Items where Author is Racasan, Radu

A

Alberts, Larry Russell, Martinez-Nogues, Vanesa, Cook, Richard, Maul, Christian, Bills, Paul J., Racasan, Radu, Stolz, Martin and Wood, Robert J. K. (2018) Comparison of Metal-on-Metal Hip Simulator Wear Measured by Gravimetric, CMM and Optical Profiling Methods. Surface Topography: Metrology and Properties, 6 (1). ISSN 2051-672X

Alberts, L. R., Martinez-Nogues, V., Cook, R. B., Maul, C., Bills, Paul J., Racasan, Radu, Stolz, M. and Wood, R. J. K. (2016) Comparison of Simulator Wear Measured by Gravimetric vs Optical Surface Methods for Two Million Cycles. In: Orthopaedic Research Society Annual Meeting, 5th - 8th March 2016, Orlando, Florida, USA. (Unpublished)

B

Bills, Paul J., Racasan, Radu, Bhattacharya, Saugatta, Blunt, Liam and Isaac, Graham (2017) Comparative study of material loss at the taper interface in retrieved metal-on-polyethylene and metal-on-metal femoral components from a single manufacturer. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 231 (8). pp. 683-690. ISSN 0954-4119

Bills, Paul J., Shah, Paras, Townsend, Andrew, Blunt, Liam and Racasan, Radu (2016) Characterization of complex additive manufactured structures for the medical device industry using computed tomography. In: Dimensional X-Ray Computed Tomography Conference, 10th May 2016, National Physical Laboratory, London, UK. (Unpublished)

Bills, Paul J., Racasan, Radu, Tessier, P and Blunt, Liam (2015) Assessing the material loss of the modular taper interface in retrieved metal on metal hip replacements. Surface Topography: Metrology and Properties, 3 (2). 025002. ISSN 2051-672X

Bills, Paul J., Racasan, Radu, Tessier, P and Blunt, Liam (2014) Methods to assess material loss of the modular taper interface in retrieved hip replacements. In: Structures Surfaces in Engineering, Metrology and Healthcare, 30th September 2014, NPL, Teddington, London, UK. (Unpublished)

Bills, Paul J., Blunt, Liam, Racasan, Radu, Skinner, J. and Hart, A. J. (2013) Accurate determination of material loss at the taper interface of retrieved metal-on-metal hip replacements. In: 19th International Conference on Wear of Materials, 14-18th April 2013, Portland, Oregon USA. (Submitted)

Bills, Paul J., Racasan, Radu, Tessier, P and Blunt, Liam (2013) Assessing the wear of the modular taper interface in retrieved metal-on-metal hip replacements. In: 14th International Conference on Metrology and Properties of Engineering Surfaces (Met & Props 2013), June 17-21, 2013, Taipei, Taiwan. (Unpublished)

Bills, Paul J., Racasan, Radu, Hart, A.J., Skinner, J., Jiang, Xiang and Blunt, Liam (2012) Using metrology to bridge the gap in understanding between engineering and biological failure: the case of metal-on-metal hip replacements. In: 1st Annual EPSRC Manufacturing the Future Conference, 19th-20th September 2012, Loughborough, UK.

Bills, Paul J., Racasan, Radu, Hart, A. J., Skinner, J. and Blunt, Liam (2012) Accurate determination of clinical wear in retrieved metal-on-metal hip replacement joints. In: Euro-Mediterranean Conference on Bioengineering and Biomaterials, 4th-6th July 2012, Fes, Morocco. (Unpublished)

Blunt, Liam, Bills, Paul J. and Racasan, Radu (2012) Measurement of Tapers. In: Metal-on-Metal Hip Replacements: Re-solving The Uncertainties, 28th May 2012, Royal College of Surgeons of England, London.

Bills, Paul J., Racasan, Radu, Skinner, J., Hart, A.J. and Blunt, Liam (2012) Effect of Uncertainty on Wear Measurement of Metal-on-metal Total Hip Replacement Components. In: ASTM Symposium on Metal-on-Metal Total hip Replacement Devices, 8th May 2012, Phoenix, AZ, USA. (Unpublished)

Bills, Paul J., Racasan, Radu, Underwood, R.J., Cann, P., Skinner, J., Hart, A.J., Jiang, Xiang and Blunt, Liam (2012) Volumetric wear assessment of retrieved metal-on-metal hip prostheses and the impact of measurement uncertainty. Wear, 274. pp. 212-219. ISSN 0043-1648

