The mechanical properties of (Bi-Pb)SrCaCuO
The mechanical properties of (Bi-Pb)SrCaCuO
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(Bi-Pb)SrCaCuO 的力学性能
DOI：
10.1088/0953-2048/11/9/006
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发表时间：
1998
影响因子：
3.6
通讯作者：
N. Alford
中科院分区：
文献类型：
--
作者：
O. Oduleye;S. Penn;N. Alford
研究了（Bi，Pb）SrCaCuO（BSCCO）的力学性能。特别注意孔隙率的弹性模量，弯曲强度，硬度和断裂韧性的影响。孔隙率对这些性能的影响的研究是至关重要的，在开发一个更清晰的想法的行为BSCCO导体在服务中，是一个先决条件，例如，有限元技术建模。进行了实验，显示的机械性能和加工的断裂韧性的影响上的孔隙体积的效果。发现BSCCO中的临界缺陷长度是令人惊讶的大，这对材料的加工和应用的限制具有重要意义。
The mechanical properties of (Bi, Pb)SrCaCuO (BSCCO) are examined. Particular attention is paid to the effects of porosity on the elastic modulus, the flexural strength, the hardness and the fracture toughness. A study of the effects of porosity on these properties is crucial in developing a clearer idea of the behaviour of BSCCO conductors in service and is a prerequisite for modelling using, for example, finite element techniques. Experiments are carried out which show the effect of pore volume on the mechanical properties and the effect of processing on the fracture toughness. It is found that the critical defect length in BSCCO is surprisingly large and this has important implications for the processing of the materials and for the limits of application.