工艺与制造英文2021
双酚A树脂LP-1Q-EX流量对真空注入工艺制备木槿皮纤维复合材料拉伸强度的影响
PENGARUH DEBIT ALIRAN RESIN BISPHENOL A LP-1Q-EX PADA METODE VACUUM INFUSION RESIN TERHADAP KEKUATAN TARIK KOMPOSIT SERAT KULIT POHON WARU (HIBISCUS TILIACEUS)
Teddy Wicaksono Wicaksono, Akhmad Farid, Nova Risdiyanto Ismail, Arief Rizki Fadhillah
摘要整理
天然纤维复合材料研究正在全球范围内开展,以利用可再生天然纤维材料解决环境问题。本研究以木槿(Hibiscus tiliaceus)树皮纤维为增强体,双酚A树脂LP-1Q-EX为基体,采用真空注入树脂成型工艺制备复合材料,探究树脂流量对复合材料拉伸强度的影响。木槿树皮纤维经6% NaOH碱浸处理(质量比:水938.8 g,NaOH 61.2 g)120 min后使用,复合材料纤维与树脂质量比为60:40,单件复合材料含22根木槿皮纤维,厚度3.2 mm。采用真空注入树脂工艺制备复合材料,树脂流量分别设定为1.19 ml/s、3.66 ml/s、4.67 ml/s三个变量。按ASTM D638-03 Type I标准进行拉伸试验,并通过宏观摄影分析断口形貌。试验结果表明:树脂流量为1.19 ml/s时,复合材料拉伸强度最低,为282.94 MPa;流量为3.66 ml/s时,拉伸强度最高,达301.75 MPa;流量为4.67 ml/s时,拉伸强度为284.54 MPa。研究表明,在真空注入树脂工艺条件下,当树脂流量为3.66 ml/s时,木槿皮纤维复合材料获得最优拉伸强度。
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