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Lamellar tearing

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Published: 01 August 1999
Fig. 5.14 (Part 1) Through-thickness ductility of lamellar tearing in rolled plate. (a) Lamellar tear adjacent to a highly restrained fillet weld. Nitric-acetic acid. 1×. (b) Lamellar tear along a central segregate containing numerous elongated manganese sulfide inclusions. Unetched. 100 More
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Published: 01 November 2011
Fig. 5.22 Typical location for lamellar tearing in a T-joint. Source: Ref 5.10 More
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Published: 01 November 2012
Fig. 21 Typical location for lamellar tearing in a T-joint. Source: Ref 15 More
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Published: 01 July 1997
Fig. 10 Typical location for lamellar tearing in a T-joint More
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Published: 01 July 1997
Fig. 11 Corner joint, (a) Lamellar tearing surfaces at the exposed plate edge, (b) Redesigned joint More
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Published: 01 April 2013
Fig. 7 Lamellar tear caused by thermal contraction strain. Source: Ref 1 More
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Published: 01 July 1997
Fig. 7 Lamellar tear caused by thermal contraction strain More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560081
EISBN: 978-1-62708-291-4
... and niobium- and vanadium-containing steels, and high-strength low-alloy steels. Chapter 5 discusses the composition, microstructure, and properties of these workhorse materials and explains how to identify the cause of production-related issues such as lamellar tearing and ferrite-pearlite banding. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930071
EISBN: 978-1-62708-359-1
.... Colloquially, these four defect types are known as hot cracks, heat-affected zone microfissures, cold cracks, and lamellar tearing. cold cracks fusion welding heat-affected zone hot cracks lamellar tearing welded assemblies THE FORMATION OF DEFECTS in materials that have been fusion welded...
Image
Published: 01 August 1999
-treated carbon-manganese-niobium steel, also treated with rare earth metals. Test piece (cut in short transverse direction) containing very small globular sulfide inclusions. 65% reduction of area. Unetched 500×. (h) Mechanism by which lamellar tears develop. More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
... surface of a weld in steel that consists of a small pore or inclusion surrounded by a bright, round area Segregation: The nonuniform distribution or concentration of impurities or alloying elements that arises during the solidification of the weld Lamellar tearing: A type of cracking that occurs...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930003
EISBN: 978-1-62708-359-1
... the centerline, resulting in a finer fusion zone grain structure. Such observations are typical in high energy beam welds or arc welds made at low welding speeds. For a tear drop shaped puddle, there is almost an invariant direction of maximum thermal gradient at all points on the pool edge from the fusion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930023
EISBN: 978-1-62708-359-1
... of the base materials (and any added filler material) to cracking. The purpose of these tests is to reduce or to eliminate the formation of these defects during fabrication or service. Cracking can be in the form of hot cracking, cold cracking, or lamellar tearing. Detailed information about these defects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290099
EISBN: 978-1-62708-306-5
..., and lamellar tearing. Solidification Cracking (Hot Cracking) Hot cracks are solidification cracks that occur in the fusion zone near the end of solidification. They result from the inability of the semisolid material to accommodate the thermal shrinkage strains associated with weld solidification...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... that are trapped by the solidifying metal as they try to escape from the liquid and semisolid metal Small crevices in the mold walls, which cause the metal to tear during the stripping operation Spatter during pouring, which produces globs of metal frozen on the mold walls because of the great difference...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... or concentration of impurities or alloying elements that arises during the solidification of the weld Lamellar tearing: A type of cracking that occurs in the base metal or heat affected zone (HAZ) of restrained weld joints that is the result of inadequate ductility in the through-the-thickness direction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030380
EISBN: 978-1-62708-282-2
... expansion and contraction), hydrogen (from hydrogen-containing welding consumables), and a susceptible microstructure (plate martensite is most susceptible to cracking, ferritic and bainitic structures least susceptible). See also hot cracking, lamellar tearing, and stress-relief cracking. cold working...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930197
EISBN: 978-1-62708-359-1
... as hot (liquation) cracks, cold (hydrogen-induced) cracks, and lamellar tears are much more serious, because they are severe stress raisers and will affect fatigue strength to a degree that cannot be compensated for in design ( Ref 2 , 3 ). Hot cracks and lamellar tears normally occur during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
... by modifier additions. Fig. 4.5 (Part 1) Variations in degrees and types of aluminum-silicon eutectic modification. (a) Class 1, fully unmodified structure. 200×. (b) Same as (a) but at 800×. (c) Class 2, lamellar structure. 200×. (d) Same as (c) but at 800×. (e) Class 3, partial modification. 200×. (f...