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titanium-matrix composites

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
.... aluminum matrix composites chemical composition continuous metal matrix composites discontinuous metal matrix composites fiber metal laminates liquid metal infiltration slurry casting stir casting titanium matrix composites METAL MATRIX COMPOSITES (MMCs) offer a number of advantages compared...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the types of fibers and matrix materials used in ceramic matrix composites and the role of interfacial coatings. It describes the methods used to produce ceramic composites, including powder processing, slurry infiltration and consolidation, polymer infiltration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
... in a matrix, as shown in Fig. 10.1 , the stress applied to the matrix is transferred to the fiber by shear across the interface. The matrix and the fiber will experience different tensile strains because their moduli are different. In the region near the fiber ends, the strain in the fiber will be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... Abstract This chapter discusses the use of mechanical fastening and adhesive bonding, the primary methods for joining polymer matrix composites. It describes and analyzes the basic types of mechanically fastened joints, including single-hole and multirow bolted composite joints. It then reviews...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... counterboring can occur. As shown in Fig. 11.10 , as the metal chips of aluminum or titanium travel up the flutes, they tend to erode the softer liquid shim and composite matrix material, causing eroded and oversize holes. Back counterboring can be minimized by: (1) eliminating all gaps; (2) using a drill...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
... calculated: (Eq 13.1) V f = ρ m   W f ρ m ⁢   W f + ρ m ⁢   W f where W f is the weight of the fibers and W m is the weight of the matrix, and it is assumed that the void content of the composite is negligible. A comparison of...
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
... Abstract This chapter discusses the use of thermoset and thermoplastic resins in polymer matrix composites. It begins by explaining how the two classes of polymer differ and how it impacts their use as matrix materials. It then goes on to describe the characteristics of polyester, vinyl ester...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870517
EISBN: 978-1-62708-314-0
... bolted repair ( Fig. 19.8 ) consists of an external titanium patch, a center plug in the damaged area, and a two-piece internal patch. The internal patch is split into two pieces so that it can be inserted inside the skin. Normal composite drilling and fastener installation procedures are used. Both...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870235
EISBN: 978-1-62708-314-0
... careful consideration. Factors that need to be considered include the chemical makeup of the peel ply such as, nylon vs. polyester, as well as its compatibility with the composite matrix resin; the surface treatment used on the peel ply because silicone coatings that make the peel ply easier to remove can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870489
EISBN: 978-1-62708-314-0
... are normally surface-treated to improve their adhesion to the polymeric matrix. Several other fibers are occasionally used for polymeric composites. Boron fiber was the original high-performance fiber before carbon was developed. It is a large-diameter fiber that is made by pulling a fine tungsten...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... honeycomb core terminology is given in Fig. 9.6 . The honeycomb itself can be manufactured from aluminum, glass fabric, aramid paper, aramid fabric, or carbon fabric. Honeycomb manufactured for use with organic matrix composites is bonded together with an adhesive, called the node bond adhesive . The “ L...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
..., and performance-cost tradeoffs of common MMCs, including aluminum-matrix composites, titanium-matrix composites, and fiber-metal laminates. It also explains how fiber-reinforced composites and laminates are made, describing both continuous and discontinuous fiber matrix production processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230163
EISBN: 978-1-62708-298-3
.... Fine beryllium wire, usually of 0.127 mm (0.005 in.) diameter, has been used in several composite studies. Beryllium wire-aluminum- and beryllium wire-titanium-matrix composites were studied by Goodwin and Herman [1970] . Properties of the wire composites were good, but the composite fabrication was...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120131
EISBN: 978-1-62708-269-3
... Abstract This chapter discusses some of the promising developments in the use of titanium, including titanium aluminides, titanium matrix composites, superplastic forming, spray forming, nanotechnology, and rapid solidification rate processing. It also reports on efforts to increase the...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120013
EISBN: 978-1-62708-269-3
... phase has not proven to be a factor in commercial systems using present-day processing practice. Alpha-2 has been considered to be a concern in some cases of stress-corrosion cracking. (Most present interest in alpha-2 centers on its use as a matrix for a high-temperature titanium alloy where stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120095
EISBN: 978-1-62708-269-3
.... When alpha-beta titanium alloys are heat treated high in the alpha-beta range and then cooled, the resulting structure is called equiaxed because of the presence of globular (equiaxed) primary alpha in the transformed beta (platelike) matrix. When a 100% transformed beta structure is achieved by...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120123
EISBN: 978-1-62708-269-3
... coefficient for beta titanium. Most metals and alloys are susceptible to hydrogen damage, and many are susceptible to more than one type of hydrogen damage. As noted, titanium and its alloys become embrittled by hydrogen at concentrations that produce a hydride phase in the matrix. The exact level of...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... structural soundness of metal, and the solvent materials applied are of a different chemical composition. One specific problem encountered in alpha-case removal is that the titanium oxide formed is substantially more insoluble in the nitric hydrofluoric etchant than the base metal is. Residues of oxide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120025
EISBN: 978-1-62708-269-3
... or high-density inclusions in the titanium matrix. The strength levels of commercially pure (CP) titanium (ASTM and ASME grades 1 through 4) basically are controlled by oxygen and iron contents. Differences in mechanical properties between extra-low-interstitial (ELI) grades and standard grades...