By using such flier-plate material,quasi-isentropic compression can be realized.Based on it,hypervelocity launching is further accomplished.As a result,an extremely high dynamic pressure can be obtained in laboratory,...By using such flier-plate material,quasi-isentropic compression can be realized.Based on it,hypervelocity launching is further accomplished.As a result,an extremely high dynamic pressure can be obtained in laboratory,offering a practical method for the comprehensive determination of materials behavior,response,equation-of-state and properties in dynamic loading process.展开更多
By choosing different weight contents of Ni and Cu,Mo alloys have been densified under 1473K-30MPa-1h in a vacuum furnace.The experimental results indicate that,when the contents of Ni and Cu are 3wt% and 2wt% respect...By choosing different weight contents of Ni and Cu,Mo alloys have been densified under 1473K-30MPa-1h in a vacuum furnace.The experimental results indicate that,when the contents of Ni and Cu are 3wt% and 2wt% respectively,the relative density of the sample reaches the maximum value.Ni and Cu play different roles in the process of sintering,the powder Ni,dissolved in the liquid Cu,shows more activating sintering feature for Mo than the solid Ni.展开更多
A fully dense W-Mo-Ti system flier-plate with graded impedance in its thickness direction was successfully fabricated by the method of powder metallurgy. The result of the impact experiment on a light gas gun showed t...A fully dense W-Mo-Ti system flier-plate with graded impedance in its thickness direction was successfully fabricated by the method of powder metallurgy. The result of the impact experiment on a light gas gun showed that dynamic quasi-isentropic compression has been created.展开更多
文摘By using such flier-plate material,quasi-isentropic compression can be realized.Based on it,hypervelocity launching is further accomplished.As a result,an extremely high dynamic pressure can be obtained in laboratory,offering a practical method for the comprehensive determination of materials behavior,response,equation-of-state and properties in dynamic loading process.
文摘By choosing different weight contents of Ni and Cu,Mo alloys have been densified under 1473K-30MPa-1h in a vacuum furnace.The experimental results indicate that,when the contents of Ni and Cu are 3wt% and 2wt% respectively,the relative density of the sample reaches the maximum value.Ni and Cu play different roles in the process of sintering,the powder Ni,dissolved in the liquid Cu,shows more activating sintering feature for Mo than the solid Ni.
文摘A fully dense W-Mo-Ti system flier-plate with graded impedance in its thickness direction was successfully fabricated by the method of powder metallurgy. The result of the impact experiment on a light gas gun showed that dynamic quasi-isentropic compression has been created.