Otpornost na koroziju legure SS 18/8 i legure zlata 22K u veštačkom znoju u prisustvu D-glukoze

Autori

  • Nilavan Anitha St. Antony's College of Arts and Sciences for Women, Corrosion Research Centre, Department of Chemistry, Dindigul, India Autor
  • Venkatachalam Prathipa PSNA College of Engineering and Techcnolgy, Department of Chemistry, Dindigul, India Autor
  • Veerapandian Velkannan Thiagarajar College of Engineering, Department of Chemistry, Thiruparankundram, Madurai, Tamil Nadu, India Autor
  • Balu Nithiya Shree MV Muthiah Government Arts College for Women, Dindigul, India Autor
  • Gurmeet Singh Pondicherry University, Puducherry, India Autor
  • Hashem Abdulhameed Al Kuwait Institute for Scientific Research, Petroleum Research Centre, Kuwait City, Kuwait Autor
  • Susai Rajendran St. Antony's College of Arts and Sciences for Women, Corrosion Research Centre, Department of Chemistry, Dindigul, India + Pondicherry University, Centre for Nanoscience and Technology, Puducherry, India Autor
  • Časlav Lačnjevac University of Belgrade, Faculty of Agriculture, Serbia Autor

DOI:

https://doi.org/10.5937/zasmat2204418A

Ključne reči:

otpornost na koroziju, legura SS 18/8, legura zlata 22K, veštački znoj, D-glukoza, studija polarizacije, spektri impedanse naizmenične struje

Apstrakt

Otpornost na koroziju legure SS 18/8 i legure zlata 22K uronjene u veštački znoj u odsustvu i prisustvu 100ppm D-glukoze je ispitana proučavanjem polarizacije i spektrom impedanse naizmenične struje. Primećeno je da se smanjuje otpornost na koroziju legure SS 18/8 i legure zlata 22K uronjene u veštački znoj u prisustvu 100ppm D-glukoze. Otuda se zaključuje da ljudi koji nose ukrase od ove dve legure moraju da brinu o višku D-glukoze u svom znoju. Kada se legura SS 18/8 uroni u veštački znoj u prisustvu 100ppm D-glukoze, vrednost otpora linearne polarizacije opada sa 589308032Ohmcm2 na 87905Ohmcm2; struja korozije raste sa 8,923k10-11A/cm2 na 4,008k10-9A/cm2; vrednost otpora prenosa naelektrisanja se povećava sa 4884 Ohmcm2 na 3,168 k10-7 12210 Ohmcm2; vrednost impedanse se smanjuje sa 8,023 na 4,008; kapacitivnost dvostrukog sloja se povećava sa 8,9099k10-14 F/cm2 na 1,4868k10-9 F/cm2 , a fazni ugao se smanjuje sa 94° na 54°. Kada se legura zlata 22 K potopi u veštački znoj u prisustvu 100 ppm D-glukoze, vrednost otpora linearne polarizacije opada sa 4248438 Ohmcm2 na 236576 Ohmcm2; struja korozije raste sa 8,038 k10-9A/cm2 na 1,546 k10-7A/cm2; otpor prenosa naelektrisanja se smanjuje sa 23680 Ohmcm2 na 6336 Ohmcm2; vrednost impedanse se smanjuje sa 4,647 na 4,567; kapacitivnost dvoslojnog sloja se povećava sa 2,154 k10-10F/cm2 na 8,049k10-10 F/cm2, a fazni ugao se povećava sa 66° na 64°.

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2022-12-15

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