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brittle solids

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Published: 30 November 2013
Fig. 8 (a) Catastrophic brittle fracture of a 260 in. diam solid-propellant rocket motor case made of 18% Ni, grade 250, maraging steel. The case fractured at a repaired weld imperfection during a hydrostatic pressure test. Fracture occurred at about 57% of the intended proof stress. All welds More
Image
Published: 01 November 2012
Fig. 26 Brittle fracture of solid rocket motor case during proof test. (a) Catastrophic brittle fracture of a 660 cm (260 in.) diameter solid propellant rocket motor case made of 18% Ni, grade 250, maraging steel. The case fractured at a repaired weld imperfection during a hydrostatic pressure More
Image
Published: 01 November 2012
Fig. 6 Catastrophic brittle fracture of a 660 cm (260 in.) diameter solid propellant rocket motor case made of 18% Ni, grade 250, maraging steel. The case fractured at a repaired weld imperfection during a hydrostatic pressure test. Fracture occurred at approximately 57% of the intended proof More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240221
EISBN: 978-1-62708-251-8
... Abstract Fracture is the separation of a solid body into two or more pieces under the action of stress. Fracture can be classified into two broad categories: ductile fracture and brittle fracture. Beginning with a comparison of these two categories, this chapter discusses the nature and causes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410213
EISBN: 978-1-62708-265-5
... on strength and toughness, continuous and discontinuous yielding behaviors, and dispersion and solid-solution strengthening processes. aging deformation ductile-to-brittle transition ferrite fracture microstructure strengthening AT SOME STAGE OF PROCESSING, the matrix microstructure of all...
Image
Published: 01 September 2008
Fig. 27 Surface fracture spring. The dotted arrow shows the fatigue crack nucleus, and the dashed arrow shows the fatigue-to-brittle fracture transition. The solid arrow shows the surface analyzed by scanning electron microscopy. Original magnification: 6× More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630081
EISBN: 978-1-62708-270-9
... Solid metal induced embrittlement All steel Near-molten low- T M metal exposure Ductility decreases DBTT: ductile-brittle transition temperature; T M : melting temperature. Source: Ref. 9 Strain-Age Embrittlement Most susceptible to the phenomenon of strain-age embrittlement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420143
EISBN: 978-1-62708-310-2
...%, the remainder of the diagram with 6.7 to 100% C is of no engineering interest. Cementite is a hard and brittle intermetallic compound with an orthorhombic crystalline structure. Fig. 8.2 The Fe-Fe 3 C diagram. Solid lines indicate Fe-Fe 3 C diagram; dashed lines indicate iron-graphite diagram. Source...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... to a range of fracture toughness levels. Data obtained from specimens in room temperature air, 50 Hz, R = 0.1. Source: Ref 9 Cyclic slip is the basis for fatigue in metals; however, the strong bonds in highly brittle solids restrict the dislocation movement (slip) for fatigue initiation. Thus...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... Abstract Beryllium has been successfully joined by fusion welding, brazing, solid-state bonding, and soldering. This chapter describes these processes in detail along with their advantages and disadvantages. It also addresses application considerations such as surface preparation, joint design...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860237
EISBN: 978-1-62708-348-5
.... In the f.c.c. materials, solid-solution strengthening is a convenient way to produce practical alloys with better strength. In b.c.c. materials, solution additions are sometimes used to increase strength, but often are used to increase toughness, that is, resistance to brittle fracture at cracks, notches...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240041
EISBN: 978-1-62708-251-8
... Abstract When a metal is alloyed with another metal, either substitutional or interstitial solid solutions are usually formed. This chapter discusses the general characteristics of these solutions and the effects of several alloying elements on the yield strength of pure metals. It presents...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630063
EISBN: 978-1-62708-270-9
... applications, and fatigue for multiple-load applications. Each of these fracture modes are discussed in this chapter. The factors affecting the ductile brittle relationship are also covered. cleavage fatigue fracture modes intergranular fracture quasi-cleavage fracture shear single-load fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060239
EISBN: 978-1-62708-355-3
... Abstract This chapter details low-temperature test procedures and equipment. It discusses the role temperature plays in the properties of typical engineering materials. The effect that lowering the temperature of a solid has on the mechanical properties of a material is summarized for three...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
... Abstract Soldering and brazing represent one of several types of methods for joining solid materials. These methods may be classified as mechanical fastening, adhesive bonding, soldering and brazing, welding, and solid-state joining. This chapter summarizes the principal characteristics...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... developed a quantitative energy-based relationship for fracture in flawed brittle solids. Griffith said the driving force to extend a crack is the difference between the energy that could be released if the crack is extended and the energy needed to create new surfaces. This approach did not find much use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440001
EISBN: 978-1-62708-262-4
..., and nitrocarburizing, is provided. annealing carbonitriding carburizing ferritic nitrocarburizing nitriding normalizing quenching steel stress relieving tempering THE GENERALLY ACCEPTED TERM for heat treating metals and metal alloys is “heating and cooling a solid metal or alloy in such a way so...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380235
EISBN: 978-1-62708-456-7
... ciency of water at the vapor phase or hot stage of the quenching process. brittle fracture Separation of a solid accompanied by little or no macroscopic plastic deformation. Typically, brittle fracture occurs by rapid crack propagation with less expenditure of energy than for ductile fracture. burning (1...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.9781627084567
EISBN: 978-1-62708-456-7
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
... with the absorption of no energy except that stored elastically in the body. Microscopic examination may reveal some deformation even though it is not noticeable to the unaided eye. Contrast with ductile crack propagation. brittle fracture. Separation of a solid accompanied by little or no macroscopic plastic...