Meet The Team
The development of novel wear resistant hardbanding material for drill pipes with low casing abrasion used in downhole drilling in oil and gas exploration.
Hardbanding is defined as selective application of strips or pads of wear resistant material to vulnerable areas of the drill string components, to prevent severe abrasion damage during extended drilling operations. The hardbanding materials are currently applied using welding/brazing techniques and are typically several millimeters thick. Originally hardbanding was applied to primarily protect the drill pipe and other tools from abrasive wear. Numerous changes have been applied to hardbanding and their application, however it has not been since the last decade that the new technology has beed introduced that allows hardbanding to protect the casing and the drill pipe at the same time.
Today there are several types of hardbanding materials in the market most of them which protect either the casing or the tool joint, with only a few which protect the drill string and the casing simultaneously. Hence the novel wear resistant hardbanding material for drill pipes with low casing abrasion is to be developed.
Dr Raman Maiti
Dr Raman Maiti is a research associate working with Prof Lewis and Dr Carre.
Raman studied for a Bachelors degree at the University of Mumbai, India, a Masters degree in Computational Biomechanics at Sheffield University (2006-7) before moving to Leeds University for his PhD and Post doctorate during 2008-14.
His current project is EPSRC funded to develop a high-speed multi-channel 3-dimensional OCT optical technique (in collaboration with Dr. Steve Matcher, Kroto) and implement the technique to study the mechanical properties of the skin relate to the skin biomechanics when interacting with medical and cosmetic products.
Dr Robin Mills
Encyclopaedic-measurement of oil films in automotive piston ring-liner contacts
Robin joined the group in 2006. He graduated from Sheffield with an MEng Mechanical Engineering and was awarded a highly prestigious endowed scholarship to do a PhD. Robin is working on the design and development of total replacement Temperomandibular Joints. The TMJ is the human jaw joint and Robin is developing a concept for cutomised replacements.
New measurement tools for auto engine lubricants
Dr. John Kavanagh
Development and tribological evaluation of duplex diffusion/coating treatments for titanium- and nickel- alloys
Dr Adam Beagles
EU FP7 SustRail project looking at sustainability of rail freight transport
He's been modelling the effect if rail-wheel contact loading in track component life, and how this could be improved through better management of the contact (e.g. lubrication and friction management at the rail-wheel intereface). He's also looking at aerodynamic performance of rail freight vehicles.
Dr Steve Lewis
Tribology of the Wheel/Rail Contact
Steve gained his PhD from Sheffield in 2011, having graduated from the University of Hertfordshire in 2007 with a BEng (Hons) in Mechanical Engineering. During his first degree he served a one year industrial placement with SKF Racing UK as a Gearbox Bearing Analyst, working with many racing teams including Ferrari. In his PhD he studied the effects of friction modifiers used in the rail industry. Steve currently works on projects focusing on management of friction and wear at the wheel/rail contact.
Skin tribology and interaction of skin with medical devices.
Dr. Alison Beck
Evaluation of novel diamond-like carbon coating systems for friction and wear control in extreme environments
Dr. Yin Nan Kok
Development of Al- based EBPVD coatings for replacement of electroplated cadmium and chromium
Dr. Heqing Li
PVD CrN- based coatings for bio-tribocorrosion resistance and antimicrobial properties
Dr. Martynas Audronis
Deposition and structur-property evaluation of advanced splutter-PVD nanocomposite coatings (EPSRC)
Dr. Saman Saedi
Development of novel hardbonding materials for down-hole wear/corrosion protection in oil and gas exploration
Dr. Akemi Nogiwa-Valdez
Retrieval analysis of Zirconia hip replacement implants
Dr. Peng Zeng
Surface micro-structural changes of hip protheses: ceramics and metals
Dr. Andrew Hunter
Roll gap sensors project. Development of sensors for lubrication and contact monitoring in hot and cold metal rolling.
Dr. Jonathan Stringer
Investigating wear mechanics of abradable linings on behalf of Rolls-Royce.
Dr.Juan Juan Zhu
Investigating the friction reducing behaviour of silver coatings in aero-engine bolted joints, with the aim of identifying appropriate alternative similarly perorming coatings. This work is also on behalf of Rolls-Royce.