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Aluminum bronze

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001809
EISBN: 978-1-62708-241-9
... years of service, while its predecessor lasted over 40 years. The subsequent failure investigation determined that the nickel-aluminum bronze impeller was not properly heat treated, which made the impeller susceptible to aluminum dealloying. The dealloying corrosion was exacerbated by erosion because...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001617
EISBN: 978-1-62708-227-3
... Abstract Failures of various types of hydraulic couplings used to connect pipes in a naval vessel are described and used to illustrate some of the general procedures for failure analysis. Cracking of couplings, which were manufactured from nickel-aluminum- bronze extruded bar, occurred in both...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001329
EISBN: 978-1-62708-215-0
... Fig. 2 Dealuminized area from valve body Abstract Various aluminum bronze valves and fittings on the essential cooling water system at a nuclear plant were found to be leaking. The leakage was limited to small-bore socket-welded components. Four specimens were examined: three castings...
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Published: 01 December 2019
Fig. 2 Nickel–aluminumbronze microstructure (etchant: alcoholic ferric chloride solution). Horizontal direction is longitudinal direction of bar More
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Published: 01 December 1992
Fig. 3 Cavitation and erosion at blade leading edge on nickel-aluminum-bronze impeller. More
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Published: 01 December 1992
Fig. 9 Failed nickel-aluminum-bronze impeller blade. (a) Top view. (b) Side view. More
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Published: 01 December 1992
Fig. 10 Erosion of nickel-aluminum-bronze impeller at leading-edge crack. More
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Published: 01 December 2019
Fig. 29 Macroscopic views of crimped nickel–aluminiumbronze hydraulic couplings after the ASTM mercurous-nitrate residual-stress test showing longitudinal and circumferential cracks ( arrowed ). Note silvery colouration owing to the presence of liquid mercury [ 38 ] More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001783
EISBN: 978-1-62708-241-9
... of impact toughness at typical working hardness (source: Crucible Service Centers) Abstract An aluminum bronze bushing that serves as a guide in a crimping machine began to fail after 50,000 cycles or approximately two weeks of operation. Until then, typical run times had been on the order...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001103
EISBN: 978-1-62708-214-3
.... 2 Two views of failed bolt. Fig. 3 Result of dye penetrant testing on half section of bolt. Fig. 4 Macrograph of are a near primary crack, showing extensive secondary cracking. Abstract An aluminum bronze propeller tap bolt from a twin-screw vessel fractured just below...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046146
EISBN: 978-1-62708-217-4
... that the primary fracture initiated from multiple origins on both sides of a lubrication hole that extended from the outer surface to the bore of a lug in two cadmium-plated flanged bushings made of copper alloy C63000 (aluminum bronze) that were press-fitted into each bored hole in the lug. Sectioning and 2x...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048714
EISBN: 978-1-62708-229-7
... surface of the tube were revealed by metallographic examination of a cross section of the failed area. Impingement attack which led to perforation was revealed by both the ridgelike appearance of the damaged area and the undercut pitting. The heat exchanger was retubed with tubes made of aluminum bronze...
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
...), showing cracks in base metal and in weld repairs at hub-to-blade attachment. Fig. 1 Cross section of impeller in pump case. Fig. 2 Impeller blade cracks (at root). Fig. 3 Cavitation and erosion at blade leading edge on nickel-aluminum-bronze impeller. Fig. 4...
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Published: 01 December 2019
Fig. 1 a Aluminum–silicon–bronze microstructure (etchant: alcoholic ferric chloride solution), b intergranular defect in aluminum–silicon–bronze microstructure. Vertical direction is longitudinal direction of bar More
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
.... 1 a Aluminum–silicon–bronze microstructure (etchant: alcoholic ferric chloride solution), b intergranular defect in aluminum–silicon–bronze microstructure. Vertical direction is longitudinal direction of bar Fig. 4 Calculated crack length vs. time for ASB tested in seawater + ammonia...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001334
EISBN: 978-1-62708-215-0
... size, frequent mechanical cleaning, and occasional thermal shocks to kill organisms could have prevented the failure. The failure of the tube occurred because of crevice corrosion under the deposit. Aluminum bronzes Nuclear reactor components Seawater environment Aluminum brass Crevice...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046469
EISBN: 978-1-62708-229-7
... susceptible to dezincification. Recommendations included replacing the material with copper alloy C68700 (arsenical aluminum brass), which contains 0.02 to 0.06% As and is highly resistant to dezincification. Copper alloy C44300 (inhibited admiralty metal) could be an alternative selection...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... Abstract This article discusses the classification of sliding bearings and describes the major groups of soft metal bearing materials: babbitts, copper-lead bearing alloys, bronze, and aluminum alloys. It provides a discussion on the methods for fluid-film lubrication in bearings. The article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001719
EISBN: 978-1-62708-231-0
... that has solidified after failure is often found in the crack. The best determinate of LME is the identification phase of metal that exists in the crack after failure. Low carbon steels are known to exhibit LME susceptibility to brass, aluminum bronze, copper, zinc, lead-tin solder, indium, and lithium...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... lubrication. The aluminum alloys are also superior in corrosion resistance. Aluminum alloys other than bronzes contain approximately 7% Sn and 1% Cu, with 1 or 2% Si or Mg, plus some lead and cadmium. The copper is retained in solid solution in the aluminum, but the other alloys form soft-solid particles...