Patent ID: 11919087
Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C  E | IPC B  E

Claim 0:
1. A multi-metallic ram for a blowout preventer (BOP), the multi-metallic ram comprising:
a first portion formed from a first metal alloy;
a second portion formed from a second metal alloy;
a metal boundary layer present along an interface between the first metal alloy and the second metal alloy to enable the first metal alloy to form opposed exterior surfaces of a first section of the multi-metallic ram, and to enable the second metal alloy to form an interior in the first section between the opposed exterior surfaces of the first section of the multi-metallic ram, wherein the second metal alloy defines an outer surface of a second section of the multi-metallic ram; and
a diffusion bond at the interface between the first metal alloy and the second metal alloy that joins the first metal alloy to the second metal alloy within the multi-metallic ram.