材料期刊网

Interface Structure and Formation Mechanism of Directly-Bonded Joints of Silicated Graphite to Fe-based Alloys

Jichun CHEN

材料科学技术（英）

Commercially available 000Cr30Mo2 ferritic stainless steel and 4J33 ferromagnetic expansion alloy were directly bonded to silicated graphite at 1180-1200℃ and 1100-1150℃, respectively. Interfacial microstructures were examined by scanning electron microscopy, electron probe microanalysis, and X-ray diffraction. The results showed that transient liquid-phase present during bonding promoted the interfacial reactions during bonding. Plenty of brittle chromium carbides, such as (Cr, Fe)7C3 and (Cr2.5Fe4.3Mo0.1)C3, were observed in 000Cr30Mo2/silicated graphite joints. Besides, transverse cracks were also found. In case of 4J33/silicated graphite system, well bonded joints free of defects were obtained.

关键词: Bonding , null , null , null

Interface Structure and Formation Mechanism of Directly-Bonded Joints of Silicated Graphite to Fe-based Alloys

材料科学技术（英）

关键词:

复合材料胶接技术的研究进展

乔海涛 , 邹贤武

宇航材料工艺 doi:10.3969/j.issn.1007-2330.2010.02.004

回顾了高聚物基体复合材料胶接技术的研究进展情况.总结了用于提高复合材料胶接强度的工艺、胶黏剂材料以及影响胶接耐久性的因素.胶接材料包括热固性和热塑性复合材料以及复合材料和金属之间的胶接.复合材料胶接的性能因复合材料的种类、胶黏剂的种类、表面处理技术的不同而有较大差异.为了获得兼顾高强度和耐久性的复合材料胶接制件,应在胶黏剂和复合材料体系选择、复合材料表面处理技术、胶接体系的试验评估和胶接设计方面开展大量的工作.

关键词: 复合材料 , 胶接 , 表面处理 , 耐久性