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Lamellar tearing at root of weld for shroud-support ring.

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in Failures of Pressure Vessels[1] > Failure Analysis and Prevention
Published: 01 January 2002
Fig. 29 Lamellar tearing at root of weld for shroud-support ring. More
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Methods used to reduce lamellar tearing. (a) Angling the weld fusion line t...

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in Failures Related to Welding > Failure Analysis and Prevention
Published: 01 January 2002
Fig. 19 Methods used to reduce lamellar tearing. (a) Angling the weld fusion line to avoid shrinkage stresses in the through-thickness direction. (b) Use of smaller partial-penetration welds to reduce joint restraint. (c) Placement of welding beads on the thinner plate (when welding plates More
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Lamellar tearing in the HAZ of a carbon-manganese steel corner joint. Etche...

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in Failures Related to Welding > Failure Analysis and Prevention
Published: 01 January 2002
Fig. 50 Lamellar tearing in the HAZ of a carbon-manganese steel corner joint. Etched with 2% nital More
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Lamellar tearing at root of weld for shroud-support ring

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in Failures of Pressure Vessels and Process Piping > Analysis and Prevention of Component and Equipment Failures
Published: 30 August 2021
Fig. 46 Lamellar tearing at root of weld for shroud-support ring More
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Lamellar tearing in the heat-affected zone of a carbon-manganese steel corn...

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in Failures Related to Welding > Analysis and Prevention of Component and Equipment Failures
Published: 30 August 2021
Fig. 21 Lamellar tearing in the heat-affected zone of a carbon-manganese steel corner joint. 2% nital etch More
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Methods used to reduce lamellar tearing. (a) Angling the weld fusion line t...

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in Arc Welding of Carbon Steels > Welding, Brazing, and Soldering
Published: 01 January 1993
Fig. 14 Methods used to reduce lamellar tearing. (a) Angling the weld fusion line to avoid shrinkage stresses in the through-thickness direction. (b) Use of smaller partial-penetration welds to reduce joint restraint. (c) Placement of welding beads on the thinner plate (when welding plates More
Image

Typical location for lamellar tearing in a T-joint

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in Cracking Phenomena Associated With Welding > Welding, Brazing, and Soldering
Published: 01 January 1993
Fig. 16 Typical location for lamellar tearing in a T-joint More
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Corner joint. (a) Lamellar tearing surfaces at the exposed plate edge. (b) ...

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in Cracking Phenomena Associated With Welding > Welding, Brazing, and Soldering
Published: 01 January 1993
Fig. 17 Corner joint. (a) Lamellar tearing surfaces at the exposed plate edge. (b) Redesigned joint More
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Lamellar tearing

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in Influence of Welding on Steel Weldment Soundness > Welding, Brazing, and Soldering
Published: 01 January 1993
Fig. 5 Lamellar tearing More
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Typical location for lamellar tearing in a T-joint. Stress across the plate...

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in General Design Considerations for Arc Welding Processes > Welding Fundamentals and Processes
Published: 31 October 2011
Fig. 6 Typical location for lamellar tearing in a T-joint. Stress across the plate thickness (the z- direction) occurs from strains that develop from weldmetal shrinkage in the joint. Lamellar separation is roughly parallel to the fusion line. Lamellar tearing can be prevented when More
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Corner joint. (a) Lamellar tearing surfaces at the exposed plate edge. (b) ...

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in General Design Considerations for Arc Welding Processes > Welding Fundamentals and Processes
Published: 31 October 2011
Fig. 7 Corner joint. (a) Lamellar tearing surfaces at the exposed plate edge. (b) Redesigned joint More
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Schematic illustrating the formation of lamellar tears. Source: Ref 499

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in Visual Examination and Light Microscopy > Fractography
Published: 01 January 1987
Fig. 106 Schematic illustrating the formation of lamellar tears. Source: Ref 499 More
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Macrographs showing typical lamellar tears in structural steel

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in Visual Examination and Light Microscopy > Fractography
Published: 01 January 1987
Fig. 107 Macrographs showing typical lamellar tears in structural steel More
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Lamellar tear beneath a T-joint weld that joined two low-carbon steel plate...

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in Failures Related to Welding > Failure Analysis and Prevention
Published: 01 January 2002
Fig. 30 Lamellar tear beneath a T-joint weld that joined two low-carbon steel plates. (a) Fractograph of lamellar tear showing separation that has followed flattened inclusions. Approximately 0.3×. (b) Section through fracture (top), which occurred in the coarse-grain reaustenitized region More
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Lamellar tear caused by thermal contraction strain

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in Failures Related to Welding > Failure Analysis and Prevention
Published: 01 January 2002
Fig. 49 Lamellar tear caused by thermal contraction strain More
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Lamellar tear caused by thermal contraction strain in the through-thickness...

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in Failures Related to Welding > Analysis and Prevention of Component and Equipment Failures
Published: 30 August 2021
Fig. 20 Lamellar tear caused by thermal contraction strain in the through-thickness direction More
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Orientation of lamellar tears in a base metal below the weld. Source: Ref ...

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in Arc Welding of Carbon Steels > Welding, Brazing, and Soldering
Published: 01 January 1993
Fig. 13 Orientation of lamellar tears in a base metal below the weld. Source: Ref 4 More
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Lamellar tear caused by thermal contraction strain

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in Overview of Weld Discontinuities > Welding, Brazing, and Soldering
Published: 01 January 1993
Fig. 7 Lamellar tear caused by thermal contraction strain More
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Lamellar tear caused by thermal contraction strain

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in Weldability of Steels > Properties and Selection: Irons, Steels, and High-Performance Alloys
Published: 01 January 1990
Fig. 8 Lamellar tear caused by thermal contraction strain More
Book Chapter

Cracking Phenomena Associated With Welding

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By Michael J. Cieslak
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
... microfissures hot cracking lamellar tearing weldability THE FORMATION OF DEFECTS in materials that have been fusion welded is a major concern in the design of welded assemblies. Four types of defects in particular have been the focus of much attention because of the magnitude of their impact on product...
Abstract
This article discusses four types of defects in materials that have been fusion welded and that have been the focus of much attention because of the magnitude of their impact on product quality. These include hot cracks, heat-affected zone (HAZ) microfissures, cold cracks, 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.
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