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Cast nickel-based superalloys

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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.c9001758
EISBN: 978-1-62708-241-9
... at carbides and other microconstituents, especially in single crystal castings that do not possess grain boundaries. gas turbine engine components creep deformation overheating nickel-base superalloy interdendritic stress-rupture fracture stress-rupture testing stress-rupture life Cast nickel...
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
... effects of high-temperature oxidation on the hot corrosion process. Preventative measures are also discussed. gas turbine thermal fatigue cracking hot corrosion superalloys corrosion cavities spark optical emission spectrometry operating temperature GTD 111 (cast nickel-base superalloy) FSX...
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
... Deformation mechanism map for the cast nickel-base superalloy MAR-M200 with a grain size of 100 μm. Source: Ref 3 The formation of cavities (voids) on the grain boundaries during creep is brought about by migration of crystal lattice defects and/or the grain-boundary sliding process ( Ref 4...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090181
EISBN: 978-1-62708-229-7
...Abstract Abstract Cracking in gas turbine blades was found to initiate from a mechanism of low-cycle fatigue (LCF). LCF is induced during thermal loading cycles in gas turbines. However, metallography of two cracked blades revealed a change in microstructure at as-cast surfaces for depths up...
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
..., and nozzles Alloy designation Description Alloys for blades and buckets Udimet 520 Wrought nickel-base alloy Udimet 500 Cast nickel-base alloy IN 738 Conventionally cast nickel-base alloy, high carbon IN 738LC Conventionally cast nickel-base alloy, low carbon DS CM 247 LC...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001829
EISBN: 978-1-62708-241-9
... oxidation thermal-barrier coated superalloys spalling microstructural analysis operating time ECY768 (cobalt-base superalloy) Co-Ni-Cr-Al-Y (cobalt-nickel-chromium-aluminum-yttrium alloy) Introduction Experiment Results and Discussion Conclusions References References 1. Goward...
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
...-base superalloy 1040 1905 3 S-816 cobalt-base alloy 980 1795 3 Hastelloy X nickel-base superalloy 1205 2200 3 HX (17Cr-66Ni-bal Fe) 1150 2100 3 (a) Seamless tube. (b) Electric-resistance-welded tube General power plant classifications Table 2 General...
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
... turbines Cr-Mo-V steels 825–975 0.45–0.50 Pressure vessels and piping in nuclear reactors 316 stainless steel 650–750 0.35–0.40 Reactor skirts in nuclear reactors 316 stainless steel 850–950 0.45–0.55 Gas turbine blades Nickel-base superalloys 775–925 0.45–0.60 Burner cans for gas...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001681
EISBN: 978-1-62708-234-1
... Temperature Sulfur-Oxygen Corrosion of Nickel and Cobalt: , Hot Corrosion Problems Associated with Gas Turbines , American Society for Testing and Materials , Philadelphia , p. 21 ( 1967 ). 19. Misra A. K. , “Hot corrosion of Nickel and Cobalt Base Alloys at Intermediate Temperatures” , 10th...
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
...-base superalloy 1040 1900 1 S-816 cobalt-base superalloy 980 1800 1 Hastelloy X nickel-base superalloy 1205 2200 1 HX (17Cr-66Ni-bal Fe) 1150 2100 1 (a) Seamless tube. (b) Electric resistance welded tube Melting points of common refractories Table 2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001602
EISBN: 978-1-62708-229-7
... are fabricated from the U-500 (Udimet 500) alloy. Udimet 500 is a precipitation-hardened (gamma prime), nickel-base alloy which has an intermediate strength under hot corrosion conditions. The buckets are fabricated by conventional investment casting (equiaxial grains) and uncoated. One of the controlled...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
.... 2 Inelastic damage (in the form of slip) manifesting on the surface of a single-crystal nickel-base superalloy after an identical monotonic load was applied at (a) 25 °C (75 °F) and (b) 650 °C (1200 °F). Source: Ref 3 Fig. 4 Cross section of a nickel-base superalloy after...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001357
EISBN: 978-1-62708-215-0
...Abstract Abstract Two 20 MW turbines suffered damage to second-stage blades prematurely. The alloy was determined to be a precipitation-hardening nickel-base superalloy comparable to Udimet 500, Udimet 710, or Rene 77. Typical protective coatings were not found. Test results further showed...
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
... initiation and growth can make only relatively small differences in total elongation. Replicate tests may thus exhibit large differences in total elongation but very small differences in true elongation. Stress-rupture ductility is an important factor in alloy selection. In conventionally cast nickel...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... Handbook , ASM International , 2020 , p 277 – 286 10.31399/asm.hb.v24.a0006557 10. Kirka M.M. , Additive Manufacturing of Nickel-Base Superalloys , Additive Manufacturing Processes , Vol 24 , ASM Handbook , ASM International , 2020 , p 339 – 345 10.31399/asm.hb.v24.a0006582 11...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... and Short Term Properties of a Commercial Alloy , J. Iron Steel Inst. , Vol 179 , 1955 , p 105 – 120 22. Leverant G.R. and Duhl D.N. , The Effect of Stress and Temperature on the Extent of Primary Creep in Directionally Solidified Nickel-Base Superalloys , Metall. Trans. , Vol 2...
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
... of the alloying element in question, but also having the same matrix element and a similar concentration of alloying element. For example, it may not be a good idea to use a nickel-base superalloy with 15% chromium as a calibration check for an iron-base stainless steel with 15% chromium. Another important...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
.... Notches, sharp corners, or preexisting cracks can also eliminate detectable stage I propagation in many metals. Similarly, some alloys (such as certain nickel base superalloys and cobalt base alloys) can display very extensive regions of propagation on specific crystallographic planes (so-called stage I...
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...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... corners, or preexisting cracks can also eliminate detectable stage I propagation in many metals. In contrast, some alloys (such as certain nickel-base superalloys and cobalt-base alloys) can display very extensive regions of propagation on specific crystallographic planes (so-called stage I propagation...