Uticaj bombona na otpornost na koroziju ortodontske žice od zlata 18K u prisustvu veštačke pljuvačke

Autori

  • Dennis Antony Wilfred St John's Public School, Medavakkam, Chennai, India Autor
  • Maria Joany Rajendran Sathyabama Institute of Science and Technology (Deemed to be University), Department of ECE, Chennai, India Autor
  • Dorothy Rajendran AMET University, Department of EEE, Chennai, India Autor
  • Anitha Nilavan St. Antony's College of Arts and Sciences for Women (Affiliated to Mother Teresa Women's University, Kodaikanal), Department of Chemistry, Corrosion Research Centre , Dindigul, India Autor
  • Susai Rajendran St. Antony's College of Arts and Sciences for Women (Affiliated to Mother Teresa Women's University, Kodaikanal), Department of Chemistry, Corrosion Research Centre , Dindigul, India + Pondicherry University, Centre for Nanoscience and Technolgy, Puducherry, India Autor
  • Caslav Lacnjevac University of Belgrade, Faculty of Agriculture, Serbia Autor

DOI:

https://doi.org/10.5937/zasmat2301058A

Ključne reči:

otpornost na koroziju, legura zlata 18K, veštačka pljuvačka, čokoladna bombona, potenciodinamička studija polarizacije, spektri elektrohemijske impedanse (EIS), pedijatrijska stomatologija

Apstrakt

Otpornost na koroziju ortodontske žice napravljene od legure zlata 18K uronjene u veštačku pljuvačku u odsustvu i prisustvu ppm čokoladnih bombona ispitana je potenciodinamičkom polarizacionom studijom i spektrom elektrohemijske impedanse (EIS). Prime eno je da se povećava otpornost na koroziju legure zlata 18K uronjene u veštačku pljuvačku u prisustvu ppm čokoladnih bombona. Otuda se zaključuje da ljudi koji imaju ošišani ortodontsku žicu od legure zlata 18K u ustima ne moraju da brinu o uzimanju čokoladnih bombona. Kada se legura zlata 18K uroni u veštačku pljuvačku u prisustvu ppm čokoladnih bombona, vrednost linearne polarizacione otpornosti (LPR) se povećava sa 4844947 Ohmcm2 na 35700904 Ohmcm2 ; struja korozije se smanjuje sa 7,726x10-9A/cm2 na 1,350x10-9A/cm2 ; vrednost otpora prenosa naelektrisanja (Rt) raste sa 172100 Ohmcm2 na 398800 Ohmcm2 ; vrednost impedanse se povećava sa 5,445 na 5,975; kapacitivnost dvostrukog sloja se smanjuje sa 2,963 x10-11F/cm2 na 1,1279 x10-11F/cm2 , a fazni ugao se povećava sa 44,68° na 48,23°.

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2023-03-15

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