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intergranular cracking

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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001086
EISBN: 978-1-62708-214-3
... in a highly sensitized state. The sensitized material lost corrosion resistance, became embrittled along the grain boundaries, and finally failed by intergranular cracking. Use of type 410 martensitic stainless steel was recommended. Embrittlement Heat-affected zone Sensitizing Vanes Welded joints...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048751
EISBN: 978-1-62708-235-8
... Abstract The presence of subsurface cracks in a longitudinal weld seam of an AISI type 316 stainless steel heat-exchanger shell was revealed by radiographic testing. Numerous intergranular cracks associated with the root pass of the weld, which had propagated both parallel and normal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047632
EISBN: 978-1-62708-235-8
..., and inspection. The crack indications were found only on one side of the boss and on the lower portion of the hot-spun dome region. The metallographic specimens revealed triangular voids and severe intergranular cracks. The cracks displayed the glossy surfaces typical of melted and resolidified material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048791
EISBN: 978-1-62708-234-1
... were located in wide bands running circumferentially below the cross-to-cap weld and above the cap-to-discharge-pipe weld. The material was found to conform to the requirements both in terms of hardness and strength. Intergranular cracks filled with oxide were observed on metallographic analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046252
EISBN: 978-1-62708-229-7
... examination of sections etched with Vilella's reagent supports the conclusions that failure of the bellows occurred by intergranular fatigue cracking. Secondary degrading effects on the piping existed as well. Recommendations included the acceptability of Type 321 stainless steel (provided open-cycle testing...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001060
EISBN: 978-1-62708-214-3
... was caused by intergranular corrosion/stress-corrosion cracks that initiated from the external surface of the pipe reducer section. Contributory factors were the sensitized condition of the flange and the concentration of corrosive elements from the bleach stock plant environment on the external surface...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001317
EISBN: 978-1-62708-215-0
... Abstract Two AISI type 316 stainless steel dished ends failed through the formation of intergranular stress-corrosion cracks (IGSCC) within a few months of service. The dished ends failed in the straight portions near the circumferential welds that joined the ends to the cylindrical portions...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001561
EISBN: 978-1-62708-229-7
... Abstract An intergranular stress-corrosion cracking failure of 304 stainless steel pipe in 2000 ppm B as H3BO3 + H2O at 100 deg C was investigated. Constant extension rate testing produced an intergranular type failure in material in air. Chemical analysis was performed on both the base metal...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001061
EISBN: 978-1-62708-214-3
... and heat-affected zones (HAZs). Fracture/crack morphology was brittle and primarily intergranular and deposits at crack tips were primarily iron oxides with significant amounts of sodium compounds. On these bases, the cracking was characterized as intergranular stress-corrosion cracking (IGSCC). Corrosion...
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Published: 30 August 2021
Fig. 84 Intergranular cracking indicative of thermal cracking. Original magnification: 200× More
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Published: 01 January 2002
Fig. 4 Typical creep deformation and intergranular cracking in a jet-engine turbine blade. Courtesy of J. Schijve More
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Published: 01 December 1992
Fig. 7 Fracture surface, showing intergranular cracking. More
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Published: 01 December 1992
Fig. 5 Intergranular cracking through the ferrite/pearlite matrix.Picral etch. 100× More
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Published: 01 December 1992
Fig. 5 Typical “rock candy” fracture appearance with intergranular cracking exhibited by temper-embrittled materials. 136×. More
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Published: 01 December 1992
Fig. 4 SEM micrograph of flat surface fracture showing intergranular cracking. More
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Published: 01 December 2019
Fig. 10 Intergranular cracking by selective attack on the external surface of the plate near the fracture origin More
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Published: 15 January 2021
Fig. 5 Typical creep deformation and intergranular cracking in a jet-engine turbine blade. Courtesy of J. Schijve More
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Published: 01 June 2019
Fig. 1 Aluminum alloy air bottle that failed by intergranular cracking caused by overheating before assembly welding. (a) Machined air bottle showing hot-spun region, circumferential butt weld, and location of crack indications. Dimensions given in inches. (b) Longitudinal intergranular crack More
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Published: 01 December 1993
Fig. 8 SEM micrograph showing secondary intergranular cracking on the cylinder side of the failed disc. Arrow indicates primary fracture surface. 239× More
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Published: 01 December 1993
Fig. 7 SEM micrograph showing intergranular cracking near the inside surface of the pipe weld. 67× More