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chromium-nickel alloys

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001394
EISBN: 978-1-62708-234-1
... specification and is apparently a proprietary alloy. High chromium-nickel alloys of this composition mostly find application as heat-resisting alloys. To those of a lower chromium and/or nickel content an addition of molybdenum is usually made in order to improve their corrosion resistance. The pump had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001744
EISBN: 978-1-62708-217-4
... origin of failure. Fig. 4 At the junction of the heat affected zone and weld metal, the light structure is typical of cast chromium-nickel alloy, and the dark HAZ is martensitic. (See Fig. 3 ) Vilella's etch; magnification 100 times. Fig. 5 On the fracture faces, arrows point...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001177
EISBN: 978-1-62708-234-1
... they are simultaneously subjected to tensile stresses. The cracks can propagate across the grains or along grain boundaries. All austenitic chromium-nickel alloys are susceptible to the type of transcrystalline stress corrosion observed in the present case. The susceptibility decreases with increasing stability...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0047606
EISBN: 978-1-62708-228-0
... cracks that extended through the pipe wall. The transgranular nature of the cracking is shown in Fig. 1(c) . The pitting corrosion reaction between type 316L stainless steel and the environment in which it was used is typical of the factors that determine whether the surface of a chromium-nickel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001239
EISBN: 978-1-62708-232-7
...Abstract Abstract A coil made of a nickel-chromium alloy (Material No. 2.4869) with approx. 80Ni and 20Cr had burned through after a brief period of operation as a heating element in a brazing furnace. The protective atmosphere consisted of an incompletely combusted coal gas. Furnace...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001046
EISBN: 978-1-62708-214-3
..., and Inco alloy C-276) were placed directly in the hot gas stream, containing HCl and Cl2, for in situ testing. Results of this investigation showed that nickel-chromium corrosion-resistant alloys, such as Inconel 600, Inconel 625, and Inco alloy C-276, performed well in this environment. Laboratory testing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001238
EISBN: 978-1-62708-232-7
... the temperature supposedly did not exceed 1050 deg C. Structural observations indicated a special case of internal oxidation. The required conditions for this were apparently provided by the moist hydrogen atmosphere of the annealing furnace, in which the chromium was oxidized, while the oxides of iron and nickel...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001771
EISBN: 978-1-62708-241-9
... ( a ) SEM image of coke in inner surface. ( b ) EDS analysis of ( a ). ( c ) SEM image of coke in outer surface. ( d ) EDS analysis of ( c ) Once the oxide scale spalls off the tube, the non-protected metal is rich in iron and nickel and is exposed directly to the gas. Nickel and iron-rich alloys...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0049796
EISBN: 978-1-62708-235-8
... by electrical heating of the bridgewire. Evidence of severe corrosion was revealed on examination of the nickel-chromium-iron alloy bridgewire and the nickel-iron alloy pins. Metallic elements in the pin or bridgewire and substantial amounts of chlorine were detected from the x-ray spectra. Morphological...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... concentration decreases with depth, due to diffusion limitations. Precipitates formed along the diffusion front. Fig. 7 Sulfidation and chloridation attack on nickel alloy of charcoal-regeneration kiln. See also Fig. 8 . Region 1 is an area of chromium sulfide islands (dark phase) interspersed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001628
EISBN: 978-1-62708-234-1
...Abstract Abstract A nickel alloy cylinder plated with chromium along its inner liner, installed in a commercial ice cream freezer, showed gray discoloration along its OD surface. The discolored parts exhibited significantly reduced cooling efficiency as compared with new cylinders. During...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0091757
EISBN: 978-1-62708-232-7
... spectra ( Fig. 3 ) show the chemical makeup of these phases. Fig. 1 Sulfidation and chloridation attack on nickel alloy of charcoal-regeneration kiln. See also Fig. 2 . Region 1 is an area of chromium sulfide islands (dark phase) interspersed in chromium-depleted region (bright phase). Region 2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001638
EISBN: 978-1-62708-228-0
... and/or aluminum to form a protective layer of chromium or aluminum oxide (Cr 2 O 3 or Al 2 O 3 ) scale to resist oxidation and other forms of high-temperature corrosion. These oxide scales are slow growing. When an alloy is under sulfidation attack, sulfides of chromium, iron, and nickel are likely to form...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001599
EISBN: 978-1-62708-236-5
... was significantly less than the amount of nickel. Aluminum, silicon, and trace amounts of chromium and oxygen were identified on the surface of the electrode. Several of the feed materials contained small amounts of sodium sulfate, which under certain conditions can result in severe attack of nickel base alloys...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046995
EISBN: 978-1-62708-232-7
... examination were removed from the heavily corroded area of each tube. Micrographs taken from areas near the surfaces of the three tubes are shown in Fig. 1(b) to (d) . As shown in Fig. 1(b) , the tube made of alloy 634, which contained the highest nickel and lowest chromium contents of the three alloys...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001182
EISBN: 978-1-62708-218-1
... cracks by means of which the corrosion has penetrated more deeply leading to cracks in the metal. As a result of diffusion particularly of the alloying elements iron, chromium, nickel and manganese, various fringe-like enrichment zones have established themselves along the edges of the cracks...
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
...” grades has also helped minimize sensitization by limiting the carbon content so that a minimum of the chromium carbides could form. The introduction of the nickel-brazed process in ultradry hydrogen atmospheres with elevated brazing temperatures was a major step in producing brazements with corrosion...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... is an area of chromium sulfide islands (dark phase) interspersed in a chromium-depleted region (bright phase). Region 2 has an angular phase (consisting mostly of nickel sulfide) in the chromium-depleted region (bright phase). The dark outer region contains cavities, corroded metal, and various debris...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001163
EISBN: 978-1-62708-234-1
...; the latter causes flake-like spalling. Measures to prevent SCC include stress reduction, use of austenitic steels or nickel alloys not susceptible to grain boundary attack, use of ferritic chromium steels, surface slag removal, control of temperature and chloride concentration, and cathodic protection...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001705
EISBN: 978-1-62708-234-1
..., [ 14 ]. Furthermore, high nickel-chromium alloys (such as Inconel) show poor resistance to liquid tin at 300 and 600°C. Nickel-chromium steels suffer rupture failures when stressed in contact with lead and tin, [ 15 ]. Inconel should not be used in continuous contact with various molten metals...