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matrix-toughening methods

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Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009080
EISBN: 978-1-62708-177-1
... impregnation material quality microstructure morphology particle interlayer toughening prepregs reflected-light optical microscopy single-pass impregnation thermoplastic materials thermoset-matrix composites THE PERFORMANCE of fiber-reinforced composite systems has evolved in response to new...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009071
EISBN: 978-1-62708-177-1
... transfer molding, vacuum-assisted resin transfer molding, and resin film infusion. It explains the composite- and matrix-toughening methods for fiber-reinforced composites, such as dispersed-phase toughening and interlayer toughening. The article concludes with information on optical microscopy, which...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009081
EISBN: 978-1-62708-177-1
... interlayer-toughened composite failure mechanisms. aircraft industry brittle-matrix composite failures composite design composites c-scan methods dispersed-phase thermoset-matrix composite failures impact parameters impact response impact-damaged composites material characteristics optical...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003449
EISBN: 978-1-62708-195-5
... the mechanisms of toughening are much the same, glass-matrix composites are not discussed here as a separate type of CMC, but are included in the general discussion of DR-CMCs and CFCCs. Discontinuously Reinforced Ceramic-Matrix Composites Discontinuously reinforced ceramic-matrix composites are a class...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002418
EISBN: 978-1-62708-193-1
... the dissipation that occurs with a bridging zone. (a) Ductile ligaments. (b) Brittle reinforcements Ductile Phases The material systems that exhibit plasticity-induced toughening have three distinct microstructures: isolated ductile reinforcements in an elastic matrix, interpenetrating ductile/elastic...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009094
EISBN: 978-1-62708-177-1
... valuable tools for analyzing fiber-reinforced polymeric-matrix composites. Unfortunately, with all of the nonoptical methods of analysis available today, optical microscopy is often overlooked or not used to the fullest extent. The contents of these articles were developed after many years of the authors...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003469
EISBN: 978-1-62708-195-5
...-matrix composite. Source: Ref 4 Fig. 4 Flat, nearly featureless fracture surface indicative of linear-elastic, very low energy absorbing stress-strain behavior (poor toughening behavior of CMCs); alumina (PRD-166) fiber reinforced glass-matrix composite. Source: Ref 5 Evidence...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... Abstract Ceramic-matrix composites (CMCs) are being developed for a number of high-temperature and high-performance applications in industrial, aerospace, and energy conservation sectors. This article focuses on processing, fabrication, testing, and characterization methods of CMCs, namely...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003486
EISBN: 978-1-62708-195-5
... on discontinuously reinforced CMCs, including their toughening mechanisms and properties, can be found in the article “Properties and Performance of Ceramic-Matrix and Carbon-Carbon Composites” in this Volume. Cutting Tools Both particulate-reinforced and whisker-reinforced Al 2 O 3 have found use...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009082
EISBN: 978-1-62708-177-1
..., “Toughening Methods for Thermoset-Matrix Composites,” the use of various toughening materials in thermosetting matrices may alter the matrix microstructure and can be influenced by the cure cycle. Another factor that is sometimes disregarded is the fiber influence on the matrix microstructure in composite...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009075
EISBN: 978-1-62708-177-1
... preparation stains WHEN VIEWING A POLISHED fiber-reinforced composite specimen, there are many factors to consider. The composite constituents (such as matrix and fiber type), the capability of the microscope, and the type of information that is desired will play an important role in the analysis...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003311
EISBN: 978-1-62708-176-4
... specimen type. linear-elastic fracture mechanics elastic-plastic fracture mechanics fracture mechanics ceramics single edge notch bending testing compact tension testing double cantilever beam testing chevron notch methods double torsion method fracture toughness ceramic matrix composites...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0009079
EISBN: 978-1-62708-177-1
... in the composite significantly affects the microcracking, as does the concentration of the toughener ( Ref 4 ). Along with the matrix constituents, the fiber properties and fiber-matrix adhesion levels also influence the microcracking susceptibility of the cured composite ( Ref 3 , 5 ). In addition...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001107
EISBN: 978-1-62708-162-7
... or monoclinic symmetry. ZTA is a material of interest primarily because it has a significant higher strength and fracture toughness than alumina. Fig. 4 Scanning electron micrograph of high-purity, zirconia-toughened alumina showing dispersed zirconia phase (white) within an alumina matrix...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003367
EISBN: 978-1-62708-195-5
... systems to be used for satellite composite structures, but problems soon became apparent with these systems. Matrix microcracking during thermal cycling with unmodified systems reduced structural stiffness and caused instability. Rubber-toughened resin systems did not hold up to radiation exposure, losing...
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
..., contact angle, work of adhesion, solid surface energy, and wetting and wicking. The article describes the change in interphase depending on the reinforcing fiber such as glass fiber, polymeric fiber, and carbon fiber. It emphasizes fiber-matrix adhesion measurements by direct methods, indirect methods...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003362
EISBN: 978-1-62708-195-5
... in great detail. Toughening is principally due to plastic deformation of the matrix and rubber particle at the crack tip. In rubber- modified resin systems, this deformation is achieved through crazing, shear band formation, particle cavitation, bridging, and voiding for stress relaxation at a crack tip...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
... bonding cleaning composite repair core splicing epoxy adhesive hot forming mechanical forming polymer-matrix composites trimming ADHESIVE BONDING frequently is used to assemble composite components into larger structures. In addition, finished components that are damaged during assembly...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002126
EISBN: 978-1-62708-188-7
... that are subjected to high temperature during synthesis or use ( Ref 1 ). The use of ceramic tools in metal cutting, after a long period of slow growth, is beginning to increase with the advent of alloyed ceramics and ceramic-matrix composites, as well as with the advances in ceramic processing technology...
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
... Abstract This article provides a summary of the concepts discussed in the articles under the Section “Constituent Materials” in ASM Handbook, Volume 21: Composites. The Section describes the major matrix resins and reinforcing fibers used in composite materials, as well as some...