This paper gives a comprehensive failure analysis on the thermal fatigue crack of engine exhaust manifold and makes an improvement for materials and structures.
对某车型发动机排气歧管的热疲劳断裂问题进行综合失效分析，并从材料、结构方面提出改进意见。
Based on the failure analysis of reinforced concrete and the fracture behavior of concrete as a type of quasi-brittle materials, a model of matrix crack with bridging bar is proposed in this paper.
基于钢筋混凝土的破坏分析，结合混凝土类准脆性材料的断裂特性，本文提出了强化筋桥联基体裂纹力学分析模型，在该虚拟裂纹端部存在粘聚力分布，而强化筋在桥联裂纹处具有与基体脱离的部分段。
Thanks to the failure analysis of the hammers made of two different kinds of materials, it is certain that the cleanness of materials plays a great impact on the high-temperature corrosion.
对两种材料锤头失效的分析，确定了材料的洁净程度对高温腐蚀影响。
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