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Mechanical Characterization of the Soft Tissue in Horse Hooves

by Harry A. Hogan, Texas A&M Univ, College Station, United States,
David M. Hood, Texas A&M Univ, College Station, United States,



Document Type: Proceeding Paper

Part of: Engineering Mechanics

Abstract:

The laminar corium tissue of the equine distal digit (or horse hoof) has been tested uniaxial tension. The laminar corium tissue lies between the hoof wall and the underlying bone of the hoof and is considered to be the main load-carrying soft tissue in the hoof. The average elastic modulus ranges from 5.57 MPa to 11.30 MPa depending on the relative proximal/distal location of the sample with the modulus increasing for more proximal locations. The average ultimate strengths range from 1.72 MPa to 3.09 MPa. Image analysis was employed in order to measure the modulus of each of the two distinct layers of the laminar corium and also to allow Poisson's ratios to be estimated. The laminar corium tissue exhibits extremely low Poisson's ratios (ranging from 0.0010 to 0.0046) as is characteristic of energy absorbing materials such as foams.

Subject Headings: Material properties | Material tests | Poisson ratio | Livestock | Elastic analysis | Walls | Tension

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