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- The effects of weak interface structures on the formation and expansion of cracks during the machining process are analyzed,and the machining mechanism is explained accordingly. 重点分析了弱界面结构对可加工陶瓷在加工过程中裂纹的产生和扩展的影响,从而解释了其加工机理。
- Mechanical properties testing、SEM and TEM was used to study the effects of cold-rolled reduction and aging temperature on the cohesion of the weak interface of DISC. 通过力学性能测试、扫描电镜及透射电镜观察,研究了冷轧压下量及时效温度对内生复合钢板弱界面结合强度的影响。
- The results showed that the weak interface can block the motion of the dislocations and change the propagation direction of the main crack,and result in forming lamella fracture surface. 结果表明,弱界面有阻碍位错运动、偏转主裂纹扩展方向的作用,可形成分层断口。
- They observed that broken fibers recede within the matrix in composites with weak interfacial bond. 他们观察到弱界面粘结的复合材料,断裂的纤维会在基体中缩回。
- There exist the weak interfaces bonding strength between the vinylon fibres and matrix material. 纤维和基体间界面结合强度较弱。
- The research progress in machinable ceramics with weak interfaces in microstructure was reviewed in this paper. 评述了具有弱界面结构的可加工陶瓷的研究进展。
- For weak interfaces, the composite exhibits very high apparent toughness up to 20 MPam1/2 with a moderate strength of about 600 MPa, while for tight interface, the composite fractures behave like monoliths and give a high strength of over 1000 MPa. 在结合力很强时,层状材料具有与块状材料相同的破坏方式,强度出现极值,达到1000MPa以上; 在结合力较弱时,隔离层能够反复偏折裂纹,层状材料表现出高达20MPam1/2的表观断裂韧性和约600MPa的强度。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- Low sputtering power results in less compact A1 film and weak interfacial adhesion, whereas high sputtering power overheats and considerably bends the composite films. 结果表明:溅射功率是决定复合薄膜质量的重要因素,功率过低得不到致密的铝层结构,而且铝层容易从氟塑料表面脱离,功率过高则会产生很强的热效应而使复合薄膜弯曲。
- Keywords stress-strain curve;indentation;ductility;weak interface; 应力应变曲线;压痕;塑性化;弱界面;
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- He cannot run because he has a weak heart. 他有心脏病,不能跑。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- Can you give me an explanation of the man-machine interface? 你能给我解释一下人机接口吗?
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。
- He is weak with hunger, so I have to support him. 他饿得没有力气,我得搀着他。
- He pushed a weak student through the exam. 他帮助一位成绩差的学生通过了考试。