Patent ID: 7552911

Claim:
A multi-part composite valve ( 1 ) for an internal combustion engine, wherein a steel valve shaft ( 2 ) and a Ti—Al valve plate ( 4 ) are separately produced and joined to each other in an overlap area ( 6 ), wherein the valve plate ( 4 ) is cast on-to the valve shaft ( 2 ), and wherein the valve shaft ( 2 ) in the overlap area ( 6 ) is provided, prior to the casting-on, at least partially with at least one intermediate layer ( 8 ) comprised of an Ag-base alloy and/or Ni-base alloy and/or Cu-base alloy or is constituted on the basis of a metal oxide, which subsequent to the casting-on is material-to-material bonded both to the valve shaft ( 2 ) and the valve plate ( 4 ) in the manner of a chemical bond.