With the decreasing of heterogeneity , the main failure process presents brittle behavior , and vice versa , with the increasing of heterogeneity , failure process presents ductile behavior.
随著非均匀程度的降低，主破裂呈现脆断模式，而随著非均匀程度的增加而呈现韧性破坏特征。
Combining with the cohesive crack model, the behavior of structure in the range from ductile to brittle instability and the factors influencing the brittle failure are studied.
结合粘结裂纹模型，研究了结构从延性到脆性失稳的特性以及引起脆性破坏的影响因素。
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