1) crack bridge and deflection
裂纹桥接和偏转
1.
The main cause of thermal shock fatigue is the co-action of micro-cracks,crack bridge and deflection,"crushed particles" and roughness on the crack surface during thermal shock cycling.
热震过程中的微裂纹,裂纹桥接和偏转,热震裂纹表面的“碎粒”及粗糙性等的共同作用是Al2O3-TiC复合陶瓷热震疲劳产生的主要机制。
2) crack-bridging
裂纹桥接
3) crack deflection
裂纹偏转
1.
Study of energy release rates for crack deflection of ceramic matrix composites;
陶瓷基复合材料基体裂纹偏转能量释放率研究
2.
The crack deflection caused by the difference in thermal .
由B_4C基体和ZrB_2颗粒热膨胀系数不匹配引起的裂纹偏转是ZrB_2/B_4C复相陶瓷增韧的主要原因。
3.
SEM and TEM investigation revealed that the improvement of the composite toughness resulted from the multitoughening of both the crack deflectionassociated with the incorporation of TiB2 particles and .
显微结构观察表明,材料韧性的改善是因第二相颗粒TiB2和基体B4C之间的热膨胀系数不匹配而产生的残余应力导致的裂纹偏转和游离碳的引入产生的微裂纹协同增韧的结果。
4) crack deflection parameter
裂纹偏转因子
1.
Using crack deflection parameter,the fracture models were discussed.
采用X射线衍射技术就粘结剂种类和氮化硅的加入对材料析晶性能的影响进行了分析,采用扫描电镜对不同浸渗次数复合材料的截面和断口形貌进行了观察,并采用裂纹偏转因子对复合材料断裂模式进行了分析。
5) crack expansion deflection
裂纹扩展偏转
6) bridge crack
桥梁裂纹
1.
Combining actual practices of bridge production,main causes of bridge cracks are introduced,as well as corresponding control methods during construction and treatments of existing cracks.
结合桥梁生产实践,阐述了桥梁裂纹的主要成因,相应的施工防治措施,及对已出现裂纹的处理。
补充资料:和郭员外题万里桥
【诗文】:
万里桥头独越吟,知凭文字写愁心。
细侯风韵兼前事,不止为舟也作霖。
【注释】:
【出处】:
全唐诗
万里桥头独越吟,知凭文字写愁心。
细侯风韵兼前事,不止为舟也作霖。
【注释】:
【出处】:
全唐诗
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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