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Cerquiglini, Arianna, Henckel, Johann, Hothi, Harry, Rotigliano, Niccolo, Holland, Matthew, Bills, Paul J., Racasan, Radu, Skinner, John, Hirschmann, A and Hart, A. J. (2017) Understanding Why Knee Implants Fail. In: American Academy of Orthopaedic Surgeons Annual Meeting, March 14-18 2017, San Diego, CA, USA. (Unpublished)

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Di Laura, Anna, Whittaker, Robert, Hothi, Harry, Meswania, Jay, Henckel, Johann, de Villiers, Danielle, Kwon, Young-Min, Racasan, Radu, Bills, Paul J., Blunn, Gordon, Skinner, John and Hart, A. J. (2016) Understanding Why Dual-Taper Hips Fail. In: American Academy of Orthopaedic Surgeons Annual Meeting, 1-5 March 2016, Orlando, USA.

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Fleming, Leigh, Racasan, Radu, Bills, Paul J., Skinner, John, Hart, Alister J and Blunt, Liam (2013) Characterisation of wear morphology at the head-cup bearing interface in retrieved metal-on-metal hip replacements. In: International Society for Technology in Arthroplasty 26th Annual Congress, 16-19 October 2013, Palm Beach, Florida, USA. (Unpublished)

H

Hothi, Harry, Whittaker, Robert, Meswania, Jay, Bills, Paul J., Blunt, Liam, Racasan, Radu, Blunn, Gordon, Skinner, John and Hart, A. J. (2015) Material Loss at the Head Taper Junction of the Metal-on-Metal Pinnacle Total Hip Replacement. In: Orthopaedic Research Society Annual Meeting, March 28-31 2015, Las Vegas, NV, USA. (Submitted)

Hothi, Harry, Bills, Paul J., Racasan, Radu, Blunn, Gordon, Skinner, John and Hart, Alister J (2014) Bearing Surface Changes Of Retrieved MOM Hips Predict Factors Associated With Failure. In: 15th European Federation of National Associations of Orthopaedics and Traumatology (EFORT) Congress, 4-6 June 2014, London, UK. (Submitted)

Hothi, H, Matthies, Ashley K, Berber, R, Whittaker, R, Bills, Paul J., Racasan, Radu, Blunt, Liam, Blunn, Gordon, Skinner, John and Hart, A. J. (2014) The reproducibility of a semi-quantitative scoring method for taper corrosion and fretting, and its usefulness for predicting the volume of material loss. In: Orthopaedic Research Society - 60th Annual Meeting, March 15-18 2014, New Orleans, LA, USA. (Unpublished)

Hothi, Harry, Cro, Suzie, Bills, Paul J., Blunt, Liam, Racasan, Radu, Blunn, Gordon, Skinner, John and Hart, A. J. (2013) Correlation Between the Detailed Visual Inspection of Retrieved Metal-on-Metal Hips and Their Volumetric Wear. Bone and joint journal: Orthopaedic Proceedings, 95-B (Sup 34). p. 78. ISSN 1358-992X

Hothi, H, Matthies, Ashley K, Berber, R, Whittaker, R, Bills, Paul J., Racasan, Radu, Blunn, Gordon, Skinner, John and Hart, A. J. (2013) The reliability of a semi-quantitative scoring method for taper corrosion and fretting, and its usefulness for predicting the volume of material loss. In: International Society for Technology in Arthroplasty 26th Annual Congress, 16-19 October 2013, Palm Beach, Florida, USA.

Hothi, H, Cro, Suzie, Bills, Paul J., Blunt, Liam, Racasan, Radu, Blunn, Gordon, Skinner, J. and Hart, Alister J (2013) Correlation between the detailed visual inspection of retrieved metal-on-metal hips and their volumetric wear. In: International Society for Technology in Arthroplasty 26th Annual Congress, 16-19 October 2013, Palm Beach, Florida, USA. (Unpublished)

Hart, A. J., Matthies, A, Bills, Paul J., Racasan, Radu, Blunn, G, Blunt, Liam and Skinner, J. (2013) The taper junction contributes one third of the total volumetric material loss in large diameter metal-on-metal hip arthroplasties. In: American Academy of Orthopaedic Surgeons Annual Meeting, March 19-23 2013, Chicago, IL, USA. (Unpublished)

Hart, A. J., Matthies, Ashley K, Racasan, Radu, Bills, Paul J., Panagiotidou, A, Blunt, Liam, Blunn, Gordon and Skinner, John (2013) Taper wear contributes only a third of the total volumetric material loss in large head metal on metal hip replacement. Bone and joint journal: Orthopaedic Proceedings, 95-B (Sup 13). p. 14. ISSN 1358-992X

