펄스 전류 하에서 AZ31 마그네슘 합금의 플라즈마전해산화 피막의 형성 거동
In this study, PEO (plasma electrolytic oxidation) film formation behavior of AZ31 Mg alloy under application of 300 Hz pulse current was studied by the analyses of V-t curve, arc generation behavior, PEO film thickness and morphology of PEO films with treatment time in 0.05 M NaOH + 0.05 M Na2SiO3...
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| Veröffentlicht in: | Biuletyn Uniejowski 2022, Vol.55 (5), p.292-298 |
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| container_title | Biuletyn Uniejowski |
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| creator | 문성모(Sungmo Moon) |
| description | In this study, PEO (plasma electrolytic oxidation) film formation behavior of AZ31 Mg alloy under application of 300 Hz pulse current was studied by the analyses of V-t curve, arc generation behavior, PEO film thickness and morphology of PEO films with treatment time in 0.05 M NaOH + 0.05 M Na2SiO3 + 0.1 M NaF solution. PEO films was observed to grow after 10 s of application of pulse current together with generation of micro-arcs. PEO film grew linearly with treatment time at a growth rate of about 5.58 ㎛/min at 200 mA/cm2 of pulse current but increasing rate of film formation voltage became lowered largely with increasing treatment time after passing about 250 V, suggesting that resistivity of PEO films during micro-arc generation decreases with increasing film formation voltage at more than 250 V. |
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PEO film grew linearly with treatment time at a growth rate of about 5.58 ㎛/min at 200 mA/cm2 of pulse current but increasing rate of film formation voltage became lowered largely with increasing treatment time after passing about 250 V, suggesting that resistivity of PEO films during micro-arc generation decreases with increasing film formation voltage at more than 250 V.</description><identifier>ISSN: 1225-8024</identifier><identifier>EISSN: 2299-8403</identifier><language>kor</language><publisher>한국표면공학회</publisher><ispartof>Biuletyn Uniejowski, 2022, Vol.55 (5), p.292-298</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,4024</link.rule.ids></links><search><creatorcontrib>문성모(Sungmo Moon)</creatorcontrib><title>펄스 전류 하에서 AZ31 마그네슘 합금의 플라즈마전해산화 피막의 형성 거동</title><title>Biuletyn Uniejowski</title><addtitle>Journal of the Korean institute of surface engineering</addtitle><description>In this study, PEO (plasma electrolytic oxidation) film formation behavior of AZ31 Mg alloy under application of 300 Hz pulse current was studied by the analyses of V-t curve, arc generation behavior, PEO film thickness and morphology of PEO films with treatment time in 0.05 M NaOH + 0.05 M Na2SiO3 + 0.1 M NaF solution. 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PEO films was observed to grow after 10 s of application of pulse current together with generation of micro-arcs. PEO film grew linearly with treatment time at a growth rate of about 5.58 ㎛/min at 200 mA/cm2 of pulse current but increasing rate of film formation voltage became lowered largely with increasing treatment time after passing about 250 V, suggesting that resistivity of PEO films during micro-arc generation decreases with increasing film formation voltage at more than 250 V.</abstract><pub>한국표면공학회</pub><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| title | 펄스 전류 하에서 AZ31 마그네슘 합금의 플라즈마전해산화 피막의 형성 거동 |
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