the microcracking, as does the concentration of the toughener ( Ref 4 ). Along with the matrix constituents...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030089
EISBN: 978-1-62708-349-2
... removes both the fogging and the hot spot from the image. It is often found that polymeric matrices in composite materials do not display much contrast when viewed using the aforementioned reflected-light techniques. As a consequence, dyes that bind to various phases or etchants for dissimilar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
..., Quartz and Ceramic Fibers , Handbook of Composites , Chapman & Hall , 1998 , p 156 – 168 10.1007/978-1-4615-6389-1_9 • Naslain R.R. , Ceramic Matrix Composites: Matrices and Processing , Encyclopedia of Materials: Science and Technology , Elsevier Science Ltd. , 2000 10.1016/B0...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030023
EISBN: 978-1-62708-349-2
... casting resin is preferred because it has the least shrinkage during cure and excellent adhesion. With the many options for epoxy casting resins, products with a higher hardness usually provide better results. A high hardness will correlate with most high-performance composite matrices and provide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
...Abstract Abstract Ceramic-matrix composites possess many of the desirable qualities of monolithic ceramics, but are much tougher because of the reinforcements. This chapter explains how reinforcements are used in ceramic-matrix composites and how they alter energy-dissipating mechanisms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030211
EISBN: 978-1-62708-349-2
... thought that the microstructure of thermoplastic matrices is affected more by the cure cycle than the microstructure of thermosetting matrices. This is due to the semicrystalline nature of many engineering thermoplastics used as matrices in high-performance composites. However, the microstructure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870421
EISBN: 978-1-62708-314-0
... the midplane. The important characteristics of the [ A ], [ B ], and [ D ] matrices are as follows: In the Tsai-Wu criterion, a composite ply subject to plane stress conditions will fail when the following condition is satisfied: (Eq 16.60) F 11 σ 11 + F 2 σ 22...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780417
EISBN: 978-1-62708-281-5
... of Composites with Ductile Thermoplastic Matrices Translaminar fractures occur when loading of the composite specimen causes fracture perpendicular to the plane of fiber reinforcement. Unlike interlaminar failures, where most of the fractographic information is in the matrix material, translaminar...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... of Tetraglycidyl Diaminodiphenyl Methane with Diaminodiphenyl Sulfone , J. Appl. Polym. Sci. , Vol 28 , 1983 , p 1011 – 1024 10.1002/app.1983.070280309 74. Mones E.T. and Morgan R.J. , FTIR Studies of the Chemical Structure of High Performance Composite Matrices , Div. Poly. Chem. , Vol...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550385
EISBN: 978-1-62708-307-2
..., a requirement where the application is exposed to high temperatures. Fig. 8.4 Major polymer-matrix composite fabrication processes. Source: Ref 8.1 8.1 Advantages and Disadvantages of Composite Materials 8.2 Applications 8.3 Laminates 8.4 Fibers 8.5 Product Forms 8.6 Matrices 8.7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060223
EISBN: 978-1-62708-343-0
... 0.3298 0.3622 0.4160 0.5278 (a) E = Young’s modulus in units of 10 6 × MPa; μ = Poisson’s ratio; α = coefficient of thermal expansion in units of 10 −5 °C −1 Effective orthotropic properties of the composite Table 9.2 Effective orthotropic properties of the composite Property...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... system and cure method. Source: Ref 1 Common trade-offs when selecting composite materials Table 18.1 Common trade-offs when selecting composite materials Design decision Common trade-offs Typically lowest cost Typically highest performance Fiber type Cost, strength, stiffness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
...Common reinforcements for discontinuous aluminum composites Table 20.1 Common reinforcements for discontinuous aluminum composites Property Reinforcement SiC p Al 2 O 3p TiB 2p Al 2 O 3c (a) SiC w (b) Density, g/cm 3 3.21 3.97 4.5 3.3 3.19 Diameter, u m...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030043
EISBN: 978-1-62708-349-2
... of the preparation steps is due to the heterogeneous and anisotropic nature of composites. Multiple phases in the matrices as well as the fibers create a material of varying hardness and therefore are significantly affected by the preparation procedure. It is for this reason that only the grinding and polishing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... for close to four decades using polymer matrices and metal matrices with some success, but have not particularly been explored for titanium matrix composites. The very high stiffness and strength of fibers that can be used in TMC means that a titanium composite could be almost twice as stiff as conventional...