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短切碳纤维与工程机械翻新轮胎胎面胶复合强化技术

, PP. 120-126

Keywords: 机械工程,短切碳纤维翻新轮胎,性能测试,粘合体系,复合强化

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Abstract:

?为了增强工程机械翻新轮胎胎面的耐切割、抗崩花掉块及耐磨等性能,根据复合强化理论,将短切碳纤维材料和工程机械翻新轮胎胎面橡胶材料的应用相关联,设计了适合短切碳纤维增强体和胎面橡胶基体的粘合体系,及合适的短切碳纤维增强胎面橡胶的配方和共混工艺,并在翻新轮胎胎面胶中添加不同长度和质量分数的短切碳纤维,对增强后的胎面橡胶进行了拉伸强度、撕裂强度、弹性模量、断裂伸长率、硬度、阿克隆磨耗等性能测试,并与未添加短切碳纤维的普通胎面橡胶进行了性能对比。研究结果表明:当短切碳纤维长度在6mm、质量分数在7%左右时,对胎面橡胶的增强效果最为明显。通过实际应用验证,设计的短切碳纤维增强工程机械翻新轮胎胎面的耐切割、抗崩花掉块及耐磨等性能较普通翻新轮胎有了较大的提高,工程机械翻新轮胎的使用寿命得到进一步提升。

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