基本信息:
- 专利标题： 내연 기관용 피스톤 링재
- 专利标题（英）：Piston ring material for internal combustion engine
- 专利标题（中）：内燃机活塞环材料
- 申请号：KR1020087018602 申请日：2007-04-19
- 公开(公告)号：KR101038002B1 公开(公告)日：2011-05-30
- 发明人： 오이시가쓰히코 , 우에하라도시히로 , 구보타구니치카
- 申请人： 히타치 긴조쿠 가부시키가이샤
- 申请人地址： *-**, Konan *-chome, Minato-ku, Tokyo, Japan
- 专利权人： 히타치 긴조쿠 가부시키가이샤
- 当前专利权人： 히타치 긴조쿠 가부시키가이샤
- 当前专利权人地址： *-**, Konan *-chome, Minato-ku, Tokyo, Japan
- 代理人： 유미특허법인
- 优先权： JPJP-P-2006-00116254 2006-04-20
- 国际申请： PCT/JP2007/058482 2007-04-19
- 国际公布： WO2007123164 2007-11-01
- 主分类号： C22C38/18
- IPC分类号： C22C38/18 ; C22C38/00
그 포함되는 C, N, Cr의 관계가,
25≤43.22C(%)+42.45N(%)-0.02Cr(%)≤40, 또한
0.15≤0.92C(%)+0.67N(%)-0.03Cr(%)≤0.30
의 식을 만족하는 내연 기관용 나사 톤 링재가 제공된다.
It is an object of the present invention maintains excellent overall properties When a piston ring product, and also to provide a piston ringjae having excellent workability and, in the shape stability during the piston ring manufacture wire. According to the invention, by mass%, C: more than 0.5%, less than 0.7%, Si: 1.0% or less, Mn: 1.0% or less, Cr: 12.0 ~ 16.0%, Mo and / or W (Mo + 1 / 2W) : 3.0%, N: contains 0.02 ~ 0.14%, the rest is a piston for an internal combustion engine ringjae consisting of Fe and unavoidable impurities, The relationship of the contained C, N, Cr, 25≤43.22C (%) + 42.45N (%) - 0.02Cr (%) ≤40, also 0.15≤0.92C (%) + 0.67N (%) - 0.03Cr (%) ≤0.30 Expression for an internal combustion engine is provided with a screw that meets the tone ring material.
公开/授权文献:
- KR1020080090482A 내연 기관용 피스톤 링재 公开/授权日：2008-10-08
信息查询:
EspacenetIPC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 |
| --------C22C38/18 | .含铬的 |