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진동 하중을 이용한 마이크로 부품 및 표면 패턴 성형 기술
나영상(Y. S. Na),이종훈(J. H. Lee),이원식(W. S. Lee) 한국소성가공학회 2009 한국소성가공학회 학술대회 논문집 Vol.2009 No.5
Vibration micro-forming of pyramidal shape patterns was conducted for an Al superplastic alloy. Al 5083 and a Zr-based bulk metallic glass, Zr62Cu17Ni13AI8. A vibrational micro-forming. The micro-formed pattern height was increasing with increasing the frequency of the vibrational load. In particular, the vibrationally-microformed pattern height was similar or even higher than the statically-icroformed pattern height when the load frequency exceeded about 125 kHz. It was also observed that the crystal grains affect the surface quality of the microformed pattern and the distribution of the pattern height in the die cavity array.