On the anisotropic elastic properties of hydroxyapatite

Katz, J. L.; Ukraincik, K.

Affiliations

¹Laboratory for Crystalographic Research, Department of Physics and Astronomy, Rensselaer Polytechnic Institute, Troy, N.Y. 12181, U.S.A.

Abstract

Experimental measurements of the isotropic elastic moduli on polycrystalline specimens of hydroxyapatite and fluorapatite are compared with elastic constants measured directly from single crystals of fluorapatite in order to derive a set of pseudo single crystal elastic constants for hydroxyapatite. The stiffness coefficients thus derived are: c₁₁ = 13.7, c₁₂ = 4.25, c₁₃ = 5.49, c₃₃ = 17.2, and c₄₄ = 3.96 (all in 10ⁱⁱ dyn/cm²). Anisotropic and isotropic elastic properties are then computed and compared with similar properties derived from experimental observations of the anisotropic behavior of bone.

Links

DOI: 10.1016/0021-9290(71)90007-8

PubMed: 5119417

WoS: A1971J295000007

History

Received: 1970-08-24

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Cited By (42)

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1984	Katz JL, Yoon HS, Lipson S, Maharidge R, Meunier A, Christel P. The effects of remodeling on the elastic properties of bone. Calcif Tiss Int. 1984;36(suppl 1):S31-S36.
1994	Hasegawa K, Turner CH, Burr DB. Contribution of collagen and mineral to the elastic anisotropy of bone. Calcif Tiss Int. November 1994;55(5):381-386.
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