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非晶材料弛豫过程中杨氏模量的唯象研究
PHENOMENOLOGICAL STUDIES ON YOUNG’S MODULUS OF AMORPHOUS MATERIALS DURING STRUCTRUAL RELAXATION PROCESS
【摘要】 从晶态材料弛豫过程中模量的唯象描述的基本思想出发 ,同时考虑到近年来对非晶材料弛豫规律的种种研究 ,将传统的构造力学参数模型作为弛豫单元的作法与现在流行的双能级模型统一起来 ,对非晶材料弛豫过程中的杨氏模量进行了唯象处理 ,得到了与以往不同的弛豫规律
【Abstract】 Based on the phenomenological descriptions of Young’s modulus of crystalline materials during structural relaxation processes and the studies in recent years for the structural relaxation laws of amorphous materials, the traditional method to construct relaxation unit and the two level system model are unified to investigate phenomenally the Young’s modulus of amorphous materials during structural relaxation processes, and a new relaxation law of Young’s modulus is obtained.
【关键词】 非晶材料;
弛豫;
杨氏模量;
唯象研究;
【Key words】 amorphous material; relaxation; Young’s modulus; phenomenological study;
【Key words】 amorphous material; relaxation; Young’s modulus; phenomenological study;
【基金】 湖南省教委科研基金资助项目 (99B2 8)
- 【文献出处】 固体力学学报 ,Acta Mechanica Solida Sinica , 编辑部邮箱 ,2001年03期
- 【分类号】TB383
- 【被引频次】1
- 【下载频次】90