碳-铝复合材料显微组织研究

碳-铝复合材料的显微组织与其工艺过程有密切联系。因此,通过分析研究其显微组织特征,可以发现工艺过程中存在的问题,为进一步正确选择工艺参数,改善工艺过程。提高纤维及复合材料的性能提供参考。本文介绍了用金相及扫描电子显微镜拍摄的,在各工艺条件下的碳纤维、镀镍碳纤维、真空热处理镀镍碳纤维、碳-铝复合丝以及碳-铝热压试样的显微组织。

STUDY ON MICROSTRUCTURE OF CARBON-ALUMINUM COMPOSITES

The microstructure of carbon-aluminum composites is close related with their technological process. Therefore, the problems in the process can be discovered by studying the features of the microstructure, and available information can be obtained further to choose the process parameters correctly, to improve the technological process and to enhance the properties of the fibers and composites.The microstructures of the carbon fibers, the carbon fibers coated with nickle, the carbon fibers with nickle layer after vacuum heat treatment, carbon-aluminum composite wires and their specimens fabricated by hot pressing under the different technological conditions have been taken with the metallographic and sweep electron microscopes and are presented in this paper.