发明申请
WO2022265639A1 STEEL ALLOY AND METHOD OF MANUFACTURE EXHIBITING ENHANCED COMBINATION OF HIGH TEMPERATURE STRENGTH, OXIDATION RESISTANCE, AND THERMAL CONDUCTIVITY
审中-公开
基本信息:
- 专利标题： STEEL ALLOY AND METHOD OF MANUFACTURE EXHIBITING ENHANCED COMBINATION OF HIGH TEMPERATURE STRENGTH, OXIDATION RESISTANCE, AND THERMAL CONDUCTIVITY
- 申请号：PCT/US2021/037785 申请日：2021-06-17
- 公开(公告)号：WO2022265639A1 公开(公告)日：2022-12-22
- 发明人： CHEN, Yong-Ching , MA, Quancang , SAVAGE, Howard S. , ZHOU, Jian , PIERCE, Dean T. , MURALIDHARAN, Govindarajan , HAYNES, James Allen
- 申请人： CUMMINS INC. , UT-BATTELLE, LLC
- 申请人地址： 500 Jackson Street; P.O. Box 2008
- 专利权人： CUMMINS INC.,UT-BATTELLE, LLC
- 当前专利权人： CUMMINS INC.,UT-BATTELLE, LLC
- 当前专利权人地址： 500 Jackson Street; P.O. Box 2008
- 代理机构： LINDER, Walter C.
- 主分类号： C21D1/18
- IPC分类号： C21D1/18 ; C21D7/13 ; C21D8/00 ; C22C14/00
摘要：
A steel alloy with unique and superior combinations of properties such as elevated temperature strength, oxidation resistance, thermal conductivity and wear resistance. Disclosed embodiments comprise or substantially consist of: C in an amount of 0.2 – 0.45 weight %; Si in an amount of 0.6 – 1.1 weight %; Mn in an amount of ≤ 1.1 weight %; Cr in an amount of 2.5 – 4.0 weight %; one or both of Mo or W, a combined amount of the Mo or W ≤ 0.9 weight %; Ti in an amount of 0.035 – 0.14 weight %; V in an amount of 0.18 – 1.1 weight % and the balance being Fe and usual impurities.
IPC结构图谱:
| C | 化学；冶金 |
| --C21 | 铁的冶金 |
| ----C21D | 改变黑色金属的物理结构；黑色或有色金属或合金热处理用的一般设备；通过脱碳、回火或其他处理使金属具有韧性 |
| ------C21D1/00 | 热处理的一般方法或设备，例如退火、硬化、淬火、回火 |
| --------C21D1/18 | .硬化（C21D1/02优先）；随后回火或不回火的淬火 |