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composite consolidation

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003419
EISBN: 978-1-62708-195-5
... Abstract This article describes the characteristics of thermoplastic composites and its material forms. It presents the steps and considerations in manufacturing the thermoplastic composites. The article describes the various techniques of manufacturing, such as consolidation, autoclave molding...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003425
EISBN: 978-1-62708-195-5
...-impregnated thermoplastics, and true thermoplastics. It describes the processing methods of thermoplastic composites, including weaving, seaming, autoclaving, preconsolidation, roll consolidation, roll forming/pultruding, thermoforming, press forming, hydroforming, and diaphragm forming. The article provides...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006058
EISBN: 978-1-62708-175-7
... essentially functions like a metal-matrix composite after consolidation. Fig. 9 Scanning electron micrograph of inert-gas-atomized 38Al-62Be particle. The eutectic microstructure consists of a beryllium dendritic phase (dark) and an interdendritic aluminum phase (white). Beryllium Oxide Powder...
Image
Published: 30 September 2015
Fig. 8 Sequence of direct consolidation of the blended elemental (BE) powder-based mill product processing steps. (a) Raw TiH 2 was powder blended with a master alloy for Ti-6Al-4V composition, then cold isostatically pressed (CIPed) at 448 MPa (65 ksi) pressure. The green compacts are vacuum More
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006069
EISBN: 978-1-62708-175-7
... Abstract This article discusses two major sintering methods: pressureless and pressure-assisted sintering. Pressureless sintering techniques include vacuum and partial-pressure, hydrogen, and microwave sintering. Pressure-assisted consolidation techniques include overpressure sintering...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003368
EISBN: 978-1-62708-195-5
... temperatures, together with the typical lack of tack of thermoplastic prepregs, have required processing techniques that are significantly different from those used for thermosetting composites. One low-cost technique has been lay-up and heat consolidation of a flat laminate, followed by thermoforming...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006142
EISBN: 978-1-62708-175-7
...” in this Volume. A number of traditional metal working methods, such as rolling, forging, and extrusion, are found suitable for consolidating metal powders into high density PM materials. These processes are adapted to accommodate powders or powder compacts as feed material without much difficulty. Also...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001064
EISBN: 978-1-62708-162-7
... with aluminum alloy powders to form metal-matrix composites (MMCs). However, the fine particles of matter must be consolidated and formed into useful shapes. The potential benefits of P/M technology can be realized, or lost, in the critical consolidation-related and forming processes. Aluminum P/M Processing...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003395
EISBN: 978-1-62708-195-5
.... Machining is necessary to facilitate mechanical joints, cut small parts from stock items, and remove excess material. To avoid damage, composites should not be machined using metal techniques that use cutting, tearing, or shaving tools. Thus, if a cavity is required, it should be formed in the consolidation...
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
...-consolidated in an autoclave by a metallic vacuum bag. Aluminum-SiC MMCs exhibit increased strength and stiffness as compared with unreinforced aluminum, with no weight penalty. In contrast to the base metal, the composite retains its room-temperature tensile strength at temperatures up to 260 °C (500 °F...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002492
EISBN: 978-1-62708-194-8
... damage, composites should not be machined using metal techniques that use cutting, tearing, or shaving tools. Thus, if a cavity is required, it should be formed in the consolidation process and not by machining unless it is a thick-walled shape or has a “strong-back” composite or metal liner bonded...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003129
EISBN: 978-1-62708-199-3
... Abstract This article provides an overview of the composition and properties of powder metallurgy (P/M) aluminum powders for pressed and sintered parts. It includes the steps involved in the processing of high-performance P/M alloys. The article describes the classes of high-performance P/M...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003406
EISBN: 978-1-62708-195-5
... Abstract Open molding is the method used in the polymer-matrix composites industry to make thermoset composite products. This article discusses the advantages, disadvantages, and applications of the open molding. It describes the various process of the open molding, such as hand lay-up process...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003165
EISBN: 978-1-62708-199-3
... conductivity. The article describes structural, instrument, and optical grade beryllium and the corresponding compositional ranges. It also discusses processing and product forms as well as factors affecting corrosion resistance. The article concludes with a short note on health and safety considerations when...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006091
EISBN: 978-1-62708-175-7
... methods, internal oxidation, and hybrid consolidation. The availability of the refractory metals and compounds in various product forms are also reviewed. carbide-based composites electrical contacts hybrid consolidation internal oxidation melt-cast method molybdenum powder metallurgy...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001086
EISBN: 978-1-62708-162-7
.... Beginning with an overview of the mining and refining processes of beryllium, this article discusses powder production and consolidation methods, beryllium grades and their designations, and the protective measures that have been enacted to reduce exposure to beryllium. beryllium beryllium...
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
... It is well known that the crystallinity of thermoplastic-matrix fiber- reinforced composites is affected by the rate of cooling after being consolidated at high temperature and pressure. In this regard, thermoplastic matrices have characteristics similar to metals. For thermoplastic-matrix composites to have...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001103
EISBN: 978-1-62708-162-7
..., including consolidation, hot rolling, heat treating, and the fabrication of mill products. It also discusses the nominal composition and microstructure of commercial ODS alloys, including nickel, iron, and aluminum-base systems, and provides detailed information on their mechanical, physical, oxidation...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001049
EISBN: 978-1-62708-161-0
..., consolidation method, mechanical properties, and surface stability is emphasized in this article. Wrought Nickel Alloys Nickel alloys in commercial service and under development range from single-phase alloys to precipitation-hardened superalloys and oxide dispersion strengthened alloys and composites...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003423
EISBN: 978-1-62708-195-5
...-processing advantages compared to thermoset composites. As a natural result of their structure, thermoplastic composites can be reformed into structural shapes after their initial consolidation. In addition, novel joining technologies such as induction welding are available for assembly operations...