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Meeting Materials Science & Technology 2019
Symposium Advances in Zinc-coated Sheet Steel Processing and Properties
Presentation Title P3-86: Effect of the Microstructure Development on Cracking Phenomena in Hot-Dip Zn-Al-Mg Alloy Coatings on IF Steel
Author(s) In Gyeong Kim, Yong Bum Park
On-Site Speaker (Planned) In Gyeong Kim
Abstract Scope The present study has been aimed at investigating cracking phenomena in hot-dip Zn-Al-Mg alloy coatings applied to automotive steel sheets. The electron back scattering diffraction (EBSD) technique was employed to examine the microstructures and textures of the different phases in the coatings, and to measure the crystallographic orientations of the cracks generated in the phases after bending deformation of the coated steel sheets. It was clarified that the occurrence of cracking in the Zn-Al-Mg alloy coatings absolutely depends on the orientation of the primary Zn and eutectic Zn alloy phases. This cracking mechanism has been discussed in terms of possible effects of the microstructure development in the phases in relation to their material parameters.
Proceedings Inclusion? Definite: At-meeting proceedings


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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