Surface Treatment and Electrodeposition Coating Method for Large Area Magnesium Alloy

The present invention provides a surface treatment method and an electrodeposition coating method of a large area magnesium alloy, in which wear resistance and corrosion resistance are all excellent, and etching of a surface roughness is reduced in chemical treatment such that coating adhesiveness i...

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Bibliographische Detailangaben
Hauptverfasser:	NAM, SEOK HYUN, NA, IL CHAE, KIM, HONG GYEUN, LEE, JAE EUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	APPARATUS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The present invention provides a surface treatment method and an electrodeposition coating method of a large area magnesium alloy, in which wear resistance and corrosion resistance are all excellent, and etching of a surface roughness is reduced in chemical treatment such that coating adhesiveness is improved, environment pollution is reduced, and an operation environment is improved. The surface treatment method of a large area magnesium alloy comprises: a pretreatment step of a large area magnesium alloy including sanding, acid-degreasing, etching, and neutralization processes; and a chemical treatment step of immersing the magnesium alloy into a chemical treatment liquid for the large area magnesium alloy. 본 발명은 내마모성과 내식성이 모두 우수하고, 화성처리 시에 표면조도가 에칭되는 것을 줄여 도장 밀착성을 향상시키며, 환경오염을 줄이고 작업환경이 개선된 대면적 마그네슘 합금의 표면처리 및 전착도장 방법에 관한 것이다. 본 발명은 샌딩, 산탈지, 에칭 및 중화공정을 포함하는 대면적 마그네슘 합금의 전처리 단계; 및 대면적 마그네슘 합금용 화성처리액에 마그네슘 합금을 침지시켜 화성처리하는 단계를 포함하는 대면적 마그네슘 합금의 표면처리방법을 제공한다.