经氧玻璃复合材料的硬度和冲击强度之间的关系 经氧玻璃复合材料与MDF热解中的碳化物改性
Agata Wieczorska1, Sebastian Drewing1
1Faculty of Marine Engineering, Gdynia Maritime University, Morska St. 81-87, 81-225 Gdynia, Poland.
Materials (Basel, Switzerland)
|January 10, 2026
概括
将中密纤维板 (MDF) 废弃物中的碳化物添加到环氧玻璃复合材料中,增加了硬度,但降低了抗冲击能力. 具有7.5%碳酸盐的最佳复合材料具有高硬度和中等冲击强度.
科学领域:
- 材料科学 材料科学 材料科学
- 复合材料 复合材料 复合材料
- 废物价值化 废物价值化 废物价值化
背景情况:
- 中密度纤维板 (MDF) 废弃物存在处理方面的挑战.
- 聚氧化MDF废弃物可以产生碳化物,一种潜在的填充材料.
- 环氧玻璃复合材料广泛使用,但可以增强特定性能.
研究的目的:
- 为了评估含有MDF废弃物衍生碳酸盐的环氧玻璃层材的机械性能.
- 研究碳酸盐含量和颗粒大小对硬度和抗冲击性能的影响.
- 为了确定最佳的复合材料配方,以提高刚性和一致性.
主要方法:
- 使用手工铺设方法制备的复合样本具有不同的树脂增强比率 (60/40,65/35) 和碳酸盐含量 (5%,7.5%).
- 通过Barcol硬度和Charpy冲击测试评估的机械性能.
- 统计分析包括沙皮罗-威尔克正常性测试和克鲁斯卡尔-瓦利斯非参数ANOVA.
主要成果:
- 增加的碳酸盐含量导致了更高的表面硬度,但降低了抗冲击能力.
- 一种含有7.5%碳酸盐和60/40树脂增强比率的复合材料表现出最高硬度 (35.19HBa) 和中等冲击强度 (43.56kJ/m2).
- 统计分析证实了显著的差异和硬度与冲击强度之间的权衡.
结论:
- 来自MDF废物的碳化物是一种可持续的填充剂,可以提高环氧玻璃复合材料的刚性和一致性.
- 这项研究证明了废物回收成功能复合材料的可行方法.
- 最佳的配方平衡了改善的刚性与适合特定应用的可接受的抗冲击性.
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