Patent ID: 11969783
Assignee: MAGNA INTERNATIONAL INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C  Y | IPC B

Claim 12:
13. A method of manufacturing a component for a vehicle, the method comprising the steps of:
pouring molten aluminum or aluminum alloy into a shot sleeve coupled to a cavity of a die casting apparatus, the shot sleeve including: a body extending circumferentially around a center axis and longitudinally from a first end to a second end; the body presenting a body inner surface and a body outer surface; the body including a pouring hole; an insert located opposite the pouring hole; the insert comprising a base layer, an inner layer, and at least one middle layer between the base layer and the inner layer; the inner layer presenting an insert inner surface adjacent the body inner surface; the base layer including metal; the inner layer including ceramic; the at least one middle layer including metal in an amount greater than an amount of metal in the inner layer; and the at least one middle layer including ceramic in an amount less than an amount of the ceramic in the inner layer;
wherein the metal of the base layer and the metal of the at least one middle layer includes steel; the metal of the at least one middle layer further includes an alloy of chromium, iron, and molybdenum; and the ceramic of the at least one middle layer and the ceramic of the inner layer includes zirconium oxide; and
forming the molten aluminum or aluminum alloy in the cavity of the die casting apparatus.