| 热酸环境对氟橡胶性能的影响 |
| Effect of Hot Acid Environment on Properties of Fluororubber |
| 投稿时间：2018-03-07 修订日期：2018-03-07 |
| DOI：10.12136/j.issn.1000-890X.2019.04.0260 |
| 中文关键词: 氟橡胶 盐酸浸泡 硫酸钡 热性能 拉伸性能 表面形貌 |
| 英文关键词: fluororubber hydrochloric acid immersion barium sulfate thermal performance tensile property surface morphology |
| 基金项目:国家自然科学基金资助项目（515473098，51173110） |
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| 中文摘要: |
| 246型氟橡胶进行热酸（80 ℃的质量分数为0.05的盐酸溶液）浸泡腐蚀试验，并对浸泡前后的试样进行热性能、拉伸性能测试及表面形貌观察。结果表明：热酸浸泡对氟橡胶的热性能影响不大，试样的拉伸性能下降，表面由光滑变粗糙，并形成了大小不一的孔洞；硫酸钡填料的加入对氟橡胶的热酸腐蚀有抑制作用。 |
| 英文摘要: |
| Hot acid immersion corrosion experiments were carried out on fluororubber 246 using hydrochloric acid solution with a mass fraction of 0.05 hydrochloric acid at 80 ℃. The thermal performance，tensile properties and surface morphology of the samples before and after immersion were tested. The results showed that，the hot hydrochloric acid immersion had little influence on the thermal performance of the sample，and the tensile properties decreased. The smooth sample surface became rough from smooth after acid immersion，and holes with different size were formed on the sample surface. The addition of barium sulfate could inhibit the corrosion of hot hydrochloric acid. |
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