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- It is brittle and breaks with a conchoidal fracture surface. 性脆，具贝壳状断口。
- The conchoidal fracture in casting steel was studied by means of instrumented impact test, facture analysis and metallographic examination. 采用示波冲击试验、断口分析和金相分析等方法,并结合断裂力学对铸钢中贝壳状断口的形成机理进行了研究。
- The results show that main cause of conchoidal fracture forming is that composition segregation in solidification grain boundary of casting steel reduces the resistance of crack propagation. 结果表明,沿一次晶晶界的成分偏析对裂纹扩展阻力的降低作用是铸钢中贝壳状断口形成的主要原因。
- Keywords Casting Steel;Conchoidal fracture; 铸钢;贝壳状断口;
- On the other hand,a few of the quartz sands are characterized by glacial surface textures,such as all sizes conchoidal fractures,and parallel striations. 另方面，少量石英砂显示冰川作用结构，例如大大小小的贝壳状断口、平行擦痕等。
- Study of Forming Mechanism of Conchoidal Fracture in Casting Steel 铸钢中贝壳状断口形成机理研究
- Keywords casting steel;conchoidal fracture;composition segregation;resistance of crack propagation; 铸钢;贝壳状断口;成分偏析;裂纹扩展阻力;
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- conchoidal fracture 贝壳状断裂,贝壳状破裂
- Fracture of the leg can be very serious in old people. 老年人腿骨骨折有可能成为严重疾患。
- Such a procedure does not preclude fracture. 这个方法不能消除断裂的发生。
- You'll be treated for a fracture of the bone. 你因骨折需要治疗。
- High fracture toughness and insulation resistance. 高断裂强度及绝缘性能。
- The gas escaped from a fracture in the pipe. 煤气从管子裂缝处逸出。
- Your leave thumb suffer a comminute fracture. 你左手的拇指是粉碎性骨折。
- The crack eventually caused the chord to fracture. 裂纹最终致使弦杆断裂。
- To produce a fault in; fracture. 产生断层；断裂
- Fracture of any part of the body can be very serious in old people. 老年人身体的任何部位发生骨折都有可能成为严重疾患。
