准解理断裂是淬火加低温回火的高强度钢较为常见的一种断裂形式，常发生在脆性转折温度附近。准解理断裂的断口是有平坦的“类解理”小平面、微孔及撕裂棱组成的混合断裂。
For notch bending specimens,ductile fracture is dominitaed at above -100℃,brittle quasi-cleavage fracture is domainated at -196℃.
在-100℃及以上温度时,此材料的缺口弯曲断裂形态为韧性断裂;在-196℃时,为脆性准解理断裂。
参考来源 - 一种高强钢在不同温度下的断裂行为研究·2,447,543篇论文数据，部分数据来源于NoteExpress
其断口形貌为解理脆性断裂(宏观)和准解理断裂(微观)的综合。
The fracture morphology was the synthesis of the cleavage brittle fracture (macroscopic) and the accurate cleavage fracture (microscopic).
扫描电镜分析结果显示添加稀土的镁合金疲劳断口呈现出准解理断裂特征。
The results by SEM results show that AZ91D alloy by addition rare earth elements possess the features of quasi-cleavage fracture.
疲劳断裂特征为疲劳条纹、韧窝及类似准解理状形貌特征。
The fatigue fracture characteristics were fatigue striation, ductile microvoid, and quasi-cleavage-like fracture characteristic.
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