The increment of Ti-Al sheets porosity is 21%32%, and the prime reasons are considered to be the existence of the porosity in sheet bars and Al self-diffusion in the process of reactive synthesis.

烧结坯孔隙度大幅度增加，增加量为21% 32%。原板坯中的孔隙及偏扩散是造成烧结坯孔隙的主要原因。

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The increment of Ti-Al sheets porosity is 21%32%, and the prime reasons are considered to be the existence of the porosity in sheet bars and Al self-diffusion in the process of reactive synthesis.

烧结坯孔隙度大幅度增加，增加量为21% 32%。原板坯中的孔隙及偏扩散是造成烧结坯孔隙的主要原因。

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