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  3D Vibration Assisted Micro Machining of Sculptured Surfaces on Hard-to-machine Materials


   School of Engineering

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  Dr Dehong Huo  Applications accepted all year round  Self-Funded PhD Students Only

About the Project

High-accuracy micro components or microstructures are increasingly in demand for various industries, such as biomedical engineering, MEMS, electro-optics, aerospace and communications. In addition to tight tolerances and high-quality surface finishes, many applications require the use of hard and brittle materials such as optical glass and technical ceramics, owing to their superior physical, mechanical, optical, or electronic properties. Two major issues with machining these materials are poor machining quality and excessive tool wear.  

Ultrasonic vibration assisted machining (UVAM) has shown promise in reducing tool wear and cutting forces, also an improvement of machined surface quality. This project builds on existing UVAM research at Newcastle University and aims to investigate the fundamental machining science and application perspectives related to vibration assisted micro milling of hard and brittle materials. The research is both experimental and modelling based, and will focus on the kinematic and dynamic modelling of the vibration assisted micro milling process. The numerical model developed will be validated through well-designed experiments using the UVAM devices and machine tools available in our lab. The PhD student will develop a range of practical, analytical, and modelling skills on micro-machining experiment design, numerical modelling, and surface characterisation. 

Newcastle University is committed to being a fully inclusive Global University which actively recruits, supports and retains colleagues from all sectors of society. We value diversity as well as celebrate, support and thrive on the contributions of all our employees and the communities they represent. We are proud to be an equal opportunities employer and encourage applications from everybody, regardless of race, sex, ethnicity, religion, nationality, sexual orientation, age, disability, gender identity, marital status/civil partnership, pregnancy and maternity, as well as being open to flexible working practices. 

Application enquiries: 

Dr Dehong Huo, [Email Address Removed], https://www.ncl.ac.uk/engineering/staff/profile/dehonghuo.html  

Engineering (12)
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 About the Project