IMECH-IR  > 力学所知识产出(1956-2008)
类骨纳米结构生物材料的细观力学分析
Alternative TitleMicromechanical analysis for bone-like nanostructural biomaterials
左树春; 魏悦广
Source Publication复合材料学报
2007-12-15
Volume24Issue:6Pages:95-99
ISSN1000-3851
Abstract根据贝壳、骨骼等生物材料在纳米尺度的微结构特征,采用剪滞模型,分别推导了蛋白质材料为线弹性和弹塑性时类骨材料的等效模量和总体应力应变曲线.通过与有限元以及Gao等人的拉剪链模型结果的比较,分析了线性剪滞模型和拉剪链模型在研究类骨材料等效模量时的有效性.结果显示,剪滞模型与二维有限元结果符合较好,拉剪链模型在长细比较大时与有限元结果偏离较大.进一步将弹塑性剪滞模型预测的应力-应变曲线与实验测量结果进行了比较,两者符合较好.从模拟结果中可以看出,在刚度发生明显降低之前,已经有部分蛋白质进入塑性变形,从而反映了生物材料的能耗与增韧特征.
Keyword细观力学模型 贝壳 骨骼 剪滞分析
Indexed ByCSCD
Language中文
CSCD IDCSCD:3055689
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/40794
Collection力学所知识产出(1956-2008)
Corresponding Author左树春
Recommended Citation
GB/T 7714
左树春,魏悦广. 类骨纳米结构生物材料的细观力学分析[J]. 复合材料学报,2007,24,6,:95-99.
APA 左树春,&魏悦广.(2007).类骨纳米结构生物材料的细观力学分析.复合材料学报,24(6),95-99.
MLA 左树春,et al."类骨纳米结构生物材料的细观力学分析".复合材料学报 24.6(2007):95-99.
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