摘要
简述了近年来国内外SiC纤维增强钛基复合材料的发展进程和应用进展情况,从纤维批量化生产、复合材料界面、主要力学性能、无损检测和结构件研制与考核5个方面对该类材料的研究进展进行了回顾.在纤维批量化生产和复合材料结构件研制方面,重点介绍了中国科学院金属研究所的研究工作,并对该类复合材料未来的发展趋势进行了展望.
SiC fibers can be used to reinforce a range of titanium base materials including alloys of the（a＋b）type, metastable b type and near a type, as well intermetallic based g-TiAl and orthorhombic Ti2AlNb. Along the fiber directions the obtained composites possess exceptional strength and stiffness, creating a large room and great flexibility for the design of higher performance components to be used in both aero engine and aircraft. The composites can be used by itself such as in sheet and bar form, or as a reinforcing module embedded in titanium alloy components, e.g., as a ring at the rim of a compressor disk. In this paper, recent progress in the development and application of SiC fiber reinforced titanium matrix composites was reviewed, emphasizing the work conducted at the Institute of Metal Research, Chinese Academy of Sciences. Five aspects of research were covered, the first is fiber manufacture and batch production, in which the influence of the chemical vapor deposition parameters on the quality of the W-core SiC fiber was discussed, and the relationship between the tungsten-SiC interface reaction and the high temperature stability of the fiber was described. The second part covers the composite interface, in which a detailed discussion was given to both the chemical and physical compatibility, followed by the design of different reaction layers between the SiC fiber and different titanium based matrixs. The mechanical property section presents tensile data of a range of composites developed in the authors＇ group and compares to literature reports where available, together with a comprehensive discussion of failure due to fatigue and creep. The fourth part deals with nondestructive testing, presenting new results of inspection on real size composite components using a combination of several techniques including X- ray, industrial CT and ultrasonic scanning. The limitations of each method were shown and the technical challenges were identified. The last part describes the development of structural parts and their verification testing. Titanium matrix composite sheets with [0/90] laminate prepared by both the foil-fiber-foil and matrix coated fiber methods were highlighted, followed by a description of the development of full size bladed ring and excess revolution testing. Future directions of research on SiC fiber reinforced titanium matrix composites were also discussed.
出处
《金属学报》
SCIE
EI
CAS
CSCD
北大核心
2016年第10期1153-1170,共18页
Acta Metallurgica Sinica
关键词
钛基复合材料
SIC纤维
界面反应
无损检测
整体叶环
titanium matrix composites
SiC fiber
interfacial reaction
non-destructive testing
bladed ring
作者简介
王玉敏，男，1971年生，副研究员，博士
