About SAWAI TAKESHI
About titanium base alloy
About Ti-6Al-4V alloy
About drilling (cutting)
About twist drill
About tool life
About chip (cutting)
About morphology (form)
About cutting force
About cutting edge
About fine patterning
About velocity
About micro drill
About chip morphology
About feed rate
About drilling
About Other cutting
About Mechanical properties
About マイクロドリル
About Ti-6Al-4V合金
About 微細穴
About 切削
About 挙動