Fatigue Fracture of The Stem-Cement Interface With A Clamped Cantilever Beam Test  

Oleh:

Heuer, D. A. ; Mann, K. A.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Biomechanical Engineering vol. 122 no. 6 (2000), page 647-651.
Topik: fatigue; fatigue frature; stem - cement; interface; cantilever; beam test

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ52.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A clamped cantilever beam test was developed to determine the fatigue crack propagation rate of the CoCr alloy /P MMA cement interface at high crack tip phase angles. A combination of finite element and experimental methods was used to determine the fatigue crack growth rates of two different CoCr alloy / PMMA cement surfaces. A crack tip phase angle of 69 deg was found, indicating that loading at the crack tip was mixed - mode with a large degree of in - plane shear loading. The energy required to propagate a crack at the interface was much greater for the plasma - sprayed CoCr surface when compared to the PMMA - precoated satin finish (p < 0.001). Both interface surfaces could be modeled using a Paris fatigue crack growth law over crack propagation rates of 10 – 4 to 10 – 9 m/cycl

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