发明名称 |
CAST PRODUCT HAVING ALUMINA BARRIER LAYER |
摘要 |
To provide a cast product having an alumina barrier layer and method for producing the same. A cast product having an alumina barrier layer of the present invention is a cast product in which an alumina barrier layer containing Al2O3 is formed on the surface of a cast body, and the cast body contains C: 0.3 mass % to 0.7 mass %, Si: 0.1 mass % to 1.5 mass %, Mn: 0.1 mass % to 3 mass %, Cr: 15 mass % to 40 mass %, Ni: 20 mass % to 55 mass %, Al: 2 mass % to 4 mass %, rare earth element: 0.005 mass % to 0.4 mass %, W: 0.5 mass % to 5 mass % and/or Mo: 0.1 mass % to 3 mass %, and 25 mass % or more of Fe in the remainder and an inevitable impurity, and 80 mass % or more of the rare earth element is La. |
申请公布号 |
US2014205802(A1) |
申请公布日期 |
2014.07.24 |
申请号 |
US201414220280 |
申请日期 |
2014.03.20 |
申请人 |
KUBOTA CORPORATION |
发明人 |
ENJO YOUHEI;HINENO MAKOTO;URAMARU SHINICHI;HASHIMOTO KUNIHIDE |
分类号 |
C23C8/10 |
主分类号 |
C23C8/10 |
代理机构 |
|
代理人 |
|
主权项 |
1. A cast product comprising a cast body having a surface formed with an alumina barrier layer containing Al2O3,
wherein the cast body contains C: 0.3 mass % to 0.7 mass %, Si: 0.1 mass % to 1.5 mass %, Mn: 0.1 mass % to 3 mass %, Cr: 15 mass % to 40 mass %, Ni: 20 mass % to 55 mass %, Al: 2 mass % to 4 mass %, rare earth element: 0.005 mass % to 0.4 mass %, W: 0.5 mass % to 5 mass % and/or Mo: 0.1 mass % to 3 mass %, and 25 mass % or more of Fe in the remainder and an inevitable impurity, and 80% or more of the rare earth element is La. |
地址 |
Osaka JP |