公开(公告)号：US20240033824A1

公开(公告)日：2024-02-01

申请号：US18265785

申请日：2021-12-08

Applicant: RENISHAW PLC

Inventor： Mathieu BROCHU ,  Tejas RAMAKRISHNAN ,  Sunyong KWON

IPC: B22F10/28 ,  B22F10/50 ,  B33Y10/00 ,  B33Y40/10 ,  C22C27/04 ,  B33Y70/00

CPC classification number: B22F10/28 ,  B22F10/50 ,  B33Y10/00 ,  B33Y40/10 ,  C22C27/04 ,  B33Y70/00 ,  B22F2998/10 ,  B22F2201/02 ,  B22F2201/10 ,  B22F2201/03 ,  B22F2999/00 ,  B22F2301/20

Abstract: A method produces a workpiece including molybdenum, or tungsten, or chromium, or molybdenum alloy, or tungsten alloy, or chromium alloy by selective consolidation of successive layers of powder by an energy beam. The method includes performing the selective consolidation of the powder layer in a protective atmosphere including nitrogen.