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2022, vol. 63, br. 4, str. 418-429
Otpornost na koroziju legure SS 18/8 i legure zlata 22K u veštačkom znoju u prisustvu D-glukoze
aSt. Antony's College of Arts and Sciences for Women, Corrosion Research Centre, Department of Chemistry, Dindigul, India
bPSNA College of Engineering and Techcnolgy, Department of Chemistry, Dindigul, India
cThiagarajar College of Engineering, Department of Chemistry, Thiruparankundram, Madurai, Tamil Nadu, India
dMV Muthiah Government Arts College for Women, Dindigul, India
ePondicherry University, Puducherry, India
fKuwait Institute for Scientific Research, Petroleum Research Centre, Kuwait City, Kuwait
gSt. 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
hUniverzitet u Beogradu, Poljoprivredni fakultet, Srbija

e-adresasusairajendran@gmail.com
Ključne reči: otpornost na koroziju; legura SS 18/8; legura zlata 22K; veštački znoj; D-glukoza; studija polarizacije; spektri impedanse naizmenične struje
Sažetak
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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O članku

jezik rada: engleski
vrsta rada: naučni članak
DOI: 10.5937/zasmat2204418A
primljen: 03.05.2022.
prihvaćen: 26.05.2022.
objavljen u SCIndeksu: 24.12.2022.
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