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lamellar tearing

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001342
EISBN: 978-1-62708-173-3
..., and lamellar tearing. These defects, all of which manifest themselves as cracks, are characteristic of phenomena that occur at certain temperature intervals specific to a given alloy. The article presents selected alloy 625 compositions used in weldability study. cold cracking cracks heat-affected zone...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001432
EISBN: 978-1-62708-173-3
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001405
EISBN: 978-1-62708-173-3
... strength on susceptibility to HIC damage. Stronger steels can be more sensitive to hydrogen, resulting in lower critical stresses than those exhibited by weaker steels, which are more tolerant. Fig. 5 Lamellar tearing Fig. 8 Effect of temperature on the solubility of hydrogen in iron...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001034
EISBN: 978-1-62708-161-0
... Lamellar tearing Process, filler metal, heat input, preheat Critical restraint stress and strain Loading jig Costly specimen preparation Cranfield test Lamellar tearing Filler metal Number of passes to crack None Low cost Nick bend test Weld metal soundness Filler metal Go/no-go None...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005558
EISBN: 978-1-62708-174-0
... strength A36 248 36 0.28 … … … A572-50 345 50 0.38 … … … A572-65 448 65 0.49 0.43 0.38 … A514 690 100 0.76 0.66 0.59 0.53 Fig. 5 Fatigue cracking from the weld root Fig. 6 Typical location for lamellar tearing in a T-joint. Stress across the plate...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... as the heat input of the process are not addressed in detail. Planar Imperfections Planar imperfections are sharp cracklike features that can substantially reduce the fatigue strength of a welded joint or cause initiation of brittle fractures. Examples include hydrogen cracks, lamellar tears, lack...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... Secondary electron image of fracture surface of weld in Fig. 16 Fig. 18 Micrograph of carbon steel weld metal microfissure. 2% nital etch. Original magnification: 215× Fig. 19 Causes and prevention of hot cracking in base metal Fig. 20 Lamellar tear caused by thermal...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001472
EISBN: 978-1-62708-173-3
...: 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 in the base metal or heat-affected zone (HAZ) of restrained weld joints that is the result of inadequate ductility in the through...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001834
EISBN: 978-1-62708-181-8
... in the HAZ of gas-metal arc welded HY-80 steel. Note the crack associated with the manganese sulfide inclusion (b). Both etched with 1% nital. (a) 370×. (b) 740×. Courtesy of C.F. Meitzner, Bethlehem Steel Corporation Fig. 106 Schematic illustrating the formation of lamellar tears. Source: Ref 499...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001431
EISBN: 978-1-62708-173-3
... to evaluate the susceptibility 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...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
... fatigue (probably less than 10 cycles) where ductile tearing took place each time the transformer was lifted. The lifting lugs were used to move the assemblies through the plant for loading and unloading on the open flatbed trailers and for placing the units on the pads at the final installation site...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001403
EISBN: 978-1-62708-173-3
... Lamellar Tearing Undermatching Weld Metal Strength Aerospace Material Selection Criteria Properties Joinability Material Characteristics Related to Joining Base Materials Filler Materials Joining Techniques Other than Fusion Welding Service Considerations Damage Tolerance...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.9781627081825
EISBN: 978-1-62708-182-5
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001404
EISBN: 978-1-62708-173-3
... deals primarily with discontinuities such as hydrogen-assisted cold cracks, hot cracks, reheat cracks, lamellar tearing, and porosity. Service weldability addresses the question, “Will the finished weldment have properties adequate to serve the intended function?” An important aspect of service...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002455
EISBN: 978-1-62708-194-8
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... surfaces between nozzles 1 and 2 and through the manway (access port) in the head were classic brittle fractures. The remainder of the fracture involved tearing, and the crack led off from parallel to the axis of the vessel. Samples were taken to allow examination of the brittle-fracture area...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003774
EISBN: 978-1-62708-177-1
... casting defects Table 5 International classification of common casting defects Seven basic categories of defects Examples Metallic projections Flash, fins, heat checking, scabs, veins Cavities Entrapped gas, shrinkage porosity Discontinuities Cold shuts, hot tears, cold cracks...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003768
EISBN: 978-1-62708-177-1
... in Table 1 (grade B4), as-cast. Microstructure consists of austenite grains with intergranular and interdendritic carbides. The mottled phase in the centers of lamellar carbides is phosphide eutectic. 4% picral. 100× Fig. 5 Composition similar to steel 2 in Table 1 (grade B3), as-cast...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... a low- or high-alloy ferrite matrix may cause tears and pits in the machined surface that cause stress raisers and lead to tool steel product failure after final heat treatment or in service. Annealing the workpiece to a microstructure of fine carbide spheroids and lamellar pearlite will improve...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001025
EISBN: 978-1-62708-161-0