公开(公告)号：US20240368737A1

公开(公告)日：2024-11-07

申请号：US18653412

申请日：2024-05-02

Applicant: Carpenter Technology Corporation

Inventor： Ning Zhou ,  Wesley Roth ,  Tao Wang ,  Gian Colombo ,  Mario Epler

IPC: C22C19/05 ,  C22C1/02

Abstract: A low coefficient of thermal expansion high strength alloy and methods of formation thereof, the alloy including: chromium 7 wt. % to 10 wt. %; molybdenum 20 wt. % to 25 wt. %; tungsten 4 wt. % to 7 wt. %; aluminum 0.5 wt. % to 2 wt. %; titanium 0.5 wt. % to 2 wt. %; boron 0.005 wt. % to 0.05 wt. %; niobium ≤3.9 wt. % tantalum ≤3.9 wt. % vanadium 0.1 wt. % to 4 wt. %; niobium, tantalum, and vanadium, in combination 0.1 wt. % to 4 wt. %; silicon