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Deformation patterns of cracked articular cartilage under compression

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Presentation on theme: "Deformation patterns of cracked articular cartilage under compression"— Presentation transcript:

1 Deformation patterns of cracked articular cartilage under compression
Y. Al-Saffar, B. Murphy, W. Herzog  Osteoarthritis and Cartilage  Volume 22, Pages S373-S374 (April 2014) DOI: /j.joca Copyright © Terms and Conditions

2 Figure 1 Split line pattern on Rabbit femur.
Osteoarthritis and Cartilage  , S373-S374DOI: ( /j.joca ) Copyright © Terms and Conditions

3 Figure 2 Rabbit Femur mounted on sample holder in MTS machine. a, Blade is lowered to induce a full thickness crack. b, Indentor is lowered to apply the load. Osteoarthritis and Cartilage  , S373-S374DOI: ( /j.joca ) Copyright © Terms and Conditions

4 Figure 3 Comparison of stress relaxation curve in intact cartilage vs. cracked cartilage at compression speed of 4 μm/s until reaching a peak pressure of 2 MPa. Osteoarthritis and Cartilage  , S373-S374DOI: ( /j.joca ) Copyright © Terms and Conditions

5 Figure 4 Rabbit patella viewed under LPM. a, Uncompressed patella with the bright part of extracellular matrix representing collagen fibers running parallel or perpendicular to the cartilage surface. b, Compressed patella showing the reoriented collagen fibers that appear as fine black lines running oblique to the cartilage surface, note the black lines run superimposed over the bright background that is similar to the one appearing in the unloaded cartilage. Osteoarthritis and Cartilage  , S373-S374DOI: ( /j.joca ) Copyright © Terms and Conditions


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