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

Claim 10:
11. A method of manufacturing a shot sleeve of a die casting apparatus, comprising the steps of:
manufacturing an insert by an additive manufacturing process, the additive manufacturing process including:
forming a base layer including metal;
forming at least one middle layer on the base layer;
forming an inner layer including ceramic on the at least one middle layer, 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;
coupling the insert to a body of a shot sleeve extending circumferentially around a center axis and including a pouring hole; and
wherein the insert is disposed opposite the pouring hole.