ICMSET 2026 Invited Speakers

Invited Speaker #1

Prof. Hsin-Chih Lin, National Taiwan University, Taiwan 
Introduction Professor Hsin- Chih Lin received his Ph.D. degree from National Taiwan University in 1992. From 1995 to 1996, he worked as a visiting scholar in the Department of Materials Science and Engineering at the University of Illinois Urbana-Champaign, USA. He served as the Department Chair of Materials Science and Engineering at Feng Chia University and National Taiwan University from 2000 to 2004 and 2016 to 2019, respectively. He was a full professor at Feng Chia University from August 1997 to July 2004, and has been a full professor at National Taiwan University since August 2004. His research interests mainly include microstructure observation, mechanical properties, fracture analysis, surface protection, thermo-mechanical treatments, and manufacturing processes for advanced high-strength steels, functional alloys, and light metals such as aluminum, magnesium, and titanium. He has authored more than 400 technical publications in peer-reviewed journals and conference proceedings.
Speech Title Duplex Oxide/Nitride Coatings on Biodegradable ZE5X Magnesium Alloy via ALD and Magnetron Sputtering for Orthopedic Applications
Abstract While biodegradable magnesium (Mg) alloys offer excellent biocompatibility and bone-matching mechanical properties that prevent stress shielding, their rapid clinical degradation—causing structural failure, pH elevation, and hydrogen accumulation—limits widespread use. This study addresses these challenges using a novel ZE5X Mg alloy, further enhanced by a protective duplex coating to prevent delamination during surgical insertion. Specifically, a corrosion-resistant Al2O3 film (30 nm) was deposited via atomic layer deposition (ALD), followed by a wear-resistant AlCr/AlCrN composite film (2.3 um) via magnetron sputtering. Electrochemical and tribological tests revealed that individual ALD coatings reduced corrosion current density to 2.3 × 10-8 A/cm2, while individual sputtering coatings decreased the wear rate to 1.4 ×10-5 mm3m-1N-1. Benefiting from synergistic effects, the combined duplex coating achieved an optimal corrosion current density of 1.5 × 10-7 A/cm2 and a wear rate of 2.9 ×10-5 mm3m-1N-1. This dual-functional coating strategy demonstrates great potential for next-generation ZE5X Mg orthopedic implants.