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discontinuously reinforced composites

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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...
Image
Published: 01 January 2001
Fig. 8 Cyclic stress-strain loops for a discontinuously reinforced composite compared to unreinforced matrix alloy. (a) Stress-controlled conditions. (b) Strain-controlled conditions. Source: Ref 45 More
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Published: 01 December 2008
Fig. 25 Discontinuously reinforced aluminum metal-matrix composites. (a) Multi-inlet SiC p -Al truss node. (b) Gr p -Al composite components for electronic packaging applications More
Series: ASM Handbook
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...
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 unidirectional fiber reinforced metal matrix composites (MMCs). It discusses the elastic deformation and elastic-plastic deformation analysis of discontinuously reinforced MMCs. The article provides an overview of analysis of strength, fatigue, and fracture toughness for macromechanics fiber-reinforced...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
..., discontinuously reinforced composites and continuous-fiber-reinforced composites. Processing methods include cold pressing, sintering, hot pressing, reaction bonding, melt infiltration, directed metal oxidation, sol-gel and polymer pyrolysis, self-propagating high-temperature synthesis and joining. A table...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003371
EISBN: 978-1-62708-195-5
.... The reinforcements are either in the form of continuous fibers or discontinuous reinforcements, such as chopped fibers, whiskers, particulates, or platelets. Metal-matrix composites can contain either continuous or discontinuous or a combination of both these reinforcements. The main advantage of discontinuously...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003448
EISBN: 978-1-62708-195-5
... Abstract Metal-matrix composites (MMCs) are used in structural applications, and in applications requiring wear resistance, thermal management, and weight savings. This article summarizes the mechanical and thermal properties of discontinuously reinforced aluminum MMCs, laminated metallic...
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
... an overview of the status of MMCs, and provides information on physical and mechanical properties, processing methods, distinctive features, and various types of continuously and discontinuously reinforced aluminum, magnesium, titanium, copper, superalloy, and intermetallic-matrix composites. It further...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003480
EISBN: 978-1-62708-195-5
... true for silicon carbide particle-reinforced aluminum (often called Al/SiC in the electronic packaging industry and discontinuously reinforced aluminum, or DRA, in the aerospace industry), which is one of the most important of the new composite packaging materials. In the following sections...
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...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003163
EISBN: 978-1-62708-199-3
..., such as the aluminides of titanium, nickel, and iron, are also under development. Reinforcements, characterized as either continuous or discontinuous, may constitute from 10 to 70 vol% of the composite. Continuous fiber or filament (f) reinforcements include graphite, silicon carbide (SiC), boron, aluminum oxide (Al 2 O...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003350
EISBN: 978-1-62708-195-5
... polymers, where the discontinuous phase is more compliant and more ductile than the polymer, resulting in improved toughness. Similarly, steel wires have been used to reinforce gray cast iron in truck and trailer brake drums. Composites are commonly classified at two distinct levels. The first level...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003472
EISBN: 978-1-62708-195-5
... Abstract This article focuses on the techniques used in recycling of aluminum metal matrix composites (MMCs) such as discontinuous SiC reinforced aluminum MMCs and continuous reinforced aluminum MMCs. It provides a discussion on the properties of recycled aluminum MMCs and disposal of aluminum...
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Published: 01 January 1989
Fig. 1 Cross sections of typical fiber-reinforced MMCs. (a) Continuous fiber reinforced graphite/aluminum composites. (b) Discontinuous silicon carbide/aluminum composite. (c) Continuous-fiber silicon carbide/aluminum composite More
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Published: 01 January 1990
Fig. 1 Cross sections of typical fiber-reinforced MMCs. (a) Continuous-fiber-reinforced boron/aluminum composite. Shown here are 142 μm diam boron filaments coated with B 4 C in a 6061 aluminum alloy matrix. (b) Discontinuous graphite/aluminum composite. Cross section shows 10 μm diam chopped More
Image
Published: 01 January 2001
) A fluid manifold end gland currently used in F-18 E/F aircraft as part of the subsystem that controls the rudder and aileron. The material is a powder metallurgy discontinuously reinforced aluminum, 2009/SiC/15p. Dimensions for the end gland are provided in the text. Courtesy of DWA Aluminum Composites More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003420
EISBN: 978-1-62708-195-5
... magnesium, copper, and superalloy MMCs. metal-matrix composites high-pressure die casting pressure infiltration casting liquid metal infiltration spray deposition powder metallurgy continuous fiber-reinforced aluminum composite discontinuously reinforced titanium composites continuous fiber...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003031
EISBN: 978-1-62708-200-6
... for their structural properties, the definition can be restricted to include only those materials that contain a reinforcement (such as fibers or particles) supported by a binder (matrix) material. Thus, composites typically have a discontinuous fiber or particle phase that is stiffer and stronger than...
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...