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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。
- Keywords machinable ceramics;weak interface structures;machining mechanism;microstructure design;performance optimization; 可加工陶瓷;弱界面结构;加工机理;显微结构设计;性能优化;
- weak interface structures 弱界面结构
- 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。
- Nano-materials have the preternatural interface structures and unique functions and its properties are largely changed in electronics,mechanics,magnetic and optics et al. 纳米材料具有奇异结构和特异的功能,材料的电学、力学、磁学以及光学性质等发生了巨大的变化。
- 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。
- The conjunction and interface structure of Ti/Ti_3SiC_2 composite at 1573 K and 20 MPa is studied. 研究了Ti_3SiC_2和Ti在1573K、20MPa压力下的相互联接及界面结构。
- 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。
- But the quality of its oxide is far from adequate for industrial devices. The devices need high quality of oxide film and SiO2/SiC interface structure. 由于其氧化层的的质量还不能达到工业生产的要求,目前关于SiC表面的氧化层质量以及界面态特性仍然需要大量研究。
- 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 interface structure of TiAlN/Ti multi composite compound coating on HSS substrates by multi arc ion deposition, was analysed with AES, XTEM and EDS. 利用多弧离子镀方法 ;在HSS钢基体上沉积了TiAlN/Ti多元复合涂层 ;通过AES、XTEM以及EDS等手段 ;研究了涂层的界面结构 .
- The influence of polymer,inorganic powder and plasticizer on system's interface structure and lithium ion transport in composite polymer electrolytes are emphatically discussed. 着重讨论了复合型聚合物电解质中聚合物、无机物及增塑剂对体系的界面结构和锂离子传递的影响。
- Furthermore, the sharp peak and the little valley in the local temperature profile at the liquid-vapor interface are interpreted using the undulant interface structure. 汽液界面体系内密度、压力张量及温度等热力学量连续变化只是统计的结果。
- This paper presents an interface structure of evolving software, which supports for dynamic evolution of software without modifying the original program and recomplication. 本文提出了支持软件进化的界面结构,它能在不修改源程序的基础上实现界面的动态演变。
- It is suggested the study of HSS compound roll should be focused on composition design, produce techniques and equipments and the optimization of interface structure. 认为高速钢复合轧辊今后研究应以高速钢的成分设计、生产工艺和设备的改进及优化复合界面结构为重点。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。