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Unidirectional Tungsten filament (W_f) reinforced pure Al,Al-6Ti-6Nb and SiC_p-Al-6Ti-6Nb matrix composites were prepared by hot-pressing in vacuum atmosphere,their microstructure and room temperature mechanical properties were investigated. It was indicated that no reaction products appeared at W_f/Al interfaces in pure Al matrix composites. While, in W_f/Al-6Ti-6Nb and W_f/SiCp-Al-6Ti-6Nb,intermetallic WAl_4 interfacial reaction products formed. Much better strengthening effect from W filament was shown in the W_f/Al-6Ti-6Nb and W_f/SiCp-Al-6Ti-6Nb composites than in the pure Al matrix composite. Their strength reached 319 and 339MPa, respectively, with only a small content of W_f(<5Vol.%). The excellent reinforcement effects could be predominantly attributed to the strong W_f/Al interfacial bonding strength due to the interfacial reaction.
It was indicated that no unidisted was made by hot-pressing in vacuum atmosphere, their microstructure and room temperature mechanical properties were. In, W_f / Al-6Ti-6Nb and W_f / SiCp-Al-6Ti-6Nb, Intermetallic WAl_4 interfacial reaction products formed. shown in the W_f / Al-6Ti-6Nb and W_f / SiCp-Al-6Ti-6Nb composites than in the pure Al matrix composite, respectively, with a small content of W_f (<5Vol.% The excellent reinforcement effects could be predominantly attributed to the strong W_f / Al interfacial bonding strength due to the interfacial reaction.