A predetermined quantity of a metal-matrix composite material is injected into a heating crucible along an angular infeed direction toward a location therein at which a vortex is formed by the blade of an agitator through which the material is stirred while being superheated above the melting temperature to a pouring temperature under which the melted material is transferred to a casting mold after surface skimming thereof to form a product having improved wear resistance properties.
申请公布号
US6129135(A)
申请公布日期
2000.10.10
申请号
US19990342207
申请日期
1999.06.29
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
发明人
DIVECHA, AMARNATH P.;KARMARKAR, SUBHASH D.;MAY, WILLIAM A.;KERR, JAMES M.;FERRANDO, WILLIAM A.;HOOVER, SCOTT M.