Multi-process alloy clad

Abstract

A method of creating a clad metal part is provided. The method includes explosion bonding a plate comprised of a base layer and an interlayer. The explosion bonded plate is then cut into bars which are roll bonded with a clad layer. Ultimately a part is fabricated from the roll bonded bar. The solution enables parts to have material combinations and resulting physical properties more optimal for an application than a single bonding process.

1 . A metal transition part comprising:
 a combination of a clad layer, an interlayer and a base layer,   said part having a part width, a part thickness and a part length;   said part being formed by a method comprising:
 explosively forming a plate having said interlayer metallurgically bonded to said base layer, said plate having a plate width greater than said part width and a plate length greater than said part length; 
 cutting a bar from said plate, said bar having a width less than said plate width and a length greater than said part length; 
 rolling said clad layer onto said bar to create a metallurgical bond between said interlayer and said clad layer; and, 
 fabricating said part from said metallurgically bonded clad layer, said base layer and said interlayer. 
   
     
     
         2 . The part according to  claim 1 , wherein said interlayer is made from titanium. 
     
     
         3 . The part according to  claim 1 , wherein said base layer is made from steel. 
     
     
         4 . The part according to  claim 1 , wherein said clad layer is comprised of aluminum with a purity less than 99%. 
     
     
         5 . The part according to  claim 1 , wherein said clad layer is comprised of an aluminum having a strength greater than 200 MPa. 
     
     
         6 . The part according to  claim 1 , wherein the method further comprises heat treating said clad layer after said rolling.