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copper-nickel alloys

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001439
EISBN: 978-1-62708-235-8
... corroded away, leaving a weak, porous residual structure. The brazing alloy was of type CP 1 as covered by BS 1845. Header and tube materials were basically copper-nickel alloys for which the use of a phosphorus bearing brazing alloy is not recommended owing to the possibility of forming the brittle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001673
EISBN: 978-1-62708-227-3
... spectrum obtained within the nucleated crystals was very similar to that obtained on the corroded surface. The crystals were, therefore, pure copper without nickel or iron. At certain locations, trace amounts of chlorine and sulfur were detected. At the boundary between the copper crystals and the alloy...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... chemical specification. Elements known to embrittle copper-nickel alloys, such as bismuth, were not initially found. Hardness Metallographic analysis was performed on the embrittled tube and on a tube section from a different lot of material that did not crack during forming. A failed section had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001492
EISBN: 978-1-62708-235-8
...Abstract Abstract Electroless nickel plating separation from copper alloy CDA175 retaining clips used on printed circuit boards was caused by a copper oxide layer that reduced adhesion of the nickel plating on the clips. Stresses that developed during module insertion caused flaking to occur...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046956
EISBN: 978-1-62708-232-7
...Abstract Abstract A brazing-furnace muffle 34 cm (13 in.) wide, 26 cm (10 in.) high, and 198 cm (78 in.) long, was fabricated from nickel-base high-temperature alloy sheet and installed in a gas-fired furnace used for copper brazing of various assemblies. The operating temperature of the muffle...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
..., and cracking from hydride formation. The article focuses on the types of hydrogen embrittlement that occur in all the major commercial metal and alloy systems, including stainless steels, nickel-base alloys, aluminum and aluminum alloys, titanium and titanium alloys, copper and copper alloys, and transition...
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
... 1 2 ×. (b) Etched specimen from the tube showing corroded porous region at the top and unaffected region below. 100× Fig. 7 Copper-nickel alloy heat-exchanger tubes that failed from denickelification due to attack by water and steam. (a) Etched section through a copper alloy C71000...
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
... to the weld seam, were revealed by metallographic examination (hot shortness). It was indicated by energy-dispersive spectroscopy that type 316 electrode was not used for the root pass and instead a nickel-copper alloy electrode was employed. It was thus concluded that cracking was caused due to the use...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... stainless steels has been documented in the literature; no other reports of cracking during manufacturing or service were available. Stainless steel (as well as nickel and copper-nickel alloys) can suffer LMIE when brazed with copper or copper-rich brazing compounds in conjunction with applied stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048708
EISBN: 978-1-62708-229-7
... C70600 (copper nickel, 10%). Five of the tubes that were leaking were removed and sectioned lengthwise. One section of each tube was sent to the manufacturer of the cooler, and the other was sent to the power company laboratory for determination of the cause of failure. Investigation Conclusions...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... grain boundaries of the root-pass fusion zone. Etched with 10% oxalic acid. Original magnification: 55× Fig. 7 Copper-nickel alloy heat-exchanger tubes that failed from denickelification due to attack by water and steam. (a) Etched section through a copper alloy C71000 tube showing dealloying...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... can be obtained by using polarization curves, critical potentials, and the mixed potential of the galvanic couple. In chloride-bearing environments, galvanically induced localized corrosion of many stainless steels occurs in couples with copper or nickel and their alloys and with other more noble...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... steels can be obtained by using polarization curves, critical potentials, and the mixed potential of the galvanic couple. In chloride-bearing environments, galvanically induced localized corrosion of many stainless steels occurs in couples with copper or nickel and their alloys and with other more noble...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... brazing of copper when the brazing temperature is well above the liquidus of the silver braze filler metal. Diffusion of the gold-nickel braze filler metals (AWS BAu-4) into stainless steel or nickel-base alloys can lead to deterioration of the base materials, as experienced with other braze alloys...
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
... analysis, metallographic analysis, and simulated-service tests. It provides case studies for the analysis of SCC service failures and their occurrence in steels, stainless steels, and commercial alloys of aluminum, copper, magnesium, and titanium. aluminum alloys austenitic stainless steel carbon...
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
... hypochlorous acid nickel alloy intergranular cracking energy dispersive x-ray analysis corrosion rate Monel 400 (nickel-copper alloy) UNS N04400 Introduction Laboratory Examinations Results Discussion Conclusions and Recommendations References References 1. Corrosion...
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
... as one of the first comprehensive studies into the cause of season cracking, Moore, Beckinsale, and Mallinson concluded in their 1921 paper, “The Season Cracking of Brass and Other Copper Alloys,” that “some agency additional to the presence of initial (residual) stress appears to be necessary...
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
... systems. Most metals, including iron, copper, nickel, aluminum, and their alloys, are more or less susceptible to damage ( Ref 1 , 2 , 3 ). Only titanium and its alloys appear to be generally resistant ( Ref 4 ). This review focuses initially on the mechanisms of microbially induced or influenced...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001484
EISBN: 978-1-62708-229-7
...Abstract Abstract Fusing of the switch contacts of a boiler feed pump drive motor led to the failure of a turbine. After rubbing of most of the Ni-Cr steel LP wheels had occurred, due to the admission of water carried over with the steam, a copper-rich alloy from the interstage gland rings...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001530
EISBN: 978-1-62708-225-9
.... Sadykov F. A. , Barykin N.P. , and Aslanyan I.R. : “Wear of Copper and Its Alloys With Submicrocrystalline Structure,” Wear , 1999 , 225–229 , pp. 649 – 55 . 4. Czupryk W. : “Frictional Transfer of Iron in Oxidative Wear Conditions During Lubricated Sliding,” Wear , 2000...