Invention Application
- Patent Title: METHODS FOR ADDITIVELY MANUFACTURING TURBINE ENGINE COMPONENTS VIA BINDER JET PRINTING WITH GAMMA PRIME PRECIPITATION HARDENED NICKEL-BASED SUPERALLOYS
-
Application No.: US15901160Application Date: 2018-02-21
-
Publication No.: US20190255609A1Publication Date: 2019-08-22
- Inventor: Donald G. Godfrey , Brian G. Baughman , Morgan A. Mader , Mark C. Morris
- Applicant: HONEYWELL INTERNATIONAL INC.
- Applicant Address: US NJ Morris Plains
- Assignee: HONEYWELL INTERNATIONAL INC.
- Current Assignee: HONEYWELL INTERNATIONAL INC.
- Current Assignee Address: US NJ Morris Plains
- Main IPC: B22F3/00
- IPC: B22F3/00 ; B22F3/24 ; B22F5/04 ; B33Y10/00 ; B33Y80/00 ; C22C19/05 ; B33Y70/00 ; F01D5/14 ; F01D5/28 ; F01D9/02

Abstract:
Methods for manufacturing an article include providing a three-dimensional computer model of the article and providing a metal alloy in powdered form. The metal alloy is a gamma prime precipitation hardened nickel-based superalloy. The powdered form includes a grain size range of about 5 to about 22 microns and a d50 grain size average of about 10 to about 13 microns. The methods further include, at a binder jet printing apparatus, supplying the metal alloy and loading the three-dimensional model, and, using the binder jet printing apparatus, manufacturing the article in accordance with the loaded three-dimensional model in a layer-by-layer manner with the supplied metal alloy. A liquid binder is applied at each layer, and each layer has a thickness of about 10 to about 150 microns. The methods avoid remelting of the metal alloy and avoid metal alloy cooling rates of greater than about 100° F. per minute.
Information query