| 镀银镍粉/硅橡胶高导电复合材料的制备及性能研究 |
| a) 22.2% b) 33.4%c) 41.2% d) 46.2% |
| 投稿时间：2017-08-01 修订日期：2017-08-01 |
| DOI： |
| 中文关键词: 镀银镍粉 硅橡胶 导电稳定性 电磁屏蔽效能 电化学腐蚀 |
| 英文关键词: silver-coated nickel silicone rubber conductive stability shielding effectiveness galvanic corrosion |
| 基金项目: |
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| 中文摘要: |
| 研究镀银镍粉体积分数对镀银镍粉/硅橡胶导电复合材料性能的影响。结果表明,随着镀银镍粉体积分数的增大,导电橡胶复合材料的邵A硬度增大,拉断伸长率快速减小,体积电阻率减小并存在明显的逾渗现象。当镀银镍粉填充硅橡胶的体积分数为44.0%时,导电橡胶复合材料具有较好的导电稳定性和优异的电磁屏蔽效能,但耐电化学腐蚀性能较差。 |
| 英文摘要: |
| The effect of the volume fraction of silver-plated nickel powder on the properties of silver-plated nickel powder / silicone rubber conductive composites was studied. The results show that the tensile strength of the conductive rubber composites increases, the elongation at break increases rapidly, the percolation threshold of the volume resistivity appears with the increase of the volume fraction of silver - nickel powder. When the volume fraction of silver-filled nickel powder is 44.0%, the conductive rubber composites have the characteristics of better electrical stability , excellent shielding performance but poor electrochemical corrosion resistance. |
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