Ultrasonic vibration can improve the properties of hard-brittle material. In order to explore the influence of ultrasonic vibration on sawing specific energy of monocrystalline silicon,experimental on sawing monicrystalline silicon was conducted with and without ultrasonic vibration assisted conditions using thin diamond blade sawing. The result shows that ultrasonic vibration can decrease sawing specific energy. With the increasing of cutting thickness of single abrasive,the specific energy always fall dow...