Characterization of a duplex coating (boriding + sputter-deposited AlCrON) synthesized on an ASTM F-75 cobalt alloy

C. A. Cuao-Moreu; M. Alvarez-Vera; E. O. García-Sánchez; Demófilo Maldonado-Cortés; A. Juárez-Hernández; M. A.L. Hernandez-Rodriguez

doi:10.1016/j.tsf.2020.138318

Characterization of a duplex coating (boriding + sputter-deposited AlCrON) synthesized on an ASTM F-75 cobalt alloy

C. A. Cuao-Moreu, M. Alvarez-Vera, E. O. García-Sánchez, Demófilo Maldonado-Cortés, A. Juárez-Hernández, M. A.L. Hernandez-Rodriguez^*

^*Corresponding author for this work

Departamento de Ingeniería Mecánica y Eléctrica

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Metallic biomaterials have been widely used due to their excellent mechanical properties. Cobalt-chromium-molybdenum alloys, in particular are among the safest for the fabrication of orthopedic prostheses. Nevertheless, the liberation of metallic ions as a result of wear has become a problem due to adverse biological reactions. Thus, surface modification through thermochemical treatments and ceramic coatings may be used to improve the tribological properties of the alloy. In this work, a duplex coating obtained from a boriding thermochemical treatment plus an aluminum-chromium oxynitride coating created by physical vapor deposition was synthesized on an ASTM F-75 cobalt alloy. This surface condition was compared with a borided and an untreated ASTM F-75 cobalt alloy. Surfaces were characterized using scanning electron microscopy (SEM) with energy dispersive spectroscopy, X-ray diffraction, and nanoindentation test. The tribological response was studied by means of a ball-on-disc tribometer under dry-sliding conditions tracking the coefficient of friction, volume loss, wear rate, and surface damage by stereoscopy, profilometry, optical 3D measurements, and SEM. Duplex coating increased the wear resistance 7 times relative to the wear resistance of the untreated sample, and 1.5 times relative to the borided sample.

Original language	English
Article number	138318
Journal	Thin Solid Films
Volume	712
DOIs	https://doi.org/10.1016/j.tsf.2020.138318
Publication status	Published - 31 Oct 2020

Bibliographical note

Funding Information:
The authors wish to thank to “ Consejo Nacional de Ciencia y Tecnología ” CONACYT for providing a master research fellowship and express their gratitude to CIDET (FIME), CIIIA, COMIMSA and UDEM for allowing to perform each test, and also to “3G Herramientas” (Monterrey, Mexico) for the synthesis of the PVD coatings.

Publisher Copyright:
© 2020 Elsevier B.V.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/j.tsf.2020.138318

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title = "Characterization of a duplex coating (boriding + sputter-deposited AlCrON) synthesized on an ASTM F-75 cobalt alloy",

abstract = "Metallic biomaterials have been widely used due to their excellent mechanical properties. Cobalt-chromium-molybdenum alloys, in particular are among the safest for the fabrication of orthopedic prostheses. Nevertheless, the liberation of metallic ions as a result of wear has become a problem due to adverse biological reactions. Thus, surface modification through thermochemical treatments and ceramic coatings may be used to improve the tribological properties of the alloy. In this work, a duplex coating obtained from a boriding thermochemical treatment plus an aluminum-chromium oxynitride coating created by physical vapor deposition was synthesized on an ASTM F-75 cobalt alloy. This surface condition was compared with a borided and an untreated ASTM F-75 cobalt alloy. Surfaces were characterized using scanning electron microscopy (SEM) with energy dispersive spectroscopy, X-ray diffraction, and nanoindentation test. The tribological response was studied by means of a ball-on-disc tribometer under dry-sliding conditions tracking the coefficient of friction, volume loss, wear rate, and surface damage by stereoscopy, profilometry, optical 3D measurements, and SEM. Duplex coating increased the wear resistance 7 times relative to the wear resistance of the untreated sample, and 1.5 times relative to the borided sample.",

author = "Cuao-Moreu, {C. A.} and M. Alvarez-Vera and Garc{\'i}a-S{\'a}nchez, {E. O.} and Dem{\'o}filo Maldonado-Cort{\'e}s and A. Ju{\'a}rez-Hern{\'a}ndez and Hernandez-Rodriguez, {M. A.L.}",

note = "Funding Information: The authors wish to thank to “ Consejo Nacional de Ciencia y Tecnolog{\'i}a ” CONACYT for providing a master research fellowship and express their gratitude to CIDET (FIME), CIIIA, COMIMSA and UDEM for allowing to perform each test, and also to “3G Herramientas” (Monterrey, Mexico) for the synthesis of the PVD coatings. Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

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AU - Maldonado-Cortés, Demófilo

AU - Juárez-Hernández, A.

AU - Hernandez-Rodriguez, M. A.L.

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N2 - Metallic biomaterials have been widely used due to their excellent mechanical properties. Cobalt-chromium-molybdenum alloys, in particular are among the safest for the fabrication of orthopedic prostheses. Nevertheless, the liberation of metallic ions as a result of wear has become a problem due to adverse biological reactions. Thus, surface modification through thermochemical treatments and ceramic coatings may be used to improve the tribological properties of the alloy. In this work, a duplex coating obtained from a boriding thermochemical treatment plus an aluminum-chromium oxynitride coating created by physical vapor deposition was synthesized on an ASTM F-75 cobalt alloy. This surface condition was compared with a borided and an untreated ASTM F-75 cobalt alloy. Surfaces were characterized using scanning electron microscopy (SEM) with energy dispersive spectroscopy, X-ray diffraction, and nanoindentation test. The tribological response was studied by means of a ball-on-disc tribometer under dry-sliding conditions tracking the coefficient of friction, volume loss, wear rate, and surface damage by stereoscopy, profilometry, optical 3D measurements, and SEM. Duplex coating increased the wear resistance 7 times relative to the wear resistance of the untreated sample, and 1.5 times relative to the borided sample.

AB - Metallic biomaterials have been widely used due to their excellent mechanical properties. Cobalt-chromium-molybdenum alloys, in particular are among the safest for the fabrication of orthopedic prostheses. Nevertheless, the liberation of metallic ions as a result of wear has become a problem due to adverse biological reactions. Thus, surface modification through thermochemical treatments and ceramic coatings may be used to improve the tribological properties of the alloy. In this work, a duplex coating obtained from a boriding thermochemical treatment plus an aluminum-chromium oxynitride coating created by physical vapor deposition was synthesized on an ASTM F-75 cobalt alloy. This surface condition was compared with a borided and an untreated ASTM F-75 cobalt alloy. Surfaces were characterized using scanning electron microscopy (SEM) with energy dispersive spectroscopy, X-ray diffraction, and nanoindentation test. The tribological response was studied by means of a ball-on-disc tribometer under dry-sliding conditions tracking the coefficient of friction, volume loss, wear rate, and surface damage by stereoscopy, profilometry, optical 3D measurements, and SEM. Duplex coating increased the wear resistance 7 times relative to the wear resistance of the untreated sample, and 1.5 times relative to the borided sample.

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Characterization of a duplex coating (boriding + sputter-deposited AlCrON) synthesized on an ASTM F-75 cobalt alloy

Abstract

Bibliographical note

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