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longitudinal crack
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in Case Studies of Steel Component Failures in Aerospace Applications
> Failure Analysis of Heat Treated Steel Components
Published: 01 September 2008
Fig. 17 Appearance of longitudinal crack in the main landing gear linear actuating piston rod cylinder
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Published: 01 December 2018
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Published: 01 September 2008
Fig. 26 Longitudinal crack in the blade body revealed by penetrating liquid. The A-A section indicates the approximate position of the cut made for structural observation.
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in Low Toughness and Embrittlement Phenomena in Steels
> Steels: Processing, Structure, and Performance
Published: 01 January 2015
Fig. 19.2 Transverse section through a mid-face longitudinal crack in a low-carbon plate steel. As-polished section, light micrograph
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Published: 01 December 2006
Fig. 12 Micrograph of a longitudinal crack in the HAZ of a weld from storage vessel B. Etched with nital. Source: Ref 21
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Published: 01 July 1997
Fig. 28 Micrograph of a longitudinal crack in the heat-affected zone of a weld from storage vessel B, described in text. Etched with nital. Source: Ref 41
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Published: 01 December 2015
Fig. 9 Micrograph of a longitudinal crack in the heat affected zone of a weld from storage vessel B. Etched with nital. Source: Ref 11
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Published: 01 December 2006
Fig. 10 Transverse and longitudinal cracks on as-ground weld areas on the inside surface of storage vessel B. (a) Transverse and longitudinal cracks. (b) Transverse cracks. Source: Ref 21
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Published: 01 December 2015
Fig. 7 Transverse and longitudinal cracks on as-ground weld areas on the inside surface of storage vessel B. (a) Transverse and longitudinal cracks. (b) Transverse cracks. Source: Ref 11
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in Case Studies of Steel Component Failures in Aerospace Applications
> Failure Analysis of Heat Treated Steel Components
Published: 01 September 2008
Fig. 18 Fracture surfaces. (a) Circumferential crack 1 (4.3 mm). (b) Circumferential crack 2 (4.3 mm). (c) Longitudinal crack (5 mm)
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Published: 01 July 1997
Fig. 6 Identification of cracks according to location in weld and base metal. 1, crater crack in weld metal; 2, transverse crack in weld metal; 3, transverse crack in HAZ; 4, longitudinal crack in weld metal; 5, toe crack in base metal; 6, underbead crack in base metal; 7, fusion-line crack; 8
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Published: 01 April 2013
Fig. 6 Identification of cracks according to location in weld and base metal. 1, crater crack in weld metal; 2, transverse crack in weld metal; 3, transverse crack in HAZ; 4, longitudinal crack in weld metal; 5, toe crack in base metal; 6, underbead crack in base metal; 7, fusion line crack; 8
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in Failure Analysis of Stress-Corrosion Cracking[1]
> Stress-Corrosion Cracking<subtitle>Materials Performance and Evaluation</subtitle>
Published: 01 January 2017
Fig. 18.21 Stress-corrosion cracking in cold-formed brass fuse caps. (a) Numerous longitudinal cracks are visible in the brass caps. (b) Unetched metallographic section showing the primary crack opening with limited branching. Original magnification: 50×. (c) Etched metallographic section
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in Fatigue and Fracture of Continuous-Fiber Polymer-Matrix Composites
> Fatigue and Fracture: Understanding the Basics
Published: 01 November 2012
Fig. 19 Radiograph of carbon/epoxy laminate using image-enhancing penetrant to reveal transverse and longitudinal cracking and local delaminations. Source: Ref 9
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Published: 30 November 2013
Fig. 38 A “starry” spline fracture similar to that shown in Fig. 37 due to reversed torsional fatigue on a 1½ in.-diam spline. Torsional fatigue has caused many of the surrounded segments to fall out of the shaft. Note that the longitudinal cracks penetrated nearly to the center of the shaft
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Book Chapter
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130151
EISBN: 978-1-62708-284-6
... after the longitudinal section had approximately 30% of its area taken over by cracks, as seen in Fig. 15 . The area of crack propagation by fatigue indicates that there was propagation during a relatively short period of the milling operation. Most likely the component started the operation already...
Book Chapter
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930057
EISBN: 978-1-62708-359-1
.... 6 ). Cracks associated with welding can be categorized according to whether they originate in the weld itself or in the base metal. Four types commonly occur in the weld metal: transverse, longitudinal, crater, and hat cracks. Base metal cracks can be divided into seven categories: transverse cracks...
Abstract
Discontinuities are interruptions in the desirable physical structure of a weld. This article describes the types of weld discontinuities that are characteristic of the principal welding processes. Discontinuities covered are metallurgical discontinuities, discontinuities associated with specialized welding processes, and base metal discontinuities. In addition, information on the common inspection methods used to detect these discontinuities is provided.
Book Chapter
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
... transverse cracks were found at the bottom circumferential weld in the deaerator vessel. These were removed by grinding to a depth of 1.5 mm (0.06 in.). Inspection of storage tank B revealed numerous cracks transverse to welds. With the shell constructed from three rings of plate, the longitudinal ring...
Abstract
This chapter describes issues related to corrosion of carbon steel weldments and remedial measures that have proven successful in specific cases. The forms of corrosion covered includes preferential heat affected zone corrosion, preferential weld metal corrosion, and galvanic corrosion. Industrial case studies demonstrating the necessity for testing each galvanic couple in the environment for which it is intended are presented. The chapter also discusses various factors associated with stress-corrosion cracking in oil refineries.
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Published: 01 August 2015
Fig. 13.3 Crack propagating longitudinally: view of induction-heated area showing “flaring” of the heat pattern at the crack, and the crack propagating past the heated area. Approx. 1.5×. Source: Ref 3
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Published: 01 September 2008
Fig. 31 Macrograph of sample 2 taken along the longitudinal axis, showing cracks emanating from both the inner and outer diameters. Unetched. Original magnification: 15×. Source: Ref 18
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