...Jiaqing Wu; Weilong Cong; Robert E. Williams; Z. J. Pei Rotary ultrasonic machining (RUM) is a hybrid machining approach that combines two material removal mechanisms, namely, diamond grinding and ultrasonic machining. This paper presents the results of dynamic process modeling for RUM of alumina...

...W. L. Cong; Z. J. Pei; N. Mohanty; E. Van Vleet; C. Treadwell Rotary ultrasonic machining (RUM) has been used to machine both brittle and ductile materials as well as composite materials. There are numerous reported studies about the effects of various process variables on output responses. However...

... and brittle material, sintered tungsten carbide. The findings suggest that the same concept can be applied for the ductile cutting of other hard and brittle materials. brittleness cutting tools ductility finishing machining sintering tungsten compounds ultrasonic machining vibrations...

... orifices (mechanical) piezoelectric transducers surface tension ultrasonic machining viscosity 20 04 2009 06 04 2010 19 05 2010 19 05 2010 2010 American Society of Mechanical Engineers ...

...Na Qin; Z. J. Pei; C. Treadwell; D. M. Guo Ultrasonic-vibration-assisted grinding (UVAG) or rotary ultrasonic machining has been investigated both experimentally and theoretically. Effects of input variables on output variables in UVAG of brittle materials and titanium (Ti) have been studied...

... in such a short time. 19 11 2008 05 05 2009 08 07 2009 corrosion resistance electron beam machining melting radiation effects solidification tool steel ultrasonic machining vibrations electron beams vibration natural frequency dynamics Energy beam processing has...

...Judong Shen; Z. J. Pei; E. S. Lee Rotary ultrasonic machining (RUM) is one of the cost-effective machining methods for machining difficult to process material. It is a hybrid machining process that combines the material removal mechanisms of diamond grinding with ultrasonic machining. However, due...

... crystal, and ceramics are being increasingly used in microelectromechanical system (MEMS) devices. Ultrasonic machining (USM) offers an attractive alternative to machine some of the hard and brittle materials. However, the tool wear in micro-ultrasonic machining adversely affects the machining accuracy...

...Yue Jiao; W. J. Liu; Z. J. Pei; X. J. Xin; C. Treadwell Rotary ultrasonic machining (RUM) is a relatively low cost and environmentally benign process for machining of advanced ceramics. Much effort has been made to theoretically and experimentally investigate material removal rate, surface...