Yang Cao

• Nanjing University of Aeronautics and Astronautics

The intermittent cutting behavior, performing as periodic contact phase and separation phase between abrasive grit and workpiece, is an important characteristic in the ultrasonic vibration-assisted grinding (UVAG). This study investigated the effect of intermittent cutting behavior on the grinding force in UVAG. At first, a grinding force model was...

The intermittent cutting behavior, performing as periodic contact phase and separation phase between abrasive grit and workpiece, is an important characteristic in the ultrasonic vibration-assisted grinding (UVAG). This study investigated the effect of intermittent cutting behavior on the grinding force in UVAG. At first, a grinding force model was...

AISI 9310 steel has garnered increasing attention for its superior mechanical properties in the manufacturing of transmission gears for helicopters and accessory transmission systems in aero-engines. The ultrasonic vibration-assisted grinding (UVAG) technique is a new potential method to machine tooth surface given the periodically changing traject...

Ultrasonic vibration-assisted grinding (UVAG) is a highly effective technique for improving the grindability of difficult-to-cut materials, making it widely applicable in various industrial fields. However, the conventional optimization of grinding parameters necessitates extensive experimental analyses and is susceptible to converging towards a lo...

Ultrasonic vibration-assisted grinding (UVAG) is an advanced hybrid process for the precision machining of difficult-to-cut materials. The resonator is a critical part of the UVAG system. Its performance considerably influences the vibration amplitude and resonant frequency. In this work, a novel perforated ultrasonic vibration platform resonator w...

Ultrasonic vibration-assisted grinding (UVAG) is frequently prescribed as an effective technique to improve the grindability of difficult-to-cut materials, earning tremendous application opportunities in the industrial field. However, the traditional optimization of grinding parameters requires substantial experimental analyses and is prone to fall...

Ultrasonic vibration-assisted grinding (UVG) is a promising precision machining method for difficult-to-cut materials. This study investigated the intermittent cutting behavior in UVG of Inconel718 nickel-based superalloy and its effect on the grinding temperature, grinding force and workpiece surface quality. A novel material removal probability m...

The combination of ultrasonic vibration-assisted grinding (UVAG), the ultrasonic vibrating method, and the conventional grinding (CG) process is proposed to improve the grindability of hardened steel in the CG process. Comparative investigations on grinding force, temperature, and specific grinding energy for both grinding processes were conducted....

Composite manufacturing with multiple energy fields is an important source of processing technology innovation. In this work, comparative experiments on the conventional grinding and ultrasonic vibration–assisted grinding (UVAG) of hardened GCr15 steel were conducted with white alumina (WA) wheel. The grinding wheel wear patterns and chips were cha...

Ultrasonic vibration assisted grinding (UVAG) combined with the ultrasonic vibrating method and CG process was proposed, aiming at improving the grindability of hardened steel in conventional grinding (CG) process. Comparative investigations on grinding force, temperature, and specific grinding energy for both grinding processes were studied in det...

Composite manufacturing with multiple energy fields is an important source of processing technology innovation. In this work, comparative experiments on the conventional grinding (CG) and ultrasonic vibration-assisted grinding (UVAG) of hardened GCr15 steel were conducted with WA wheel. The grinding wheel wear patterns and chips were characterized....

Ultrasonic vibration has been widely utilized in the forming and processing of metallic materials due to its advantages of reducing forming force and improving deformation ability and surface quality. However, the effect of ultrasonic vibration on the deformation mechanism of metallic material is still unclear. Based on the method of segmented reso...

Tangential ultrasonic vibration-assisted grinding (TUAG) has a wide prospect in machining difficult-to-machine materials. However, the surface generation mechanism in TUAG is not fully recovered. This study proposes an analytical model of the surface topography produced by TUAG. Based on the model, the surface topography and roughness are predicted...

Ultrasonic vibration-assisted form grinding (UVAFG) with alumina wheels has become a potential technology to machine the areo-engine blade root. In this work, the characterizations of wear patterns of grinding wheel surface morphologies, such as clogging, grain micro-fracture and pull-out, were performed under conventional form grinding (CFG) and U...

Blade root with a special fir-tree shape is a critical connection part in an aero-engine. This part has high requirements on the surface finish and geometrical accuracy. At present, the tangential ultrasonic vibration-assisted profile grinding (UVAPG) is an effective method for machining the blade roots. During UVAPG, the wheel wear will degrade th...

Ultrasonic vibration-assisted grinding (UVAG) is an effective and promising method for machining of hard-to-cut materials. This article proposed an ultrasonic vibration plate device enabling the longitudinal full-wave and transverse half-wave (L2T1) vibration mode for UVAG. The characteristics of two-dimensional coupled vibration in different direc...

Compared with Conventional Grinding (CG), the Ultrasonic Vibration-Assisted Grinding (UVAG) is more competitive for the machining of difficult-to-cut materials. In this article, a novel ultrasonic vibration plate sonotrode that enables the special longitudinal full-wave and transverse half-wave vibration modes was proposed. The vibration characteri...