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mixed fracture morphology

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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
... providing information on mixed fracture morphology. brittle fracture embrittlement ferrous alloys macroscale characteristics microstructure mixed fracture morphology THE TERMS BRITTLE AND DUCTILE , as used here and in the following chapter, refer to the extremes of metal behavior in...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410213
EISBN: 978-1-62708-265-5
... of ductile and brittle fracture surfaces that developed on CVN impact testing of a steel with ferrite-pearlite microstructure. The ductile fracture surface shows a mix of deep and very fine microvoids together with some flat cleavage facets. The brittle fracture surface shows large, flat regions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... Abstract This chapter examines the phenomena of deformation and fracture in metals, providing readers with an understanding of why it occurs and how it can be prevented. It begins with a detailed review of tension and compression stress-strain curves, explaining how they are produced and what...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... Strain Rate Upon the Morphology of High Purity 26% Chromium, 1% Molybdenum Ferritic Stainless Steel ,” Master’s thesis, University of Tennessee, 1974 15. Beachem C.D. , Microscopic Fracture Processes , Fracture , Vol 1 , Academic Press , 1968 16. Becker W.T. and Lampman...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540169
EISBN: 978-1-62708-309-6
.... The net section yield limits are represented by two solid lines in Fig. 4.40 . This way, we are not determining residual strengths graphically because net section stress is readily determined by geometry. In summary, the fracture indices are, respectively, K C for the plane-stress (or mixed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
..., distribution, and morphology of alloy phases and second-phase particles in alloy microstructure have a large influence on toughness. An understanding of the interrelationships of alloy microstructure and fracture mechanisms has led to design of new commercial aluminum alloys offering optimum high strength and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410405
EISBN: 978-1-62708-265-5
... and the shear fracture zones that comprise the cup-cone fracture morphologies of the tensile specimens, and Fig. 18.20 and 18.21 show that the central fracture and shear fracture surfaces are characterized by fine microvoids. The central fracture zone has some coarse microvoids, formed around...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... sufficient extent, they exhibit brittle fracture due to a separation of electron pair bonds, without subsequent reformation. It should be noted that ceramics are rarely either all ionically or covalently bonded; they usually consist of a mix of the two types of bonds. For example, silicon nitride (Si 3 N 4...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290085
EISBN: 978-1-62708-319-5
... Abstract This chapter is a detailed account of various attributes related to mixing and testing of powder-binder feedstocks. Mixing parameters and their effects on feedstock properties is discussed. The attributes reviewed include mixture homogeneity, wetting, powder-binder ratio, feedstock...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... oxidation, the development of protective oxides, and the conditions associated with mixed gas corrosion and hot corrosion attack. It discusses oxidation and corrosion testing, the equipment used, and various ways to present the associated data. It describes the effect of gaseous oxidation on different...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... Abstract This chapter briefly outlines some of the basic aspects of failure analysis, describing some of the basic steps and major concerns in conducting a failure analysis. A brief review of failure types from fracture, distortion, wear-assisted failure, and environmentally assisted failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090257
EISBN: 978-1-62708-266-2
.... 9.5 Electron micrograph of a surface replica showing fine, parallel striations (region A) on a transgranular SCC fracture. Source: Ref 9.57 Mixed transgranular and intergranular crack propagation (and, occasionally, totally intergranular cracking) have also been observed during magnesium...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560125
EISBN: 978-1-62708-291-4
... and the morphology of manganese sulfide inclusions in castings. carbon content inclusions pearlite proeutectoid cementite proeutectoid ferrite We have now dealt with the structures of annealed and normalized steels containing up to about 0.25% C. The pearlite constituent becomes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560185
EISBN: 978-1-62708-291-4
... hypereutectoid steels. It discusses the factors that influence the kinetics of the process, including carbon diffusion and the morphology of the original structure. It describes the nucleation and growth of austenite grains, the effect of grain size on mechanical properties, and the difference between coarse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420303
EISBN: 978-1-62708-310-2
... the formation of martensite and bainite in steel and other alloys. It describes the morphology of both types of structures, the factors that influence their formation, how they respond to tempering processes, and their effect on mechanical properties and behaviors. It also discusses the role of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
... physical metallurgy. Several examples of the morphological features of microstructural constituents in steels are also presented. cast iron heat treatment iron-carbon phase diagram microstructure solidification steel EVERY METALLOGRAPHER should know and understand how the various...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000025
EISBN: 978-1-62708-313-3
... alloy. Continuous grain-boundary carbides render the alloy prone to brittle intergranular fracture; dispersed carbides along the grain boundaries pin the grains against sliding, thus increasing alloy strength. Because maximum strength is achieved with one particular γ′ precipitate morphology, but...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
... Morphology and Crystallography of Lath Martensite in Fe-C Alloys , Acta Mater. , Vol 51 ( No. 6 ), 2003 , p 1789 – 99 10.1016/S1359-6454(02)00577-3 28. Raoul S. , Rupture Intergranular Brittle Fracture of a Low-Alloy Steel Induced by Grain Boundary Segregation of Impurities: Influence of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... Abstract Structural and fracture mechanics-based tools for metals are believed to be applicable to nonmetals, as long as they are homogeneous and isotropic. This chapter discusses the essential aspects of the fatigue and fracture behaviors of nonmetallic materials with an emphasis on how they...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... Abstract This chapter provides an overview of the possible mechanisms of failure for heat treated steel components and discusses the techniques for examining fractures, ductile and brittle failures, intergranular failure mechanisms, and fatigue. It begins with a description of the general...