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APPROACH Static and cyclic mechanical testing measurements of smooth and notched specimens; constitutive modeling Microstructural and ultrastructural damage identification measurements in bone using acoustic emission methodologies - PowerPoint PPT Presentation
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CASE WESTERN RESERVE UNIVERSITYCASE SCHOOL OF ENGINEERING
CLARE M. RIMNAC EMAE
ASSOCIATE PROFESSOR OF MECHANICAL & AEROSPACE ENGINEERING and Director, Musculosketeal Biomechanics and Orthopaedic Engineering Laboratories620 GLENNAN [email protected]; 216-368-6442; 216-368-3007 (fax)
RESEARCH AREAS AND APPLICATIONS•Mechanical performance of musculoskeletal tissues
•Mechanical performance of orthopaedic implant materials
•Modeling of musculoskeletal tissues and implant materials
•Implant retrieval/failure analysis of total joint replacements
APPROACH•Static and cyclic mechanical testing measurements of smooth and notched specimens; constitutive modeling
•Microstructural and ultrastructural damage identification measurements in bone using acoustic emission methodologies
•Microstructural and ultrastructural characterizaton of materials using light, scanning and transmission electron microscopy; fourier transform infrared microspectroscopy
COLLABORATIONS•Departments of Orthopaedics and Neurosurgery, CWRU Medical School
•Rush Presbyterian Medical School, Chicago, IL
•Exponent Failure Analysis; Drexel University, Philadelphia, PA
•The Hospital for Special Surgery; Cornell University Medical College, New York, NY
RESEARCH SPONSORS•NIH, OREF, Orthopaedic Industries
RECENT ACCOMPLISHMENTS•Identified material and sterilization factors affecting the static and cyclic fracture resistance and wear damage resistance of UHMW polyethylene joint replacement components through laboratory testing and implant retrieval/failure analysis
Retrieved total knee
replacement
•Characterized the kinetics of fatigue crack growth of (short) microcracks in human cortical bone. Microcracks decelerate and arrest at microstructural barriers.
Fatigue crack growth of Microcracks in bone microcracks in bone
Taylor Prediction
CASE WESTERN RESERVE UNIVERSITYCASE SCHOOL OF ENGINEERING
KEY WORDS
cmr10
Rimnac
mechanical engineering
biomechanics
biomaterials
orthopaedic implants
bone tissue
ultra high molecular weight polyethylene
fatigue and fracture
ultrastructural and microstructural damage
retrieval/failure analysis