Autumn edge Soda-lime machining 2025 Glassy Carbon 춘계학술대회 정밀공학회 JKSPE Vitreous Carbon 실리콘 2024 Characteristic KSPE 유리질 탄소 Ceramic 유리질탄소 ZrO2 PRESM2025 Microgrinding Silicon Wafer Silicon IJAMT GC 실리콘 웨이퍼 Materials & Design Conference VC Soda Lime 춘계 PRESM 포스터 elsevier AMT 2018 Micro grinding micro EDM international journal of advanced manufacturing technology cemented carbide zirconia 학술대회 DISCRIM WC 한국정밀공학회