在试验温度区内，控制韧性的因素是断裂载荷、纤维裂纹长度和单位纤维裂纹扩展能量。
Within the range of test temperature, the factors controlling the toughness are fracture loads, the lengths of fibrous crack, and the energy absorbed by each fibrous crack extension.
科拉尔博士推测，那种裂纹扩展为三个维度使能量消散的更快，制止了缺陷的扩展。
Dr Corral suspects that extending cracking into the third dimension dissipates the energy faster and stops the fault spreading.
分子动力学模拟和宏微观分析均得到裂纹起始扩展的临界时刻、裂尖应力场和原子平均能量。
When crack starts to grow, the normal stress and average atom energy at the crack tip in atomistic simulation agree well with the results of continuum analysis.
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