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cast nickel alloys

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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
... resistance as well as its mechanical properties. Past studies on the dealloying of NAB alloys conducted by the U.S. Navy have concluded: Dealloying in as-cast components is diminished if the nickel content is greater than 4 wt.%. However, the as-cast microstructure is still susceptible...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001183
EISBN: 978-1-62708-223-5
... of copper, nickel, and cobalt. A steel of similar composition, X38Cr-MoV5 1 (W-No. 2343) was used for hot working tools. The sliver originated from a damaged press tool. Hot working Impurities Studs Aluminum Metalworking-related failures In a continuously cast aluminum press stud two small...
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
.... Type 304L stainless steel was chosen because its erosion-resistant properties were superior to those of nickel-aluminum-bronze alloy. The plant owners, rather than the pump manufacturers, changed the pump impeller material specification and subcontracted the casting of the impellers themselves. Within...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001566
EISBN: 978-1-62708-229-7
... of chloride-induced SCC in austenitic stainless steels. The failure resulted from chloride-induced SCC, possibly assisted by cyclic stress. The recommendation for alternate material for the desuperheater nozzle included nickel base alloys per ASTM B 564, Grades 600 or 800 titanium alloy per ASTM B 367, Grades...
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
... 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 been in use...
Image
Published: 01 June 2019
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. More
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
... 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.auto.c9001543
EISBN: 978-1-62708-218-1
... to 500 F, and must withstand explosive loads which can exceed 1,000 psi. Because light weight is needed, virtually all such pistons are cast aluminum. The preferred alloy is 357 aluminum, which contains 6.5 to 7.5 Si and 0.45 to 0.60 Mg. Tensile strength is 45,000 to 52,000 psi in solution treated, aged...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001284
EISBN: 978-1-62708-215-0
... Abstract Compound bow handle risers that had failed in service and during assembly along with an unassembled riser were submitted for analysis. The risers were die cast from magnesium-base alloy AM60A. Inspection of the failed risers and metallurgical investigations conducted on the stock riser...
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
... Emission spectroscopic analysis determined that the tube was within chemical specification. Elements known to embrittle copper-nickel alloys, such as bismuth, were not initially found. Mechanical Properties Hardness The microhardnesses of the two tube sections were virtually identical...
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
... environments, the cast structure of a nickel weld may be anodic to the wrought parent metals. The combination of their passive surface with their inherent resistance places nickel-chromium alloys such as Inconel alloy 600 and Hastelloy alloy C-276 in more noble positions in the traditional galvanic series...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0060144
EISBN: 978-1-62708-234-1
... filled with a nickel catalyst. The tubes were centrifugally cast from ASTM A297, grade HK-40 (Fe-25Cr-20Ni-0.40C), heat-resistant alloy. The tube was concluded after metallurgical inspection to have failed from creep rupture (i.e., stress rupture). A project for detecting midwall creep fissuring...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001365
EISBN: 978-1-62708-215-0
..., potassium, nickel, and copper were present in both deposits. The iron, chromium, and a small percentage of the silicon are base metal constituents. The bulk of the silicon could have been a sand residue from the impeller casting process. The other deposit constituents could have come from the feedwater...
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
... active materials, such as aluminum and ferrous alloys. In chloride-bearing solutions, nickel is somewhat more noble than copper, and the cupronickels lie somewhere in between. Nickel and its alloys are similar to copper alloys in their effects on stainless steels. In some environments, the cast structure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0091622
EISBN: 978-1-62708-230-3
.... If redesign was impossible, an alloy more resistant to Cl-SCC, such as a duplex stainless steel or a high-molybdenum (4 to 6%) austenitic stainless steel, should be used. Chlorides Digesters Paper machines CF-8M UNS J92900 Stress-corrosion cracking A CF-8M (cast type 316) neck liner or manway...
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.mech.c9001530
EISBN: 978-1-62708-225-9
... (for good casting properties), nickel (to achieve fine grain and uniform dispersion of lead) etc. 9 Commercial leaded tin bronzes contain a variable percentage of different constituents to suit a particular application. In the present work, two different leaded tin bronzes have been investigated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001165
EISBN: 978-1-62708-234-1
... as well as the pump housing consisted of cast iron alloyed with nickel. Chemical analysis of the non-corroded part of the impeller showed the following composition [in wt.%]: C ges./total Graphit/grapite 3,14 2,55 Ni S 3,12 0,15 The microstructure consisted of lamellar...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... the intended function is decreased. The article addresses factors that may cause failures in castings for each metal type, starting with gray iron and progressing to ductile iron, steel, aluminum, and copper-base alloys. It describes the general root causes of failure attributed to the casting material...
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...