Zinc-based metal plated steel sheet

• Main Authors: MAKIMIZU, YOICHI, FUJITA, SAKAE, TADA, MASAHIKO, HOSHINO, KATSUYA, OOTSUKA, SHINJI, FUJIMOTO, KYOKO, NAGOSHI, MASAYASU, TANIMOTO, WATARU, KAJIYAMA, HIROSHI, YOSHIMI, NAOTO, MASUOKA, HIROYUKI
• Format: Patent
• Language: Chinese; English
• Published: 11.04.2015
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; 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; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

A zinc-based metal plated steel sheet excellent in tribological properties during press forming is provided. An oxide layer containing crystalline 3Zn(OH) 2 ·ZnSO 4 ·xH 2 O is formed on a plated surface. The oxide layer has a thickness of 10 nm or more. The crystalline oxide layer is composed of 3Zn(OH) 2 ·ZnSO 4 ·3-5H 2 O.