PMID: 11920670Mar 29, 2002Paper

Effect of chemical composition on the corrosion behavior of Ni-Cr-Mo dental casting alloys

Journal of Biomedical Materials Research
Her-Hsiung Huang

Abstract

The objective of this investigation was to study the compositional influence on the corrosion behavior of Ni-Cr-Mo dental casting alloys in acidic artificial saliva. Cyclic potentiodynamic and potentiostatic tests were used to evaluate the corrosion behavior of different Ni-Cr-Mo dental casting alloys in deaerated artificial saliva with pH 5 at 37 degrees C. Optical microscope observations were made following the cyclic potentiodynamic tests. Surface chemical analyses were characterized by X-ray photoelectron spectroscopy and auger electron spectroscopy following the potentiostatic tests. The results show that the corrosion resistance of the Ni-Cr-Mo casting alloys investigated is associated with the formation of passive film containing Ni(OH)(2), NiO, Cr(2)O(3), and MoO(3), on the surface. The pitting potential and passive range, respectively, were statistically different among the different Ni-Cr-Mo alloys. The Ni-Cr-Mo alloys with higher Cr ( approximately 21%) and Mo ( approximately 8%) contents had a much larger passive range in the polarization curve and were immune to pitting corrosion due to the presence of high Cr (maximum approximately 31-35%) and Mo (maximum approximately 12%) contents in the surface passive film. Th...Continue Reading

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Citations

Jan 17, 2008·Journal of Materials Science. Materials in Medicine·Mohit SharmaNirbhay Singh
Apr 5, 2011·International Journal of Dentistry·Srinivasa B Rao, Ramesh Chowdhary
Jun 22, 2007·Vojnosanitetski pregled. Military-medical and pharmaceutical review·Nemanja Mirković
Feb 22, 2016·Journal of Materials Science. Materials in Medicine·Songmei ZhangXiuxin Liu
Oct 15, 2011·Dental Materials : Official Publication of the Academy of Dental Materials·Emma Louise McGinleyGary P Moran
Dec 17, 2009·Dental Materials : Official Publication of the Academy of Dental Materials·Siân B JonesDavid Johnson
Apr 22, 2009·Dental Materials : Official Publication of the Academy of Dental Materials·Süleyman H TunaFulya Canli
Dec 15, 2015·Materials Science & Engineering. C, Materials for Biological Applications·Yanjie BaiShicheng Wei
Apr 23, 2014·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Evşen TamamSemra Bilgiç
Aug 1, 2006·Dental Materials : Official Publication of the Academy of Dental Materials·Rafah R Al-HityBrigitte Grosgogeat
Oct 15, 2014·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Evşen TamamSemra Bilgiç
Jun 6, 2012·Brazilian Dental Journal·Rodrigo GaloMaria da Glória Chiarello de Mattos
Nov 26, 2009·Journal of Applied Oral Science : Revista FOB·Adriana Cláudia Lapria FariaRicardo Faria Ribeiro
May 27, 2006·Brazilian Oral Research·José Roberto de Oliveira BauerLeonardo Eloy Rodrigues Filho
Aug 20, 2003·Journal of Biomedical Materials Research. Part a·Her-Hsiung Huang
Mar 20, 2013·The Journal of Advanced Prosthodontics·Ali Riza TuncdemirMehmet Dalkiz
Dec 14, 2007·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Adriana C L FariaRicardo F Ribeiro
Jan 8, 2021·Journal of Dental Research, Dental Clinics, Dental Prospects·Elnaz MoslehifardFarzad Nasirpouri

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