FATIGUE ANALYSIS OF CROSSLINKED UHMWPE: AN EVALUATION OF RESISTANCE TO INITIATION AND PROPAGATION OF FLAWS AT VARYING CROSSLINK DENSITIES

机译：交联超高分子量聚乙烯的疲劳分析：变化的交联密度下抗初始裂纹和扩展裂纹的评估

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This study examines the fatigue resistance of orthopedic grade ultrahigh molecular weight polyethylene (UHMWPE) at varying crosslink densities. Two fatigue evaluation methods were used, a defect tolerant and a stress-life approach. The defect tolerant approach shows that increasing the crosslink densities in the polymer results in a decreased resistance to crack propagation. The stress life analysis results show an increase in cycles to yield for a given stress range as crosslink density increases. Small angle X-ray scattering is used to examine structural changes due to cyclic loading.

机译：这项研究检查了骨科级超高分子量聚乙烯（UHMWPE）在不同交联密度下的抗疲劳性。使用了两种疲劳评估方法，一种容忍缺陷和一种应力寿命方法。耐缺陷方法表明，增加聚合物中的交联密度会导致抗裂纹扩展性降低。应力寿命分析结果显示，随着交联密度的增加，在给定应力范围内屈服的周期增加。小角度X射线散射用于检查由于循环载荷引起的结构变化。

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来源
《International Conference on Deformation, Yield and Fracture of Polymers; 20000410-20040413; Cambridge; GB》|2000年|P.69-72|共4页
会议地点 Cambridge(GB)
作者
D A Baker; A Bellare; L Pruitt;
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Department of Mechanical Engineering, University of California, Berkeley, CA, USA;

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原文格式 PDF
正文语种 eng
中图分类复合材料;
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1. The effects of degree of crosslinking on the fatigue crack initiation and propagation resistance of orthopedic-grade polyethylene [J] . D. A. Baker, A. Bellare, L. Pruitt Journal of biomedical materials research. Part B, Applied biomaterials. . 2003,第1期

机译：交联度对骨科级聚乙烯疲劳裂纹萌生和扩展阻力的影响
2. Viscoplastic crack initiation and propagation in crosslinked UHMWPE from clinically relevant notches up to 0.5 mm radius [J] . Sirimamilla P. Abhiram, Rimnac Clare M., Furmanski Jevan Journal of the mechanical behavior of biomedical materials . 2018,第期

机译：来自临床相关的凹口的交联UHMWPE中的粘胶裂纹引发和繁殖高达0.5mm半径
3. Crack propagation resistance is similar under static and cyclic loading in crosslinked UHMWPE: a pilot study. [J] . Furmanski J, Rimnac CM Clinical Orthopaedics and Related Research . 2011,第8期

机译：初步研究表明，交联的UHMWPE在静态和循环载荷下的裂纹扩展阻力相似。
4. FATIGUE ANALYSIS OF CROSSLINKED UHMWPE: AN EVALUATION OF RESISTANCE TO INITIATION AND PROPAGATION OF FLAWS AT VARYING CROSSLINK DENSITIES [C] . D A Baker, A Bellare, L Pruitt International conference on deformation, yield and fracture of polymers . 2000

机译：交联uhmwpe的疲劳分析：对不同交联密度的缺陷抗性的评估
5. Quantitative measurement of fatigue crack initiation and propagation in 304 stainless steel as related to design and nondestructive evaluation. [D] . McGuire, Shaun Michael. 1993

机译：与设计和无损评估有关的304不锈钢疲劳裂纹萌生和扩展的定量测量。
6. Viscoplastic Crack Initiation and Propagation in Crosslinked UHMWPE from Clinically Relevant Notches up to 0.5 mm Radius [O] . P. Abhiram Sirimamilla, Clare M Rimnac, Jevan Furmanski -1

机译：交联的UHMWPE的黏塑性裂纹萌生和传播其最大相关半径为0.5 mm
7. Viscoplastic crack initiation and propagation in crosslinked UHMWPE from clinically relevant notches up to 0.5 mm radius [O] . P. Abhiram Sirimamilla, Clare M. Rimnac, Jevan Furmanski 2018

机译：从临床相关的凹口中交联的UHMWPE中的粘胶裂纹引发和繁殖高达0.5mm半径

FATIGUE ANALYSIS OF CROSSLINKED UHMWPE: AN EVALUATION OF RESISTANCE TO INITIATION AND PROPAGATION OF FLAWS AT VARYING CROSSLINK DENSITIES

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