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    SURFACE TREATMENT METHOD OF ALUMINUM MATERIAL

    New search for: JINJU KIM
    New search for: KYUNGHWAN LEE
    New search for: CHEOL HEE CHO
    New search for: YOUNGDEOG KOH
    New search for: KWANGJOO KIM

    According to one embodiment of the present invention, a method for treating a surface made of an aluminum material comprises: a step of degreasing an aluminum material; a step of etching the degreased aluminum material; a first desmut treatment step of immersing the etched aluminum material in 25-35 wt% of nitric acid solution at 25-30 ℃ for 60 seconds or more; a second desmut treatment step of immersing the first desmut-treated aluminum material in 5-15 wt% of the nitric acid solution at 25-30 ℃ for 60 seconds; a step of anodizing the second desmut-treated aluminum material; a step of coloring the anodized aluminum material; and a step of sealing and treating the colored aluminum material. The present invention improves surface hardness and corrosion resistance of the aluminum material.

    본 발명의 일 실시예에 따른 알루미늄 소재의 표면처리 방법은, 알루미늄 소재를 탈지하는 단계; 상기 탈지한 알루미늄 소재를 에칭하는 단계; 상기 에칭한 알루미늄 소재를 25 내지 30℃의 25 내지 35wt% 질산 용액에서 60초 이상 침적하는 제1 디스머트 처리 단계; 상기 제1 디스머트 처리한 알루미늄 소재를 25 내지 30℃의 5 내지 15wt% 질산 용액에서 30초 내지 60초동안 침적하는 제2 디스머트 처리 단계; 상기 제2 디스머트 처리한 알루미늄 소재를 양극 산화하는 단계; 상기 양극 산화한 알루미늄 소재를 착색하는 단계; 및 상기 착색한 알루미늄 소재를 실링 처리하는 단계를 포함한다.

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    SURFACE TREATMENT METHOD OF ALUMINUM MATERIAL

    New search for: JINJU KIM
    New search for: KYUNGHWAN LEE
    New search for: CHEOL HEE CHO
    New search for: YOUNGDEOG KOH
    New search for: KWANGJOO KIM

    According to one embodiment of the present invention, a method for treating a surface made of an aluminum material comprises: a step of degreasing an aluminum material; a step of etching the degreased aluminum material; a first desmut treatment step of immersing the etched aluminum material in 25-35 wt% of nitric acid solution at 25-30 ℃ for 60 seconds or more; a second desmut treatment step of immersing the first desmut-treated aluminum material in 5-15 wt% of the nitric acid solution at 25-30 ℃ for 60 seconds; a step of anodizing the second desmut-treated aluminum material; a step of coloring the anodized aluminum material; and a step of sealing and treating the colored aluminum material. The present invention improves surface hardness and corrosion resistance of the aluminum material.

    본 발명의 일 실시예에 따른 알루미늄 소재의 표면처리 방법은, 알루미늄 소재를 탈지하는 단계; 상기 탈지한 알루미늄 소재를 에칭하는 단계; 상기 에칭한 알루미늄 소재를 25 내지 30℃의 25 내지 35wt% 질산 용액에서 60초 이상 침적하는 제1 디스머트 처리 단계; 상기 제1 디스머트 처리한 알루미늄 소재를 25 내지 30℃의 5 내지 15wt% 질산 용액에서 30초 내지 60초동안 침적하는 제2 디스머트 처리 단계; 상기 제2 디스머트 처리한 알루미늄 소재를 양극 산화하는 단계; 상기 양극 산화한 알루미늄 소재를 착색하는 단계; 및 상기 착색한 알루미늄 소재를 실링 처리하는 단계를 포함한다.

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    SURFACE TREATMENT METHOD OF ALUMINUM MATERIAL

    New search for: JINJU KIM
    New search for: KYUNGHWAN LEE
    New search for: CHEOL HEE CHO
    New search for: YOUNGDEOG KOH
    New search for: KWANGJOO KIM

    According to one embodiment of the present invention, a method for treating a surface made of an aluminum material comprises: a step of degreasing an aluminum material; a step of etching the degreased aluminum material; a first desmut treatment step of immersing the etched aluminum material in 25-35 wt% of nitric acid solution at 25-30 ℃ for 60 seconds or more; a second desmut treatment step of immersing the first desmut-treated aluminum material in 5-15 wt% of the nitric acid solution at 25-30 ℃ for 60 seconds; a step of anodizing the second desmut-treated aluminum material; a step of coloring the anodized aluminum material; and a step of sealing and treating the colored aluminum material. The present invention improves surface hardness and corrosion resistance of the aluminum material.

    본 발명의 일 실시예에 따른 알루미늄 소재의 표면처리 방법은, 알루미늄 소재를 탈지하는 단계; 상기 탈지한 알루미늄 소재를 에칭하는 단계; 상기 에칭한 알루미늄 소재를 25 내지 30℃의 25 내지 35wt% 질산 용액에서 60초 이상 침적하는 제1 디스머트 처리 단계; 상기 제1 디스머트 처리한 알루미늄 소재를 25 내지 30℃의 5 내지 15wt% 질산 용액에서 30초 내지 60초동안 침적하는 제2 디스머트 처리 단계; 상기 제2 디스머트 처리한 알루미늄 소재를 양극 산화하는 단계; 상기 양극 산화한 알루미늄 소재를 착색하는 단계; 및 상기 착색한 알루미늄 소재를 실링 처리하는 단계를 포함한다.

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    Title:

    SURFACE TREATMENT METHOD OF ALUMINUM MATERIAL

    Additional title:

    알루미늄 소재의 표면처리 방법

    Contributors:

    JINJU KIM (author) / KYUNGHWAN LEE (author) / CHEOL HEE CHO (author) / YOUNGDEOG KOH (author) / KWANGJOO KIM (author)

    Publication date:

    2022-12-12

    Type of media:

    Patent

    Type of material:

    Electronic Resource

    Language:

    Korean

    Classification:

    IPC:  C25D Verfahren für die elektrolytische oder elektrophoretische Herstellung von Überzügen , PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS / E03C DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER , Hausinstallationen für Frisch- oder Abwasser

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