A method of joining a first piece of an automotive component that is made from a first material to a second piece of the automotive component that is made from a second material includes machining a fay surface onto each of the first and second pieces of the automotive component, cleaning the fay surfaces of each of the first and second pieces of the automotive component, placing a metal filler between the fay surfaces of the first and second pieces of the automotive component, holding the first and second pieces together with the metal filler positioned between the fay surfaces of the first and second pieces, and passing an electric current through the first piece, the metal filler and the second piece to melt the metal filler and weld the first piece to the second piece.

A golf club head with a mitered joint for joining components of dissimilar materials is disclosed herein. The golf club head has a body with an internal edge defining a recess, and a face component having an internal edge. The face component is disposed over the recess. The internal edge of the body and the internal edge of the face have an angle ranging from 10 degrees to 45 degrees.

A golf club head with a mitered joint for joining components of dissimilar materials is disclosed herein. The golf club head has a body with an internal edge defining a recess, and a face component having an internal edge. The face component is disposed over the recess. The internal edge of the body and the internal edge of the face have an angle ranging from 10 degrees to 45 degrees.

A golf club head with a mitered joint for joining components of dissimilar materials is disclosed herein. The golf club head has a body with an internal edge defining a recess, and a face component having an internal edge. The face component is disposed over the recess. The internal edge of the body and the internal edge of the face have an angle ranging from about 10 degrees to about 80 degrees.

A golf club head with a mitered joint for joining components of dissimilar materials is disclosed herein. The golf club head has a body with an internal edge defining a recess, and a face component having an internal edge. The face component is disposed over the recess. The internal edge of the body and the internal edge of the face have an angle ranging from about 10 degrees to about 80 degrees.

A method for transient liquid phase bonding golf club head components is disclosed herein. Golf club components composed of dissimilar materials are joined using transient liquid phase bonding. One embodiment of the transient liquid phase bonding process joins a steel component to titanium component using a pure copper interlayer heated between the temperature of 870 C. to 1085 C. The interaction between the titanium and the copper forms a eutectic below the melt temperature of pure copper, transitions to a liquid phase, and joins the titanium component to the steel component upon cooling.