MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647108701 A) filed by Addman Intermediate Holdings, LLC on September 10, 2026, for Methods For In Situ Formation Of Disperoids Strengthened Refractory Alloy In 3d Printing And Additive Manufacturing.
Inventor includes Gao, Youping.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: Methods of fabricating objects using additive manufacturing are provided using pre-treated powders. In a first aspect, the methods create in situ dispersoids within the object to increase the oxygen content to between 500 ppm and 3000 ppm or to increase the nitrogen content to between 250 ppm and 1500 ppm. The pretreated powders are then formed into layers in an environmentally controlled chamber of an additive manufacturing machine. The quantity of refractory alloy powder is partially pretreated by exposure to the atmosphere for a selected period of time or in an inert atmosphere having oxygen and/or nitrogen introduced thereinto. The partially pretreated quantity of powder is then further pretreated in an inert atmosphere controlled chamber to raise the oxygen and/or nitrogen level to between about 250 ppm and 1000 ppm for nitrogen and between about 500 ppm and 2000 ppm for oxygen.
Disclaimer: Curated by HT Syndication.
