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dynamic corrosion tests

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001907
EISBN: 978-1-62708-217-4
.... Second, macroetching showed that the bolts has been machined from stock rather than forged, and the threads cut rather than rolled. It was also determined that hydrogen-assisted stress-corrosion cracking also played a part in the failure of the high-strength bolts. Missile launchers Attachment...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001097
EISBN: 978-1-62708-214-3
... macrofractography, SEM fractography, and hardness testing. Fractography established that fracture was by fatigue and that the fatigue cracking originated at corrosion pits. Hardness while below specification, still indicated that the screws were in the cold-worked condition and notch sensitive during fatigue...
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
... component, and Ni-Al bronze, which has a history 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...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046422
EISBN: 978-1-62708-234-1
... as erosion-producing conditions. Dynamometers Stator blades CA-6NM UNS J91540 Erosive wear Corrosive wear Cavitation wear Figure 1 shows severely eroded stator vanes of a hydraulic dynamometer for a steam-turbine test facility. The stator was cast from a copper-manganese-aluminum alloy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
... by standards of the American Society for Testing and Materials (ASTM) and the International Organization for Standardization (ISO), as listed below, and by other national standards. These materials are corrosion resistant and well accepted by body tissues (biocompatible) and therefore satisfy two of the basic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001087
EISBN: 978-1-62708-214-3
... and open rotor (impeller). Both the case and the ductile iron rotor core were covered by natural rubber. Analyses conducted included surface examination of wear patterns, chemical analysis of materials, measurement of mechanical properties, and in-place flow tests. It was determined that the proximate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001670
EISBN: 978-1-62708-217-4
... test. The rapid heating rate associated with this type of test increases the transformation temperatures associated with equilibrium, thus the solution and aging temperature are referred to here as the dynamic solution temperature, ST D , the the dynamic aging temperature, AT D . For the material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001531
EISBN: 978-1-62708-231-0
.... The difference in dynamic fracture toughness among materials decreases comparied with that of static fracture toughness in the range of testing temperatures. The ratio of K ID /σ YD may be a reasonable parameter for evaluating the fracture resistance for wheel steels. Acknowledgments...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001579
EISBN: 978-1-62708-226-6
... environment may lead to failure due to mechanical or biomechanical reasons. Fatigue or corrosion fatigue damage is one of the major reasons for failure of austenitic stainless steel screws and plates. Local loading conditions produce the fatigue stresses. Dynamic loading in the presence of body liquid can...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
..., and wear failures. The article provides information on the synthesis and interpretation of results from the investigation. Finally, it presents key guidelines for conducting a failure analysis. chemical analysis corrosion failure corrosion testing data collection failure analysis fracture...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001082
EISBN: 978-1-62708-214-3
... constructed. It was determined that the blades failed by fatigue that had been accelerated by stress-corrosion cracking. The mechanism of failure was flow-induced vibration, in which the vortex-shedding frequencies of the blades were attuned to the natural frequency of the blade/hub configuration. A number...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048407
EISBN: 978-1-62708-226-6
... of intensity of these structures, compared to results of systematic crack-initiation experiments. It was revealed by fatigue bending tests that the fatigue life of plates with asymmetrically arranged holes is at least as long as for plates with holes situated in the center. Fatigue began at the large section...
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 Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
.... Examination of bolts in all three lots also disclosed a copper-colored residue adhering to the threads. This residue was from the antiseizure compound that had been applied during assembly. Accelerated Corrosion Testing Laboratory corrosion tests were conducted on four bolts taken from stock...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... for corrosive wear. Next, the article explains testing methods and characterization of corrosive wear. Various factors that influence corrosive wear are then covered. The article concludes with general guidelines for material selection against corrosive wear. corrosion corrosive wear material selection...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... to their limits and are usually best solved on the fastest machines available and dedicated for these uses. Although dynamic impact analyses are time consuming and expensive to perform, conducting actual impact and collision testing may be prohibitively expensive or simply not feasible. Impact analyses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... examination of sections cut from the cracked area identified lamellar tearing as the principle cause of the cracking. This was surprising in 6 mm thick hull plates. Corrosion fatigue and general corrosion also contributed to hull plate perforation. Although it is probable that more lamellar tears exist near...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... mounted at the ends of mill liner bolts, and polarization curves of the media material electrodes were obtained by a telemetry-radio system ( Ref 32 ). Although the data were often noisy, correlations with laboratory corrosive wear tests were made. In a test developed in the laboratory in a field...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... stained brittle-fracture features in starlike patterns. Examination of bolts in all three lots also disclosed a copper-colored residue adhering to the threads. This residue was from the antiseize compound that had been applied during assembly. Accelerated Corrosion Testing Laboratory corrosion...