本文利用混合型裂纹扩展的能量释放率理论对脆性材料受轴向压缩时其内部微观裂纹的扩展规律进行了研究。
This paper presents a theoretical analysis about the propagation rule of the micro-crack in brittle materials under axial compression, based on the energy release rate criterion.
其次将应力与位移代入应变能释放率的基本公式，推出了Ⅰ、Ⅱ混合型，Ⅲ型以及Ⅰ、Ⅱ、Ⅲ混合型裂纹尖端应变能释放率的具体计算公式。
And then, substituting stress and displacement into basic formula of strain energy release rate, computing formula for strain energy release rate of mode III, mixed mode crack tips are direved.
裂纹扩展的微观特征研究：在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。
Micro characteristic of cracks propagation research: the path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.
本文研究了多裂纹及带多裂纹的孔洞问题，裂纹类型为最常见的也最重要的I型、II型和I - II混合型。
Several cracks and the hole with several cracks is investigated in this paper. The cracks are familiar and important model I, model II and mixed model of I-II.
本文研究了多裂纹及带多裂纹的孔洞问题，裂纹类型为最常见的也最重要的I型、II型和I - II混合型。
Several cracks and the hole with several cracks is investigated in this paper. The cracks are familiar and important model I, model II and mixed model of I-II.
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