| 任俊辉,闫晓锋,赵 珂,魏 彤,殷冬冬.O形橡胶密封圈国际硬度的研究[J].橡胶科技,2025,23(2):0110-0113. |
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| O形橡胶密封圈国际硬度的研究 |
| Study on International Hardness of O-ring Rubber Seals |
| 投稿时间：2023-08-30 修订日期：2023-08-30 |
| DOI：10.12137/j.issn.2095-5448.2025.02.0110 |
| 中文关键词: O形密封圈 国际硬度 邵尔A型硬度 |
| 英文关键词: O-ring seal international hardness Shore A hardness |
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| 中文摘要: |
| 研究O形橡胶密封圈的国际硬度（IRHD），重点分析胶料的邵尔A型硬度与密封圈的IRHD之间的关系以及浸油前后密封圈IRHD的变化。结果表明：密封圈的IRHD取决于其相应胶料的邵尔A型硬度等级；随着浸油时间的延长，丁腈橡胶试5171密封圈的IRHD减小，且浸油4 h试验基本可反映密封圈的IRHD变化趋势。 |
| 英文摘要: |
| The international hardness（IRHD） of O-ring rubber seals was studied，and the relationship between the Shore A hardness of the rubber compound and the IRHD of the seals，as well as the changes in IRHD of the seals before and after immersion in oil were analyzed in detail.The results indicated that the IRHD of the seals depended on the Shore A hardness level of its corresponding rubber material.With the extension of oil immersion time，the IRHD of the NBR 5171 seals decreased and the 4 h oil immersion test could basically reflect the change trend of IRHD of the seals. |
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