Hart, A. J., Matthies, A.K., Racasan, Radu, Bills, Paul J., Panagiotidou, A., Blunt, Liam, Blunn, G. and Skinner, J. (2012) Taper wear contributes only a third of the total volumetirc material loss in large head metal on metal hip replacement. In: British Orthopaedic Research Society Annual Meeting, September 24th-25th 2012, London, UK. (Unpublished)

I

Ibrahim, S. M., Bills, Paul J., Allport, John and Racasan, Radu (2017) The Impediments to Nigeria Understanding Oil Production Volumes, Losses and Potential Solutions. International Journal of African and Asian Studies, 36. pp. 36-44. ISSN 2409-6938

K

Kapadia, Darshil, Racasan, Radu, Pagani, Luca, Al-Hajjar, Mazen and Bills, Paul J. (2017) Method for volumetric assessment of edge-wear in ceramic-on-ceramic acetabular liners. Wear, 376-77 (Part A). pp. 236-242. ISSN 0043-1648

Kapadia, Darshil, Racasan, Radu, Al-Hajjar, Mazen and Bills, Paul J. (2016) Characterizing edge-wear in ceramic-on-ceramic acetabular cups. In: International Society for Technology in Arthroplasty (ISTA) 29th Annual Congress, October 5-8 2016, Boston, MA, USA. (Submitted)

L

Li, Tukun, Racasan, Radu and Bills, Paul J. (2016) The evolution of Geometrical Product Specification and Verification in the field of surface metrology and the challenges of its vocational training. In: 12th International Scientific Conference on Coordinate Measuring Technique, 18th - 20th April 2016, Bielsko-BIala, Poland. (Unpublished)

M

Matthies, Ashley K, Bills, Paul J., Racasan, Radu, Blunt, Liam, Blunn, Gordon, Skinner, John and Hart, A. J. (2014) Analysis of the taper supports retention of a well-fixed stem in revision surgery of metal-on-metal hip replacements. In: American Academy of Orthopaedic Surgeons Annual Meeting, March 11-15 2014, New Orleans, LA, USA. (Unpublished)

Matthies, Ashley K, Cro, Suzie, Bills, Paul J., Racasan, Radu, Blunt, Liam, Blunn, Gordon, Henckel, Johann, Skinner, John and Hart, A. J. (2014) Which factors determine the volume of material lost from the taper junction of metal-on-metal hip replacements? In: American Academy of Orthopaedic Surgeons Annual Meeting, March 11-15 2014, New Orleans, LA, USA. (Unpublished)

Matthies, Ashley K, Racasan, Radu, Bills, Paul J., Blunt, Liam, Cro, Suzie, Panagiotidou, Anna, Blunn, Gordon, Skinner, John and Hart, Alister J (2013) Material Loss at the Taper Junction of Retrieved Large Head Metal-on-Metal Total Hip Replacements. Journal of Orthopaedic Research, 31 (11). pp. 1677-1685. ISSN 0736-0266

Matthies, Ashley K, Racasan, Radu, Bills, Paul J., Panagiotidou, A, Skinner, John, Blunn, Gordon and Hart, A. J. (2013) Corrosion is the main mechanism of material loss at the taper junction of large head metal on metal hip replacements. Bone and joint journal: Orthopaedic Proceedings, 95-B (Sup 13). p. 13. ISSN 1358-992X

Matthies, A.K., Racasan, Radu, Bills, Paul J., Panagiotidou, A, Blunt, Liam, Skinner, J., Blunn, G and Hart, A. J. (2012) Corrosion is the main mechanism of material loss at the taper junction of large head metal on metal hip replacements. In: British Orthopaedic Society Annual Meeting, September 24th-25th 2012, London, UK. (Unpublished)

P

Panagiotopoulos, Andreas, Hothi, Harry, Whittaker, Robert, Matthies, Ashley K, Bills, Paul J., Racasan, Radu, Blunt, Liam, Skinner, John and Hart, A. J. (2015) Charactering taper junction wear helps understand the mechanism of failure of metal on metal hip replacements. In: American Academy of Orthopaedic Surgeons Annual Meeting, March 24-28 2015, Las Vegas, NV, USA. (Submitted)

Panagiotopoulos, Andreas, Hothi, Harry, Whittaker, Robert, Meswania, Jay, Bills, Paul J., Racasan, Radu, Blunn, Gordon, Skinner, John and Hart, A. J. (2015) Identifying The Pattern of Material Loss at the Head-Neck Junction Wear Helps Determine the Mechanism of Failure of Metal on Metal Total Hip Replacements. In: Orthopaedic Research Society Annual Meeting, March 28-31 2015, Las Vegas, NV, USA. (Submitted)

