MUMBAI, India, Nov. 21 -- Intellectual Property India has published a patent application (202517097847 A) filed by Jfe Steel Corporation, Tokyo, on Oct. 10, for 'method for joining stainless steel and copper or copper alloy, and joined body of stainless steel and copper or copper alloy and method for producing same.'
Inventor(s) include Hoshi Daiki; and Nishida Shuji.
The application for the patent was published on Nov. 21, under issue no. 47/2025.
According to the abstract released by the Intellectual Property India: "The present invention provides a simple method for joining stainless steel and copper or a copper alloy at low cost, the method being able to be carried out in the atmosphere. According to the present invention, Sn or an Sn alloy having an Sn content of 40% by mass or more is used as a joining metal. In the joining step, the copper or the copper alloy is heated by a heating device, and the stainless steel and the copper or the copper alloy are joined with each other by melting the joining metal while heating the stainless steel by means of heat transfer from the copper or the copper alloy. The highest temperature reached by the stainless steel is 350 C or less, and the residence time in the temperature range of 150 C or higher of the stainless steel is 5 seconds to 5 minutes inclusive."
The patent application was internationally filed on Apr. 05, 2024, under International application No.PCT/JP2024/014175.
Disclaimer: Curated by HT Syndication.
