
基本信息:
- 专利标题: 碳氮共渗轴承部件
- 专利标题(英):Carbonitrided bearing member
- 申请号:CN201580041247.0 申请日:2015-07-29
- 公开(公告)号:CN106574338A 公开(公告)日:2017-04-19
- 发明人: 根石豊 , 铃木崇久 , 小山达也 , 山崎真吾 , 金谷康平 , 佐田隆
- 申请人: 新日铁住金株式会社 , 株式会社捷太格特
- 申请人地址: 日本东京都;
- 专利权人: 新日铁住金株式会社,株式会社捷太格特
- 当前专利权人: 日本制铁株式会社,株式会社捷太格特
- 当前专利权人地址: 日本东京都;
- 代理机构: 北京林达刘知识产权代理事务所
- 代理人: 刘新宇; 李茂家
- 优先权: 2014-153944 20140729 JP
- 国际申请: PCT/JP2015/003797 2015.07.29
- 国际公布: WO2016/017160 JA 2016.02.04
- 进入国家日期: 2017-01-24
- 主分类号: C22C38/00
- IPC分类号: C22C38/00 ; C21D1/06 ; C21D9/40 ; C22C38/24 ; C22C38/54 ; C23C8/32 ; C23C8/80 ; F16C33/62
Provided is a carbonitrided bearing member that has high hardenability and high toughness and that has excellent abrasion resistance and excellent surface-origin peeling life. According to the present embodiment, the carbonitrided bearing member contains, by mass%, 0.15%-0.45% of C, 0.50% or less of Si, 0.40%-1.50% of Mn, 0.015% or less of P, 0.005% or less of S, 0.30%-2.0% of Cr, 0.10%-0.35% of Mo, 0.20%-0.40% of V, 0.005%-0.10% of Al, 0.030% or less of N, and 0.0015% or less of O, the remainder comprising Fe and impurities, and satisfies formula (1) and formula (2). The surface concentration of C is 0.7%-1.2%, the surface concentration of N is 0.15%-0.6%, and the Rockwell hardness (HRC) is 58-65. (1) ... 1.20 < 0.4Cr +0.4Mo+4.5V < 2.60 (2)... 2.7C + 0.4Si + Mn + 0.8Cr + Mo + V > 2.20
公开/授权文献:
- CN106574338B 碳氮共渗轴承部件 公开/授权日:2018-07-10
IPC结构图谱:
C | 化学;冶金 |
--C22 | 冶金(铁的冶金入C21);黑色或有色金属合金;合金或有色金属的处理 |
----C22C | 合金 |
------C22C38/00 | 铁基合金,例如合金钢 |