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Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003429
EISBN: 978-1-62708-195-5
... Abstract This article discusses the dies, such as shear-face dies, conical-feed dies, and bridge dies, that are used in extrusion of particle-reinforced aluminum composites. It provides an overview of the effects of reinforcements on the properties of aluminum composites. shear-face dies...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
.... It illustrates the three broad categories of MMCs depending on the aspect ratio of the reinforcing phase. The categories include continuous fiber-reinforced composites, discontinuous or short fiber-reinforced composites, and particle-reinforced composites. The article discusses the two main classes...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006488
EISBN: 978-1-62708-207-5
... Abstract In general, metal-matrix composites (MMCs) are classified into three broad categories: continuous fiber-reinforced composites, discontinuous or short fiber-reinforced composites, and particle-reinforced composites. This article focuses on stir casting and melt infiltration as the two...
Image
Published: 01 November 1995
Fig. 41 Properties of two sizes SiC-particle-reinforced Al 2 O 3 composite. (a) Strength vs. temperature, where strength was measured by the four-point bend test. (b) Toughness vs. temperature, where toughness was measured with a bend bar with a chevron notch. Courtesy of DuPont Lanxide More
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003163
EISBN: 978-1-62708-199-3
... on discontinuously reinforced (particle or whisker) aluminum MMCs because of their greater ease of manufacture, lower production costs, and relatively isotropic properties. As shown in Fig. 1 , however, higher performance composites are produced by more expensive, continuous fiber reinforcements. At the opposite...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001421
EISBN: 978-1-62708-173-3
... alloys, discontinuously reinforced aluminum composites require about double the applied force. This is because the reinforcement particles substantially increase the flow stress of the composite, even at high temperatures, preventing metal flow. Inertia friction welding studies on an A356/SiC/20 p...
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003468
EISBN: 978-1-62708-195-5
... Abstract This article describes the fatigue properties of particle-reinforced metal-matrix composites (PR-MMCs) in terms of mechanisms of crack initiation, fatigue life, and fatigue crack growth. It reviews specimen preparation and microscopic procedures that are used in fatigue testing of MMCs...
Book Chapter

Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
...-Matrix Composites,” “Continuous Reinforcements for Metal-Matrix Composites,” and “Metallic Matrices.” Extrusion, considerations are discussed in the article “Extrusion of Particle- Reinforced Aluminum Composites.” Extensive property data are provided in the article “Properties of Metal-Matrix...
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003358
EISBN: 978-1-62708-195-5
... Abstract This article focuses on the production of particulate reinforcements that are used in discontinuously reinforced metal-matrix composite (DRMMC) materials systems, their physical and materials properties, and the particle shape and overall morphology. The most common DRMMC materials...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005227
EISBN: 978-1-62708-187-0
... infiltration metal matrix composites nanocomposites computational modeling solidification reinforcement metal wettability stir mixing metal-ceramic systems particle interaction METAL-MATRIX COMPOSITES (MMCs) are engineered combinations of two or more materials in which reinforcing phases...
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003480
EISBN: 978-1-62708-195-5
...-matrix composites (PMCs) in the form of E-glass fiber-reinforced polymer (GFRP) PCBs are well-established packaging materials. Similarly, a variety of particles are added to polymers to reduce CTE and increase thermal conductivity, electrical conductivity, or both. These materials are particle-reinforced...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
..., and the distributed or reinforcement phase can be in the form of particles, platelets, whiskers or short fibers, continuous fibers, or sheet. Composites are generally classified by the matrix material: polymer, metal, or ceramic. CMCs can be further classified as discontinuously reinforced composites and continuous...
Image
Published: 01 January 1990
vol%) aluminum MMC. (f) A highly reinforced (81 vol%) MMC consisting of SiC particles in an aluminum alloy matrix. The black specks in the matrix are particles of an inorganic preform binder and do not indicate porosity. (a) and (b) Courtesy of DWA Composite Specialties, Inc. (c) and (d) Courtesy More
Book Chapter

By David E. Alman
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003448
EISBN: 978-1-62708-195-5
...) are a diverse class of materials that consist of a metallic alloy matrix typically reinforced with a ceramic phase in the form of particles, platelets, whiskers, short fibers, and continuously aligned fibers (Ref 1 , 2 , and 3 ). Metal-matrix composites are used in structural applications...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004002
EISBN: 978-1-62708-185-6
... Abstract Discontinuously reinforced aluminum (DRA) alloy metal-matrix composites (MMCs) represent an advanced aluminum materials concept whereby ceramic particles, or whiskers, are added to aluminum-base alloys through the use of either ingot-melting or casting and/or powder-metallurgy (P/M...
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003437
EISBN: 978-1-62708-195-5
.... Characterization Techniques For particle-reinforced aluminum composites, the reinforcements are characterized for chemical composition and particle size distribution. The matrix alloys are analyzed to ensure they are appropriate for the alloy and incoming form. Casting alloys are analyzed as ingots...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002414
EISBN: 978-1-62708-193-1
... Abstract This article reviews the tensile properties and toughness characteristics of discontinuously reinforced aluminum (DRA) composites in terms of particle spacing, particle size, volume fraction, matrix alloy, and matrix microstructure. Both fracture toughness data and impact toughness...
Book Chapter

By David Weiss
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003472
EISBN: 978-1-62708-195-5
... be pulled from the segregated melt, which is then checked using spectrographic techniques. For the SiC reinforced composites, techniques have been developed ( Ref 3 ) to check both particle loading and elemental chemistry using optical emission spectroscopy with a spectrometer equipped with a carbon line...
Series: ASM Handbook Archive
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003449
EISBN: 978-1-62708-195-5
..., and/or volume fraction of the ceramic reinforcement phase. With ductile reinforcement, on the other hand, toughness generally increases with volume fraction up to 15 vol% metal; however, composites containing greater than 5 vol% metal particles typically experience some degradation in strength and hardness...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006869
EISBN: 978-1-62708-395-9
... composites is the synergistic effects of fillers that would superimpose onto each other. To obtain effective reinforcement of a polymeric matrix that is relatively soft, transformation of the stresses to fillers (fibers, particle filler, or combinations of both) is essential. This stress transformation...