R

Racasan, Radu, Bills, Paul J., Blunt, Liam, Hart, Alister and Skinner, John (2015) Method for Characterization of Material Loss from Modular Head-Stem Taper Surfaces of Hip Replacement Devices. In: Modularity and Tapers in Total Joint Replacement Devices. Selected technical papers (STP159). ASTM International, West Conshohocken, PA, pp. 132-146. ISBN 978-0-8031-7627-0

Racasan, Radu, Fleming, Leigh, Bills, Paul J., Skinner, John, Hart, A. J. and Blunt, Liam (2013) Characterisation of Wear Morphology at the Head Cup Bearing Interface in Retrieved Metal-on-Metal Hip Replacements. Bone and joint journal: Orthopaedic Proceedings, 95-B (Sup 34). p. 488. ISSN 1358-992X

Racasan, Radu, Bills, Paul J., Blunt, Liam and Xiao, Shaojun (2013) Measurement of material loss. In: Are Modular Hip Junctions An Issue?, 29th April 2013, The Royal Society of Medicine, London. (Submitted)

S

Shah, Paras, Racasan, Radu and Bills, Paul J. (2016) Comparison of Different Additive Manufacturing Methods Using Computed Tomography. Case Studies in Nondestructive Testing and Evaluation. ISSN 2214-6571

Shah, Paras, Racasan, Radu and Bills, Paul J. (2016) Comparison of Different Additive Manufacturing Methods Using Optimized Computed Tomography. In: Dimensional X-Ray Computed Tomography Conference, 10th May 2016, National Physical Laboratory, London, UK. (Unpublished)

Shah, Paras, Racasan, Radu and Bills, Paul J. (2016) Challenges in measurement and specification of complex additive manufactured structures for the medical device industry. In: ASTM Workshop on Additive Manufacturing for Medical Applications, 3rd May 2016, San Antonio, TX, USA. (Unpublished)

Shah, Paras, Racasan, Radu and Bills, Paul J. (2016) Comparison of Different Additive Manufacturing Methods Using Optimized Computed Tomography. In: 6th Conference on Industrial Computed Tomography, 9th -12th February 2016, Wels, Austria.

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Tawfik, Ahmed, Racasan, Radu, Blunt, Liam and Bills, Paul J. (2017) Characterization of defects/porosity in additive manufactured components using computer tomography. In: Joint Special Interest Group meeting between euspen and ASPE Dimensional Accuracy and Surface Finish in Additive Manufacturing,, 10-11th October 2017, Leurven, Belgium. (Unpublished)

Tawfik, Ahmed, Racasan, Radu, Bills, Paul J. and Blunt, Liam (2017) Detection of unmelted powder in additive manufactured components using computer tomography. In: Dimensional X-ray Computed Tomography Conference, 13 July 2017, University of Warwick, UK. (Unpublished)

Townsend, Andrew, Racasan, Radu, Bills, Paul J., Thompson, Adam, Senin, Nicola, Leach, Richard K. and Blunt, Liam (2017) Results from an interlaboratory comparison of areal surface texture parameter extraction from X-ray computed tomography of additively manufactured parts. In: euspen's 17th International Conference, 29 May - 2 June 2017, Hannover, Germany.

Townsend, Andrew, Racasan, Radu, Bills, Paul J. and Blunt, Liam (2017) Development of an interlaboratory comparison investigating the generation or areal surface texture per ISO 25178 from XCT. In: 7th Conference on Industrial Computed Tomography (iCT 2017), February 7 - 9, 2017, Leuven, Belgium.

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Walton, Karl, Fleming, Leigh, Goodhand, Martin, Racasan, Radu and Zeng, Wenhan (2016) High fidelity replication of surface texture and geometric form of a high aspect ratio aerodynamic test component. Surface Topography: Metrology and Properties, 4 (2). 025003. ISSN 2051-672X

Whittaker, Robert, Hothi, Harry, Meswania, Jay, Bills, Paul J., Racasan, Radu, Eskelinen, Antti, Blunn, Gordon, Skinner, John and Hart, A. J. (2015) 36mm Metal-on-Metal Hips have Similar Taper Material Loss Rates as Larger Diameter Hips from the Same Manufacturer. In: American Academy of Orthopaedic Surgeons Annual Meeting, March 24-28 2015, Las Vegas, NV, USA. (Submitted)

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Zeng, Shengye, Blunt, Liam and Racasan, Radu (2013) An investigation of the viability of bonnet polishing as a possible method to manufacture hip prostheses with multi-radius femoral heads. The International Journal of Advanced Manufacturing Technology. ISSN 0268-3768