Correlation between impact strength and fracture toughness of PMMA-based bone cements

被引：56
|
作者：
Lewis, G
Mladsi, S
机构：
[1] Univ Memphis, Dept Mech Engn, Memphis, TN 38152 USA
[2] Smith & Nephew Inc, Memphis, TN 38116 USA
来源：
BIOMATERIALS | 2000年 / 21卷 / 08期
关键词：
PMMA bone cement; impact strength; fracture toughness;
D O I：
10.1016/S0142-9612(99)00226-4
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The thrust of the work involved determining the impact strength, IS (in kJ m(-2)) [using non-ASTM-sized Charpy-type specimens and an in-house impact tester] and fracture toughness, K-Ic (in MPa root m) [using ASTM-sized rectangular compact tension specimens] of Surgical Simplex(R) P and three variants of Palacos(R) R acrylic bone cements. The attractions and drawbacks of this method for determining IS are detailed. The best fit to the K-Ic and IS results yielded a power relationship K-Ic = 0.795(IS)(0.59). The usefulness and limitations of this relationship are detailed. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：775 / 781
页数：7
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