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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >Processing and characterization of phosphate glass fiber/polylactic acid commingled yarn composites for commercial production
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Processing and characterization of phosphate glass fiber/polylactic acid commingled yarn composites for commercial production

机译：磷酸盐玻璃纤维/聚乳酸混合纱线复合材料进行商业生产的处理与表征

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This study investigated the production of phosphate glass fiber/polylactic acid (PGF/PLA) commingled yarns, textiles and composites for biomedical applications. The PGF volume contents of the composites investigated were 25% and 40%. Plain weave textiles with yarn counts of 10 warp/cm and 6 weft/cm were produced using a commercial weaving machine. An orthogonal array design (OAD) was employed as a statistical method to investigate the effects of compression molding parameters (processing temperature, preheating time, compression time, and pressure) on flexural strength and porosity of PGF/PLA textile composites. Processing temperature showed the most significant effect in achieving maximum laminate flexural strength and molecular weight of PLA. Processing models were developed using regression techniques to predict the laminate flexural strength and the molecular weight of PLA. Composites with fiber contents of 25 and 40 vol% produced using optimized processing conditions identified by the processing models, provided flexural strengths of 236 MPa and 293 MPa, respectively.
机译：本研究调查了用于生物医学应用的磷酸盐玻璃纤维/聚乳酸（PGF/PLA）混合纱线、纺织品和复合材料的生产。所研究的复合材料的PGF体积含量分别为25%和40%。用商用织机生产纱线数为10经/cm和6纬/cm的平纹织物。采用正交设计（OAD）作为统计方法，研究了压缩成型参数（加工温度、预热时间、压缩时间和压力）对PGF/PLA纺织复合材料弯曲强度和孔隙率的影响。加工温度对获得最大层压板弯曲强度和PLA分子量的影响最为显著。使用回归技术开发了加工模型，以预测层压板的弯曲强度和PLA的分子量。使用加工模型确定的优化加工条件生产的纤维含量分别为25%和40%的复合材料的弯曲强度分别为236 MPa和293 MPa。

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