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substrate coatings

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001516
EISBN: 978-1-62708-234-1
... in disk drives consists of a metal, glass, ceramic, or plastic substrate coated with a magnetic material. Data errors are classified as ‘soft’ or ‘hard’ depending on their correctability. Examination has shown that hard errors are the result of an abrasive wear process that begins with contact between...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... into the design considerations of coating-substrate material properties, coating thickness, and coating processes to combat RCF failure in TS coatings. chemical vapor deposition coating coating thickness failure modes fatigue performance overlay coatings physical vapor deposition rolling contact...
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
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001265
EISBN: 978-1-62708-215-0
... of the polyethylene. The sintered porous coating exhibited multiple regions where fatigue fracture of the neck region occurred, as well as indications that the sintering process did not fully incorporate the beads onto the substrate. Better process control during sintering and use of subsequent heat treatments...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001572
EISBN: 978-1-62708-236-5
... surface with discoloration and coating removal. The substrate material was E52100 which was through-hardened to HRC 55-60. The slippers that were in contact with the coated wobbler surface were made of AISI 06 material. A synthetic oil was used as the hydraulic fluid in the application. The failure...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001843
EISBN: 978-1-62708-241-9
... powder and the plating material had separated from the substrate in many areas. Several connectors, including some that had been in service, were examined to determine what caused the change. The order stated that the connectors were to be coated with a layer of tin-bismuth (2% Bi) to guard against tin...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001589
EISBN: 978-1-62708-235-8
...Abstract Abstract The paper discusses the analysis of a coating defect on a high phosphorus electroless nickel (Ni-11 wt. % P) deposit plated on an aluminum alloy substrate. Preliminary investigations had indicated that the elongated defects were possibly caused by the entrapment of long fibers...
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
... of extended high-temperature exposure for 1000 h at 900 °C (1650 °F) on coating 24/alloy 792. (a) Coating structure largely intact before exposure. (b) Breakup of coating phases after exposure, leading to breakdown of corrosion resistance and coating failure into the superalloy substrate. Courtesy of U.S...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
.... Szala M. , Walczak M. , Pasierbiewicz K. , and Kamiński M. , Cavitation Erosion and Wear Mechanisms of AlTiN and TiAlN Films Deposited on Stainless Steel Substrate , Coatings , Vol 9 , 2019 , p 340 , 10.3390/coatings9050340 8. Zavieh A.H. and Espallargas N...
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
...-coat/substrate interface due to interdiffusion. The thickness of β-depleted zone is typically a function of exposure time and temperature [ 6 ]. The β-depleted zone thickness of 400 and 721ES were, respectively, 10 and 15 μm at the outer surface of bond coat, and β phases of 721ES were coarser than...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... contact was at the top land termination. The wraparound portion of the terminations coated the top land termination and “wrapped around” the ends of the substrate. No material was specified for the termination layers; however, it was specified that the wrap-around or edge terminations were to be coated...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
...: change in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other surface modifications; corrosion monitoring...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... 139. Erdemir A. , Rolling-Contact Fatigue and Wear Resistance of Hard Coatings on Bearing-Steel Substrates , Surf. Coat. Technol. , Vol 54 , 1992 , p 482 – 489 10.1016/S0257-8972(07)80070-3 140. Baragetti S. , Terranova A. , and Tordini F. , Contact Fatigue...
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
... levels, and improper burner operation. High-temperature coatings provide a barrier from corrosive or highly oxidative environments that may degrade the substrate alloy, thus supplementing the inherent corrosion resistance of most high-temperature alloys. To provide optimal performance, coatings need...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... been dissolved. Iron is nearly inert in air-free water and seawater, because there is limited cathodic reaction possible. If the surface of the metal is coated with paint or other nonconducting film, the rates of both anodic and cathodic reactions are greatly reduced, and corrosion will be retarded...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001625
EISBN: 978-1-62708-218-1
...Abstract Abstract Two acrylic-coated polymeric motorcycle components exhibited fisheye blemishes after painting. SEM and EDS results showed relatively high levels of sulfur and chlorine associated with the blemishes in both parts. This suggested some adherent residual substances, possibly...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001102
EISBN: 978-1-62708-214-3
... (EDS) was used to qualitatively analyze the coating on the fracture surface. The location analyzed is at “A” in Fig. 6 and proved to be cadmium. Figure 7 is an EDS graph related to this analysis. Figure 6 also shows that the substrate was primarily intergranular, consistent with liquid metal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001657
EISBN: 978-1-62708-227-3
... degeneration effects, including the soundness of the coating-substrate interface, can readily be identified by this technique. Metallographic examination in the etched condition provides useful information pertaining to service-induced microstructural degradation, e.g., creep voiding and triple-point...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... the central and peripheral regions on the internal side of the rim formed around the indentation. The intermediate zone exhibits adhesive-cohesive failure of the coating under the buildup of shear stresses, which arise from plastic strain of the substrate during impact. In hard brittle coatings, the high...
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...