【摘 要】
：
采用Design-expert软件设计预制体不同针刺成型参数组合试验,研究预制体针刺成型参数对针刺碳/碳（C/C）复合材料拉伸强度的影响,并构建了响应曲面数学模型,实现对针刺C/C复合材
【机 构】
：
西北工业大学凝固技术国家重点实验室,西安航天复合材料研究所
论文部分内容阅读
采用Design-expert软件设计预制体不同针刺成型参数组合试验,研究预制体针刺成型参数对针刺碳/碳（C/C）复合材料拉伸强度的影响,并构建了响应曲面数学模型,实现对针刺C/C复合材料拉伸强度的优化与预测,其模型显著性P=0.0206,各试验实测值与预测值相对误差≤10.82%,模型具有较高的拟合度。响应曲面回归分析表明：针刺深度对拉伸强度有极显著影响,针刺密度对拉伸强度有显著影响,在本研究的针刺成型参数取值范围内,拉伸强度的预测区间为42.31~91.87 MPa。通过模型优化出的针刺成型参数组合为
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