部分稳定氧化锆对羟基磷灰石-聚乙烯复合材料力学性能的影响。
The effect of partially stabilized zirconia on the mechanical properties of the hydroxyapatite-polyethylene composites.
作者信息
Sadi A Yari, Homaeigohar S Sh, Khavandi A R, Javadpour J
机构信息
Department of Materials Science and Engineering, Iran University of Science and Technology, Tehran-Iran, 16844.
出版信息
J Mater Sci Mater Med. 2004 Aug;15(8):853-8. doi: 10.1023/B:JMSM.0000036272.28022.3a.
The effect of partially stabilized zirconia (PSZ) on the mechanical properties of the hydroxyapatite-high density polyethylene composites was studied by investigating the effect of hydroxyapatite and the simultaneous effect of hydroxyapatite and PSZ volume fractions on fracture strength, modulus of elasticity, and absorbed energy in the composite samples. The results showed a decrease in fracture strength, and absorbed energy with an increase in the volume fraction of hydroxyapatite content in the hydroxyapatite-polyethylene samples. Partial replacement of hydroxyapatite with PSZ particles was beneficial in the improvement of both the fracture strength and failure energy values in the composite samples. A transition from ductile to brittle behavior was observed as the volume fraction of ceramic filler particles increased in the samples.
通过研究羟基磷灰石的影响以及羟基磷灰石和部分稳定氧化锆（PSZ）体积分数对复合样品断裂强度、弹性模量和吸收能量的同时影响，研究了部分稳定氧化锆（PSZ）对羟基磷灰石 - 高密度聚乙烯复合材料力学性能的影响。结果表明，在羟基磷灰石 - 聚乙烯样品中，随着羟基磷灰石含量体积分数的增加，断裂强度和吸收能量降低。用PSZ颗粒部分替代羟基磷灰石有利于提高复合样品的断裂强度和破坏能量值。随着样品中陶瓷填料颗粒体积分数的增加，观察到从韧性行为到脆性行为的转变。
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