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Fibrous structure

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420135
EISBN: 978-1-62708-310-2
... at the growth front is also returned to the monotectic temperature. The repetition of this process will result in the banded structure as shown in Fig. 7.8 . It should be noted that some fibrous structure might form even in the case of banding ( Fig. 7.9 ). Fig. 7.6 Restriction on composite growth...
Image
Published: 01 December 2004
) but at 800×. (g) Class 4, absence of lamellar structure. 200×. (h) Same as (g) but at 800×. (i) Class 5, fibrous silicon eutectic. 200×. (j) Same as (i) but at 800×. (k) Class 6, very fine structure. 200×. (l) Same as (k) but at 800×. Source: Ref 10 More
Image
Published: 01 December 2004
) but at 800×. (g) Class 4, absence of lamellar structure. 200×. (h) Same as (g) but at 800×. (i) Class 5, fibrous silicon eutectic. 200×. (j) Same as (i) but at 800×. (k) Class 6, very fine structure. 200×. (l) Same as (k) but at 800×. Source: Ref 10 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
... of this technology has been demonstrated. The application of this method to engineered castings is problematic. 4.4 Aluminum-Silicon Eutectic Modification The properties of hypoeutectic aluminum-silicon alloys can be affected by modifying the form of the eutectic. A finer, more fibrous eutectic structure can...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420087
EISBN: 978-1-62708-310-2
... or fibrous morphology of the phases Regular or irregular growth Lamellar and Fibrous Eutectics When there are approximately equal volume fractions of the phases (nearly symmetrical phase diagram), eutectic alloys generally have a lamellar structure, for example, Al-Al 2 Cu ( Fig. 5.10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030137
EISBN: 978-1-62708-349-2
... Abstract Analyzing the structure of composite materials is essential for understanding how the part will perform in service. Assessing fiber volume variations, void content, ply orientation variability, and foreign object inclusions helps in preventing degradation of composite performance...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... capability, high hardness and wear resistance, low thermal conductivity, and chemical inertness. The high-temperature capability of ceramics makes them very attractive materials for extremely high-temperature environments. However, due to their very low fracture toughness, ceramics are limited in structural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030001
EISBN: 978-1-62708-349-2
..., and dispersed-phase toughening. In addition, the chapter provides information on interlayer-toughened composites and honeycomb or foam structure composite materials. It also discusses the processes in optical microscopy of composite materials. dispersed-phase toughening honeycomb structure infusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.9781627083492
EISBN: 978-1-62708-349-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630063
EISBN: 978-1-62708-270-9
... FROM A FUNDAMENTAL STANDPOINT, there are only two modes, or ways, in which metals can fracture under single, or monotonic, loads: shear and cleavage. These two modes differ primarily in the way in which the basic metal crystal structure behaves under load. Because most engineering metals at room...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
.... On the basis of continuum solid mechanics, working solutions of stress/strain and load relationships for some structural elements are derived and presented. In this chapter, the phenomena of deformation and fracture are discussed in more detail for metals and engineering alloys. Many factors influence...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... products move to the burning zone through the fibrous layers. In general, the thickness of a structure can affect the surface flammability characteristics, depending on the external heat flux. At lower heat fluxes, thicker laminates burn more slowly, but at higher heat fluxes, thick and thin laminates burn...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
... a directional variation in strength, ductility, fracture toughness, and fatigue strength. This anisotropy in properties is greatest between the working (longitudinal) direction and the transverse direction. In a properly designed forging, the largest stress should be parallel to the fibrous structure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870255
EISBN: 978-1-62708-314-0
... Fibers ,” E.I. DuPont de Nemours & Company • Moors G.F. , Arseneau A.A. , Ashford L.W. , and Holly M.K. , “ AV-8B Composite Horizontal Stabilator Development ,” 5th Conference on Fibrous Composites in Structural Design , 27–29 Jan 1981 • Radtke T.C...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870031
EISBN: 978-1-62708-314-0
... an amorphous structure ( Fig. 2.5 ). Bushing plates are heated electrically, and the temperature is precisely controlled to maintain a constant glass viscosity. Attenuation is the process of mechanically drawing the extruded streams of molten glass into fibrous elements called filaments . A high-speed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870449
EISBN: 978-1-62708-314-0
... ANALYTICAL CONSIDERATIONS, as discussed in the previous chapter, includes much discussion of unnotched laminates. However, for practical purposes, the joints in a composite structure should be designed first and then the space between them filled in with appropriate laminate orientations. Optimization...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560427
EISBN: 978-1-62708-291-4
... is sufficiently ductile for the crystals to elongate before the fracture occurs. When a fibrous fracture is obtained in an impact test, it may be regarded as definite evidence of toughness of the metal. See also crystalline fracture. fibrous structure. (1) In forging, a structure revealed as laminations...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560127
EISBN: 978-1-62708-353-9
... then describes the effect of tempering on the mechanical properties of plain carbon steels and the microstructure of plain carbon steels. It shows examples of the structure of plain carbon steels. Additionally, the chapter explains the stages and kinetics of tempering in alloy steels and plain carbon steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... appearance of the surface of a ductile fracture is dull and fibrous. This is caused by deformation on the fracture surface. Ductile fractures proceed only as long as the material is being strained; that is, stop the deformation and the crack stops propagating. At the other extreme, once a brittle crack...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
... the appearance of macroetched pieces of steel in his work. Rinmann promoted this technique in his book On the Etching of Iron and Steel , written in the late 1700s. Sorby, in his classic work published in 1887 “On the Microscopical Structure of Iron and Steel,” showed “nature prints,” which were inked contact...