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stress-corrosion cracking rate

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001560
EISBN: 978-1-62708-217-4
... may have occurred. A study was made for stress-corrosion cracking susceptibility of 4340 steel in a paste made of the residues collected from used breech chambers. The constant extension rate test (CERT) technique was employed and SCC susceptibility was demonstrated. The residues, which contained both...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001806
EISBN: 978-1-62708-241-9
... than one year of service in an outdoor industrial environonment. The observed failures, which consisted of cracks in the body and end cap, were analyzed and found to be brittle fractures due to stress-corrosion cracking. Two common stress-corrosion cracking tests for copper materials were conducted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048814
EISBN: 978-1-62708-229-7
... by series of controlled crack-propagation-rate stress-corrosion tests that A302, grade B, steel was susceptible to transgranular stress-corrosion attack in constant extension rate testing with as low as 1 ppm chloride present. It was recommended to maintain the coolant environment low in oxygen and chloride...
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: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001789
EISBN: 978-1-62708-241-9
... of success in naval applications. Material samples were examined using chemical analysis, SEM imaging, and corrosion testing. Investigators also analyzed precracked tension specimens, exposing them to different conditions to quantify stress intensity thresholds for environmentally assisted cracking. Al-Si...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
...) indicated significant segregation of sulfur and chlorine along the grain boundaries. Failure was attributed to hypochlorous-acid (HClO)-induced stress-corrosion cracking (SCC). The HClO was formed by the reaction of HCl with atmospheric O 2 that entered the tube during shutdowns and startups. Residual...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
... Background Initial Evaluation Discussion and Further Testing Intergranular Fatigue Creep/Stress Rupture Slow Strain Rate Embrittling Species Preferential Hard Forged Plane Hydrogen Embrittlement/Damage (HE) Stress Corrosion Cracking (SCC) Conclusions An extensive analysis...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001051
EISBN: 978-1-62708-214-3
... was considered to be caused by a low-cycle corrosion fatigue phenomenon, the A302 material was also susceptible to transgranular stress-corrosion cracking (SCC) in the PAT environment if copper was present in solution. The steam generators were constructed from ASTM A302 grade B material. The closure welds...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... these topics in more detail. Fatigue Crack Growth Rates The limitation of the S - N and ε- N methods is the inability of the controlling quantities to make sense of the presence of a crack. In traditional stress analysis of applied loads, basic elasticity calculations show that both stress and strain...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001143
EISBN: 978-1-62708-229-7
... Turbine blade superalloy Stress-corrosion cracking Cavitation wear Fatigue fracture Corrosion fatigue Introduction Turbine blade failure was defined, for the purposes of an Electric Power Research Institute (EPRI) survey on the subject [ 1 ], as: “a situation where inspection of the turbine...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... or by lowering the stress required to initiate fatigue) and can increase fatigue crack growth rates. Corrosion can contribute to fatigue crack initiation through the formation of pits, which then act as geometric stress raisers ( Fig. 28 ). Corrosion pitting evident on mating portions of a fatigue crack...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001071
EISBN: 978-1-62708-214-3
... mm (6 in.) bolted flange type rated to conform to ANSI B16.1 for service at 1034 kPa (150 psi) and 120 deg C (250 deg F) maximum in 93 to 99% sulfuric acid. The fracture originated at stress-corrosion cracks that occurred in a high-stress transition region at the valve body-to-flange juncture...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
...., by reducing the number of cycles to initiate at a given stress or by lowering the stress required to initiate fatigue) and can increase fatigue crack growth rates. Corrosion can contribute to fatigue crack initiation through the formation of pits, which then act as geometric stress raisers ( Fig. 28...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001351
EISBN: 978-1-62708-215-0
... of the bellows with the humid, chloride-containing environment was also recommended. Selected Reference Selected Reference • Warke W. R. , Stress-Corrosion Cracking , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 823 – 860 10.31399/asm.hb.v11...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... UNS S45500 Fatigue fracture Stress-corrosion cracking Mechanical springs go into a variety of aerospace systems where both efficiency and reliability are required. Typical applications range from the control of switching characteristics of miniature switches to the deployment of missile fairing...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001383
EISBN: 978-1-62708-215-0
... with respect to the zinc plating. Hydrogen charging from corrosion fosters embrittlement and sustained slow crack growth at the tip of the crack, due to the residual stress from the high clamp load and HASC. A high clamp load is required to prevent fatigue and restrain the wheels from slippage movement...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... at a high number of cycles (up to 10 8 to 10 9 ), which is more correctly described by a tolerable fatigue stress amplitude for a given number of cycles. The finite-life behavior in the high-cycle range especially must be considered under corrosive environments (corrosion fatigue) and for crack initiation...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
... tip, or some other nonmechanical factor. Fig. 4 Stress-corrosion crack growth. (a) Schematic diagram of typical crack-propagation rate as a function of crack-tip stress-intensity behavior illustrating the regions of stage 1, 2, and 3 crack propagation as well as identifying the plateau velocity...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... Abstract Stress-corrosion cracking (SCC) is a form of corrosion and produces wastage in that the stress-corrosion cracks penetrate the cross-sectional thickness of a component over time and deteriorate its mechanical strength. Although there are factors common among the different forms...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... Abstract This article describes the characteristics of tubing of heat exchangers with respect to general corrosion, stress-corrosion cracking, selective leaching, and oxygen-cell attack, with examples. It illustrates the examination of failed parts of heat exchangers by using sample selection...