The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2005
Filed:
May. 17, 2001
Tomohide Takeuchi, Hikari, JP;
Koji Kono, Kitakyushu, JP;
Kiyoshi Sawano, Futtsu, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
The present invention relates to a ceramic plate material for side dams of a twin-drum strip caster, the ceramic plate material containing Al of 9 mass % or more in terms of Al equivalent and having the properties of; bending strength at room temperature of not less than 120 MPa, bending strength at 1,000° C. of not less than 65 MPa, hardness (Hv) of 50 to 350, fracture toughness Kat 1,000° C. of not less than 1 MPa·m, thermal conductivity in the temperature range from room temperature to 1,000° C. of not more than 8 W/(m·K), thermal shock resistance index R' of not less than 800 W/m, and wettability with molten steel (contact angle θ) of not less than 120°: and allows molten stainless steel to be continuously cast for a long period of time.