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机译:Effect of the initial-flaw on crack-propagation in two-step cutting of monocrystalline sapphire
Korea Aerosp Univ, Sch Aerosp & Mech Engn, 76 Hanggongdaehak Ro, Goyang Si 10540, Gyeonggi Do, South Korea;
Univ Wisconsin, Dept Mech Engn, Room 1039,1513 Univ Ave, Madison, WI 53706 USA;
Brittleness; Cracks; Diamond tools; Sapphire; Stresses; Ultra-precision machining;