Numerical control system for the ultrasonic vibration assisted electrical discharge machine tool. - J. H. Zhang; Y. Qin; Q. H. Zhang; Y. J. Hu; S. F. Ren (Int. J. Manuf. Technol. Manag., 2005)

A theoretical model of surface roughness in ultrasonic vibration assisted electrical discharge machining in gas. - Q. H. Zhang; J. H. Zhang; S. F. Ren; Z. W. Niu; X. Ai (Int. J. Manuf. Technol. Manag., 2005)

Study on normal grinding force in ultrasonic aided grinding of sintered Nd-Fe-B permanent magnet. - J. H. Zhang; S. F. Ren; Y. J. Hu; L. Li; M. G. Xu (Int. J. Manuf. Technol. Manag., 2008)