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high-strength nickel-base alloys

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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
... 2 atmospheres at elevated temperatures (∼1090 °C, or 2000 °F). Both stainless steel and nickel-base alloys may suffer from severe nitridation attack, resulting in loss of creep strength and/or ductility. Alloys are susceptible to nitridation attack in combustion environments even when...
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
... in gaseous hydrogen generally increases with increasing hardness. Generally, high-strength steels and high-strength nickel alloys display severe degradation of tensile properties in hydrogen gas. Austenitic stainless steels, aluminum alloys, and alloy A286 show very little embrittlement...
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
..., but they may reduce impact strength. Indirectly, compositional changes in the vicinity of carbides can alter rupture strength. In general, acicular M 6 C carbides are not believed to affect the properties of nickel-base high-temperature alloys greatly, unless the alloying elements involved in the carbide...
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
... creep failure is used. For example, a creep failure of a cobalt-base alloy turbine vane is shown in Fig. 1 . The bowing is the result of a reduction in creep strength at the higher temperatures from overheating. Fig. 1 Creep damage (bowing) of a cobalt-base alloy turbine vane from overheating...
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 Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... and alloys, and the effects can range from a slight decrease in the percent reduction of area at fracture to a brittle macroscopic fracture at a relatively low applied stress (often well below the yield strength). Even small amounts of hydrogen can have a deleterious effect, particularly for high-strength...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001595
EISBN: 978-1-62708-235-8
... In-service cracking occurred to a large piece of mining equipment. The vehicle was fabricated from ASTM A 572 Grade 50 High Strength Low Alloy (HSLA) steel, ranging in thickness from 38 to 152 mm. Fatigue fracture was found to have initiated in a weld HAZ in 127 mm thick plate. The plate met the grade...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
... forms of environmentally induced embrittlement of the grain boundaries include neutron embrittlement, SMIE, and LMIE. Intergranular fracture processes, whether hydrogen or stress-corrosion enhanced, are frequently observed in high-strength steels, aluminum alloys, and nickel-base alloys...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006777
EISBN: 978-1-62708-295-2
... Scanning electron microscopy images of intergranular fracture with different grain morphologies. (a) Rock candy appearance from atmospheric stress-corrosion cracking of a high-strength aluminum alloy with equiaxed grains. Original magnification: 130×. (b) Intergranular fracture along the part line...
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
... are anodic to the main body of the metal and therefore less resistant to corrosion because of precipitated phases, depletion, enrichment, or adsorption. In wrought high-strength heat treatable aluminum alloys, paths of stress-corrosion cracks are always intergranular, because the thermal treatments...
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
... filler metals, such as nickel-base and precious metals, brazing could take place at high temperatures that were compatible with the annealing temperatures. These suggested braze filler metals do not contain zinc, which is the prime candidate in the silver braze filler metal for producing LMIE. Alloying...
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
... stainless steel and nickel-base alloys can suffer from severe nitridation attack, resulting in loss of creep strength and/or ductility. Alloys are susceptible to nitridation attack in combustion environments even when such environments are oxidizing. Increasing iron in the alloy increases its susceptibility...
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
... and industries that have experienced SCC failures include (this list is not exhaustive): Aerospace: Aluminum alloys in structural aircraft components such as landing gear and wing components, stainless steel tubing used as part of the hydraulic or fuel systems, high-strength low-alloy steel...
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
... in the base material. Fig. 3 Temperatures developed in racing were high enough to melt out low-melting-point material in the 357 alloy, leaving porous zones in piston crowns. Such structures appear as shrinkage porosity in radiographs. Unetched; 35×. Compositions of Crown Deposit and Piston No. 1...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001818
EISBN: 978-1-62708-241-9
... strip to restrict its movement over the sleeve. Incoloy 800 (UNS N08800) is Fe–Ni base super and heat resistant alloy widely used material for construction of equipment requiring corrosion resistance, heat resistance, strength, and stability for service up to 816 °C. It is a solid solution...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001840
EISBN: 978-1-62708-241-9
.... bimetal plate shear failure impact energy nickel-base superalloy carbon steel plastic deformation shear testing adhesion strength Inconel 625 (nickel-base superalloy) UNS N06625 ASTM A517 (low carbon steel) Introduction Despite the fact that Inconel 625 as a nickel-based superalloy...
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
... components made of various high-temperature-resistant alloys. Type I hot corrosion was observed on buckets and nozzles. Hot corrosion type I attacks both nickel- and cobalt-based superalloys, e.g., GTD 111 for buckets and FSX414 for nozzles. In the case of buckets, hot corrosion was observed in the form...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001824
EISBN: 978-1-62708-241-9
... nickel-base alloy). This unfavorable area ratio (small anode and large cathode) aggravated the corrosion process [ 1 , 2 , 6 ]. The corrosion was accelerated by the presence of high level of chloride ions in addition to the action of H 2 S, CO 2 , and oxygen at high working temperature of 82 °C...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001108
EISBN: 978-1-62708-214-3
... Service Technical information from internationally known petrochemical industries based on their long-term experience with reformer furnaces indicates that problems in high-nickel alloy pigtails can he associated with cold-work procedures ( Ref 1 ). For instance, the isolation specifications...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047010
EISBN: 978-1-62708-234-1
... including a maraging steel (18% Ni, grade 250), a vanadium-modified 4337 gun steel (4337V), H19 tool steel, and high-temperature alloys Rene 41, Inconel 718, and Udimet 630. All the alloys evaluated had been used in mortar tubes previously or were known to meet the estimated minimum yield strength...