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Meeting Materials Science & Technology 2019
Symposium Advances in Zinc-coated Sheet Steel Processing and Properties
Presentation Title P3-89: Study on the Environment-friendly Coating Technology for Hot-dip Galvanized Steel Sheet with High Humidity Resistant
Author(s) Xueqiang Dong, Yilin Zhou, Yu Song, Taixiong Guo
On-Site Speaker (Planned) Xueqiang Dong
Abstract Scope In order to prevent whitening and dropping powder of hot-dip galvanized passivation steel sheet in high humidity environment such as alternating humidity environment and the high temperature and humidity environment, the corrosion resistance, micro-morphology and main components of the whitening sample were studied. It was analyzed that the whitening was caused by the precipitation of inorganic substances in the coating. The preventive measures were determined as follows: synergistic effect of water-borne fluorine resin with colloidal SiO2 can elevate sealing effect of surface coating, then forms the surface coating technology for hot-dip galvanized steel sheet. Through performance research and product application, the results show that the environment-friendly coating has no quality problems in alternating humidity environment or the high temperature and humidity environment, so it has good high humidity resistance. The coating also has good corrosion resistance, fingerprint resistance and water resistance, which can meet the requirements of household appliances users.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Application of Machine Learning to the Development of New Zn-based Coatings with Low Melting Temperature for Automotive Steels
Development of a New Grade of Galvanized Direct Hot Press Hardenable Steel
Effect of Liquid Metal Embrittlement on Mechanical Behavior of Advanced High Strength Steel Spot Welds at Ambient and Low Temperatures
Influence of Treatment Regimes in the Conditions of SHS on the Development of Steel
P3-85: The Effect of Zn-Mg Interlayer on the Microstructure and Corrosion Resistance of PVD-processed Coatings
P3-86: Effect of the Microstructure Development on Cracking Phenomena in Hot-Dip Zn-Al-Mg Alloy Coatings on IF Steel
P3-87: Obtaining Zinc Coatings on a Sheet Steel in SHS Conditions
P3-88: Control of Zinc Coatings Obtained under SHS Conditions
P3-89: Study on the Environment-friendly Coating Technology for Hot-dip Galvanized Steel Sheet with High Humidity Resistant
The Effect of Coating Process on Liquid Zn-assisted Embrittlement of TRIP Steel
The Influence of Electrode Geometry on the Liquid Metal Embrittlement Cracking in Resistance Spot Welding of Advanced High Strength Steel

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