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cobalt-base heat-resistant casting

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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.c9001827
EISBN: 978-1-62708-241-9
...-cast cobalt-based superalloys. Cobalt-based superalloys such as FSX 414 show good resistance to hot corrosion and good weldability. Iron–nickel-based superalloys, e.g., Inconel 718 are typically used for disks, and lower temperature blades, vanes, and shrouds. Stainless steels, both austenitic...
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
... 1150 2100 4 405, 410 705 1300 4 416 675 1245 4 420 620 1150 4 430 815 1500 4 440 760 1400 4 442 980 1795 4 446 1095 2005 4 Superalloys N-155 iron-base superalloy 1040 1900 1 S-816 cobalt-base superalloy 980 1800 1...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001712
EISBN: 978-1-62708-234-1
... or carbonitrides, however these effects were not quantified in the references cited. Moreover, no mention was found on the effect of nitridation on alloy density. Therefore, the experiment was designed to help determine the effects of major elements Ni, Cr, Co, and Fe in cast heat resistant alloys. Ten alloys...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... that are far more erosion resistant than the standard constructional materials described earlier are well known. The best of these, exemplified by cobalt-base alloys and NiTi alloys, are characterized by energy-absorbing deformation modes: fine twinning, stress- or strain-induced phase transformation...
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
..., 347 925 1695 6 330 1150 2100 6 405, 410 705 1300 6 416 675 1245 6 420 620 1150 6 430 815 1500 6 440 760 1400 6 442 980 1795 6 446 1095 2005 6 Superalloys N-155 iron-base superalloy 1040 1905 3 S-816 cobalt-base alloy...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006824
EISBN: 978-1-62708-329-4
... and power turbines and, in some cases, the aft-most stages of the compressor. Therefore, creep-resistant nickel and cobalt-base superalloys are typically used for components in these high-temperature regions of the gas turbine. There are multiple mechanisms by which creep manifests in a material...
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...
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
... noble metals and alloys therefore tend to be minimized. Cobalt-Base Alloys Cobalt-base alloys, most of which are chromium bearing, are resistant to galvanic corrosion because of their noble position in the galvanic series. However, in environments in which their passive film is not stable...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... Nickel- and cobalt-base heat-resisting alloys 650 1200 0.56 T M Refractory metals and alloys 980–1540 1800–2800 0.4–0.45 T M Typical elevated temperatures in engineering applications Table 2 Typical elevated temperatures in engineering applications Application Typical...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001610
EISBN: 978-1-62708-222-8
... for surgical implant materials. Additionally, none of the stainless steel piercings passed the pitting-resistance criterion of ISO 5832-1, which implies that [%Cr + 3.3(%Mo)] > 26. Under microscopic examination, most of the jewelry revealed the intense presence of linear irregularities on the surface...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... iron, gray cast iron, malleable irons, ductile iron, low-alloy steel castings, austenitic steels, corrosion-resistant castings, and cast aluminum alloys are the materials discussed. The article describes the general types of discontinuities or imperfections for traditional casting with sand molds...
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
... therefore tend to be minimized. Cobalt-Base Alloys Cobalt-base alloys, most of which are chromium bearing, are resistant to galvanic corrosion because of their noble position in the galvanic series. However, in environments in which their passive film is not stable, they occupy a more active position...
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
...-chromium-molybdenum alloy: ASTM F 75-82, ISO 5832/IV (1978) Wrought cobalt-base alloys: ASTM F 90-82, ASTM F 562-84, ISO/DIS 5832/6, ASTM F 563-83, ISO/DIS 5832/8 Certain applications—for example, in the skull—involve use of tantalum and niobium, both of which have high corrosion resistance...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... on actual products, especially when they have been in service. Even when no corrosion is involved, the analyst needs to be aware that most listed steel specifications, for example, are based on ladle analysis. The ladle analysis is more representative of the entire heat than the relatively tiny specimen...
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
... metals to ceramics. Procedures for brazing various materials such as cast irons, steels, stainless steels, heat-resistant alloys, aluminum alloys, titanium alloys, copper alloys, reactive and refractory metals, and carbon and graphite are described in Welding, Brazing, and Soldering , Volume 6...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... of creep °C °F T as ratio of T M , K Aluminum alloys 150–200 300–400 0.48–0.54 T M Titanium alloys 315 600 0.3 T M Low-alloy steels 370 700 0.36 T M Austenitic, iron-base, heat-resisting alloys 540 1000 0.49 T M Nickel- and cobalt-base heat-resisting alloys...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... alloys are used for the relatively cool components, such as those in the fan and low-pressure compressor sections. Nickel-base, iron-nickel, and iron-base heat-resisting alloys are used for “warm” parts, such as shafts, turbine disks, high-pressure compressor disks, and cases. Nickel-base and cobalt-base...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
.... Remedial Action Because these components are subjected to high-cycle fatigue loading, a bimodal (α + β) microstructure with equiaxed primary α should be used to resist fatigue crack initiation. Porous coating processes or subsequent heat treatments that yield a coarse β microstructure should...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... removed from a cast component may not necessarily bear relation to grade/condition determination based on separately poured test bars, results suggested the G3000 grade designation for automotive gray cast iron. The typical fracture morphology within the matrix was transgranular cleavage...