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cobalt alloys

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Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001133
EISBN: 978-1-62708-214-3
...Abstract Abstract A femoral knee implant was returned to the casting vendor for analysis after exhibiting poor bond strength between the cast substrate and a sintered porous coating. Both the coating and the substrate were manufactured from a cobalt-chromium-molybdenum alloy. Metallographic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048399
EISBN: 978-1-62708-226-6
...Abstract Abstract Two of four adjustable Moore pins, which had been used to stabilize a proximal femur fracture, were found to be broken and deformed at their threads. The pins were made from a cobalt-chromium alloy and were not in the same condition. Brittle precipitates in the grains...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048423
EISBN: 978-1-62708-226-6
...(a) shows a radiograph illustrating the broken prosthesis. The dislocation of the fragment of the prosthesis indicated the degree of loosening and implant loading. Fig. 1 Broken hip prosthesis of cast type ASTM F75 cobalt-chromium-molybdenum alloy. (a) Radiograph of total hip prosthesis. Circular...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001803
EISBN: 978-1-62708-241-9
.... , Buckley C.A. , et al. : “ Intergranular Corrosion-Fatigue Failure of Cobalt-Alloy Femoral Stems ,” J. Bone Joint Surg. Am. , 1994 , 76 ( 1 ), pp. 110 – 115 10.2106/00004623-199401000-00014 . 15. Chaodi L. , Christopher G. , et al. : “ Progressive Failure Analysis of Laminated...
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
... implant materials: Stainless steel: ASTM F 55-82, ASTM F 56-82, ASTM F 138-82, ASTM F 139-82 (contains remelted Special Quality), ISO/DIS 5832/1 (1986) Unalloyed titanium: ASTM F 67-83, ISO 5832/II (1984) Titanium alloy Ti-6Al-4V ELI: ASTM F 136-79, ISO 5832/III (1978) Cast cobalt...
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
... stainless steel ISO 5832-1 Pure titanium ISO 5832-2 Wrought titanium 6-aluminum 4-vanadium alloy ISO 5832-3 Cast cobalt-chrome-molybdenum alloy ISO 5832-4 Wrought cobalt-chrome-tungsten- nickel alloy ISO 5832-5 Wrought cobalt-nickel-chrome- molybdenum alloy ISO 5832-6 Wrought cobalt...
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 Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001281
EISBN: 978-1-62708-215-0
...Abstract Abstract The first-stage nozzles of a high-pressure turbine section of an industrial gas turbine exhibited leading and trailing-edge deterioration. The nozzles were made of X-40, a cobalt-base alloy, and were aluminide coated. Failure analysis determined that the deterioration...
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
... , Colloque 8, Vol 5 , 1995 , p 1193 – 1198 18. Akhtar A. , Rao A.S. , and Kung D. , Cavitation Erosion of Stainless Steel, Nickel, and Cobalt Alloy Weld Overlay Materials , Coatings and Bimetallics for Aggressive Environments , Sisson R.D. Jr. Ed., American Society...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0046966
EISBN: 978-1-62708-229-7
...Abstract Abstract A turbine vane made of cast cobalt-base alloy AMS 5382 (Stellite 31; composition: Co-25.5Cr-10.5Ni-7.5W) was returned from service after an undetermined number of service hours because of crack indications on the airfoil sections. This alloy is cast by the precision investment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048403
EISBN: 978-1-62708-226-6
... direction. A zone of heavily deformed grains at the fracture edge was revealed by longitudinal metallographic examination. The shearing fractures of a commercially pure titanium screw and a cast cobalt-chromium-molybdenum alloy were discussed for purpose of comparison. Deformation Surcigal implants...
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
... for Metals , Metals Park, OH , p. 213 ( 1980 ). 11. Natesan K. , “High-Temperature Corrosion” , Prevention of Failures in Coal Conversion Systems , U. S. Department of Commerce , Washington , p. 159 ( 1977 ). 12. Betteridge W. , Cobalt and its Alloys , Wiley , New York...
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
...) additions 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...
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
...-temperature component. Aluminide coatings on transition metals and alloys, such as iron, nickel, and cobalt, are β-FeAl, β-NiAl, and β-CoAl, respectively. Diffusion aluminide coatings are typically processed via pack cementation, slurry-diffusion, or chemical vapor deposition ( Ref 58 ). Other processes...
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: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001266
EISBN: 978-1-62708-215-0
... of the wrought stainless or cast cobalt-chromium alloys traditionally used. The casting procedure produced an inordinately large grain size in the area that experienced the highest stress, further exacerbating the danger of failure. The well-known relationship between grain size and strength was effectively...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001606
EISBN: 978-1-62708-226-6
... stainless steels from the viewpoint of fatigue resistance, with titanium and titanium alloys, cobalt alloys, the 400-series stainless steels, and custom-processed high-carbon steels having recently been discussed as potential candidate materials for implant fixation devices. 15 The conditions...
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
... not attacked because of the higher resistance to sulfidation of the alloy. Inconel 617 has lower nickel content and higher cobalt and molybdenum content. On-site testing was suggested, and test coupons of various alloys were installed before fabricating another kiln. The suggested alloys were RA85H, 800HT...
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
... resistant alloys. Ten alloys were chosen for the experiment. The alloys contained differing amounts of the elements nickel, chromium, iron, cobalt, tungsten, and silicon. The chemical analysis of the samples is shown in Table 4 . Chemical analysis of the alloys used in the experiment. Complete...