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water intrusion

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001385
EISBN: 978-1-62708-215-0
... Abstract Three instances involving the failure of aluminum wiring at the service entrance to single-family homes are discussed. Arcing led to a fire which severely damaged a home in one case. In a second, the failure sequence was initiated by water intrusion into the service entrance electrical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001396
EISBN: 978-1-62708-229-7
... Abstract The phenomenon of on-load corrosion is directly associated with the production of magnetite on the water-side surface of boiler tubes. On-load corrosion may first be manifested by the sudden, violent rupture of a boiler tube, such failures being found to occur predominantly on the fire...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001276
EISBN: 978-1-62708-215-0
... flow, and/or the intrusions (weld backing rings or weld bead protrusions) on the internal surface of the pipes. Suspended particles in the water or cavitation may also have aggravated the erosion, as evidenced by the jagged edge of the weld band. However, the exact cause of the erosion could...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001147
EISBN: 978-1-62708-219-8
... locations as a result of the intrusion of water and salt, and the consequent heavy corrosion of the joint. The seizure of these joints led to high edgewise bending stress in the bars as the bridge underwent thermal movement. The cracking was enhanced by the presence of the corrosive medium so...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047998
EISBN: 978-1-62708-225-9
... broken, and the seals were worn and bent out of shape. Examination indicated that the following factors contributed to the failures: Insufficient lubrication Contamination of the bearings by gritty particles (dirt) Intrusion of a corrosive agent (water) Corrosion pitting of rings...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001774
EISBN: 978-1-62708-241-9
... as possible. In spite of this, the intrusion of these species in the system can occur because of one or more of the following reasons. Improper shutdown resulting in exposure of components to atmosphere. Oxygen and water originating from steam or wash water used to free components of hydrocarbons...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006837
EISBN: 978-1-62708-329-4
... should be practiced to evaluate the seal condition for wear before concluding that the grease discoloration is due to water ingress. Water intrusion into the bearing results in lubrication breakdown. When teardowns of bearings are performed, the amount of grease present is measured by weight...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... steel piping used to transport a slurry of magnesium hydroxide and alumina at pH 10.5 ( Ref 17 ). Whatever the environmental conditions, microorganisms need water, a source of energy to drive their metabolism, and nutrients to provide essential building materials (carbon, nitrogen, phosphorus, trace...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001681
EISBN: 978-1-62708-234-1
... these two cast parts had channels molded in them through which cooling water passed, so that only the outside was subjected to high temperatures. Fig. 1 Schematic diagram of the burner nozzle configuration. The top casting was made of a Co-Cr-Fe alloy (typically (wt. %) 29 Cr, 19 Fe, 0.02 C...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... inspection of composite material is accomplished by generating sound waves at ultrasonic frequencies between 500 kHz and 35 MHz and directionally focusing the waves on the material to be inspected. The ultrasonic transducer is typically coupled to the material by water, water-soluble gels, or oil because...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
...-limiting factors, such as creep or oxidation. The turbine may also be sensitive to the environment in which it operates and the composition of key inputs such as process water and fuel. A number of performance parameters, such as pressures, temperatures, speed, vibration, and power output...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... of debris Potential sources of electrical current passing through the bearing Potential sources of water and other corrosive fluids Load spectrum and sources of potential-unknown loads Misalignment of deflections that influence load distribution within the bearing system Not all...
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
... of fusion, reheat cracks, solidification cracks, and weld-toe intrusions. The last group are intrusions at the weld-toe region that act as crack starters for fatigue. They are present on a microscopic level, and, on average, they are typically 0.1 mm (0.004 in.) in depth and can be as much as 0.4 mm (0.016...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... chromites (Na 2 Cr 2 O 7 or Na 2 CrO 4 ) are water leachable and therefore present an environmental contamination risk in disposal sites. Kinetic Considerations Penetration, dissolution, and spalling are the most important phenomena that control the kinetics of the corrosion of industrial...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... the effectiveness of REB sealing include: Frictional power losses Maximum rotational speeds Effectively avoid ingress of water Effectively avoid ingress of dust Retention of lubricant medium (grease) In terms of materials and environmental influences, Table 11 lists the different materials...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... rail next to the No. 3 intake port. The crack extends into the water jacket on the rocker-arm side of the head. Visual inspection did not reveal any indication of material deformation or mishandling. The crack was opened for examination, and no indication of internal discontinuities could be seen...
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
..., undercut, and weld-toe intrusions. Intrusions are particularly important because they may act as crack initiation sites for fatigue. Intrusions are present on a microscopic level; on average, they are typically 0.1 mm (0.004 in.) in depth and can be as much as 0.4 mm (0.016 in.) deep for steels ( Ref 6...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
.... In designing a tool or die, a host of factors must be considered. In practice, it is difficult to separate the design stage front grade selection because the two steps are interdependent. The choice of a certain grade of steel, such as one that must be brine or water quenched, will have a very substantial...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... dramatically. In designing a tool or die, a host of factors must be considered. In practice, it is difficult to separate the design stage from grade selection because the two steps are interdependent. The choice of a certain grade of steel, such as one that must be brine or water quenched, will have a very...