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Meeting Materials Science & Technology 2020
Symposium Substrate Protection for Corrosion Prevention
Presentation Title The Effect of Mg added Al-Si Coating on the Corrosion of Hot-stamped Boron Steels
Author(s) Changkyu Kim, Seongkoo Cho, Wonseog Yang, Homero Castaneda
On-Site Speaker (Planned) Changkyu Kim
Abstract Scope The demands for light-weight vehicles to be equipped with Ultra-High-Strength-Steel (UHSS) has been globally increased in past decades by enhanced safety and environmental regulations in the automotive industry and the field of hot-stamped steel (22MnB5) has received much attention for its various advantages. In this work, the introduction of 2A group component into AlSi coating system has been characterized to improve corrosion resistance where the conventional AlSi system could not address well. Specifically, 0.1/0.5% of Mg was added into the AlSi coating during the hot dip-coating prior to the hot stamping. To characterize the coating before and after the hot stamping process that performed at 930C for 5 minutes, SEM,EDS,XRD, and XPS were utilized to see morphology and chemical compound changes before/after the hot stamping and corrosion testing. It is anticipated such improvement of the coating with 2A group element can contribute pioneering new generation coating for automotive industry.
Proceedings Inclusion? Planned: At-meeting proceedings


Advanced Composite Coating for Carbon Steel Corrosion Prevention
Characterizations of Corrosion Tested CFRC-AZ31B Joint by Friction Self-pierce Riveting Process
Corrosion Resistant Coatings on 6061 Aluminum
Effect of Surface Coating and PTFE Tape Insulation on Galvanic Corrosion of AZ31B Bolt-joined with CFRP
Enhancing Corrosion Resistance of Steel Substrates with Reduced Graphene Oxide Reinforced Polymer Composite Coatings
The Effect of Mg added Al-Si Coating on the Corrosion of Hot-stamped Boron Steels

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