研究涂碳的SiC(C)/Ti-6Al-4V和无涂碳的SiC/Ti-6Al-4V材料的界面结构以及结合强度.结果表明:碳涂层阻止了径向纤维间的相互作用,该涂层界面反应物只是TiC,这些产物包含邻近碳涂层生成的细小晶粒和邻近金属基体生成的粗大晶粒;在无涂碳界面上,相邻纤维一侧产生的是TiC薄层,毗邻金属基体产生的是TiC和Ti5Si3晶粒组成的厚混合物,晶粒的大小从纤维到基体逐渐增大.涂炭和无涂碳复合材料的界面结合强度分别是(118.2±4.24),(230±6.28) MPa,证明碳涂层在纤维和基体之间提供了一个弱结合界面.涂碳纤维复合材料的界面结合发生在涂碳层和反应层之间,而无涂碳发生在纤维和反应层之间.
参考文献
[1] | Fukushima A;Fujiwara C;Kagawa Y et al.Fatigue damage evolution in SiC fiber-reinforced Ti-15-3 alloy matrix composite[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2000,276:243-249. |
[2] | X. WU;C. COOPER;P. BOWEN .In-Situ Observations of Titanium Metal-Matrix Composites under Transverse Tensile Loading[J].Metallurgical and materials transactions. A, physical metallurgy and materials science,2001(7):1851-1860. |
[3] | Gorsse S;Le Petitcorps Y .Microstructure and hardness of ascast in situ TiB short fibre reinforced Ti-6Al matrix composites[J].Composites Part A:Applied Science and Manufacturing,1998,29:1221-1227. |
[4] | Rangaswamy P;Daymond M;Bourke MAM;Clausen B;Choo H;Jayaraman N;Prime MB .Comparison of residual strains measured by x-ray and neutron diffraction in a titanium (Ti-6Al-4V) matrix composite[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(2):209-219. |
[5] | Yang C J;Jeng S M;Yang J M .Fracture mechanisms of fiberreinforced titanium alloy matrix composites:Part Ⅰ:Interfacial behavior[J].Scripta Metallurgica et Materialia,1990,24:469-474. |
[6] | Gundel D B;Wawner F E .The influence of defects on the response of titanium/SiC fiber composites to thermal exposure[J].Scripta Metallurgica et Materialia,1991,25:437-441. |
[7] | Baik K H;Grant P S .Strength degradation of SiC fiber during manufacture of titanium matrix composites by plasma spraying and hot pressing[J].Scripta Materialia,2001,44:607-612. |
[8] | Shi N L;Liu Q M;Chang X C et al.Kinetics and mechanism of interfacial reaction in a SiCf/Ti composite[J].Acta Metallurgica Sinica,1990,26:B225-B227. |
[9] | Le Peticorps Y;Pailler R;Naslain R .Interfacial mechanics in fibre-reinforced metals[J].Journal of Computer Science and Technology,1989,35:207-214. |
[10] | Rhodes C G;Ghosh A K;Spurling R A .Ti-6Al-4V-2Ni as a matrix material for a SiC-reinforced composite[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1987,18:2151-2156. |
[11] | Jones C;Kiely C J;Wang S S.Fracture mechanisms of fiberreinforced titanium alloy matrix composites:Part Ⅱ:Tensile behavior[J].Journal of Materials Research,1989(04):327-335. |
[12] | Guo S Q;Kagawa Y;Saito H et al.Microstructure and role of outermost coating for tensile strength of SiC fiber[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1998,246:25-35. |
[13] | Shi N L;Liu Q M;Chang X C.Kinetics and mechanism of interfacial reaction in a SiCf/Ti composite[J].Acta Metallurgica Sinica(English Letters) Series B:Process Metallurgy & Miscellaneous,1990(03):439-442. |
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