采用人工神经网络(ANN)对炭/炭复合材料烧蚀性能进行了预测.确定了炭/炭复合材料的密度、石墨化程度和基体炭类型为其烧蚀性能的关键控制因素,通过人工神经网络表征了炭/炭复合材料的密度、石墨化程度与其烧蚀性能之间的关系.在大量实验基础上对神经网络结构与参数发生变化时的网络性能进行了评估.结果表明,当网络训练集规模、隐层节点数、初始学习率与动量项等参数的取值分别为35、7、0.5和0.2时网络预测性能达到最佳状态,在此基础之上对炭/炭复合材料的质量烧蚀率进行了预测与评价.实践证明,采用人工神经网络对炭/炭复合材料的烧蚀性能进行预测时误差小于11%,满足工程实践的精度要求.
参考文献
| [1] | 李烁,徐元铭,张俊.基于神经网络响应面的复合材料结构优化设计[J].复合材料学报,2005,22(5):134-140.Li Shuo,Xu Yuanming,Zhang Jun.Composite structural optimization design based on neural network response surfaces[J].Acta Materiae Compositae Sinica,2005,22 (5):134-140. |
| [2] | 袁曾任.人工神经网络及其应用[M].北京:清华大学出版社,1999:1-10. |
| [3] | 胡守仁,沈清,胡德文,等.神经网络应用技术[M].长沙:国防科技大学出版社,1995:4,21-26. |
| [4] | 燕瑛,刘兵山,黄聪,成传贤.缝合复合材料面内面内刚度和强度的神经网络预测[J].复合材料学报,2004,21(6):179-183.Yan Ying,Liu Bingshan,Huang Cong,Cheng Chuanxian.Neural network predicting of stiffness and strength in plane of stitched composites[J].Acta Materiae Compositae Sinica,2004,21(6):179-183. |
| [5] | 华宏星,陈小琳,石银明.运用神经网络识别复合材料板刚度[J].复合材料学报,2000,17(1):108-110.Hua Hongxing,Chen Xiaolin,Shi Yinming.Composite plate stiffness identification using neural networks[J].Acta Materiae Compositae Sinica,2000,17(1):108-110. |
| [6] | 戴起勋,赵玉涛,戴起勋,等.材料科学研究方法[M].北京:国防工业出版社,2004:20-22. |
| [7] | 许正辉,朱良杰,王俊山.3DC/C材料用碳纤维的选择[J].宇航材料工艺,1996(2):67-68.Xu Zhenghui,Zhu Liangjie,Wang Junshan.Selection of carbon fiber for 3D C/C composite[J].Aerospace Materials & Technology,1996(2):67-68. |
| [8] | 匡松连,蔡建强,尚龙,余春安.碳纤维表面特性对防热材料烧蚀性能影响的研究[J].宇航材料工艺,2004(3):18-21.Kuang Songlian,Cai Jianqiang,Shang Long,Yu Chun'an.Effect of carbon fiber surface characteristic on ablation property of thermal protection materials[J].Aerospace Materials & Technology,2004(3):18-21. |
| [9] | Bahl O P,Manocha L M,刘杰.高密度炭/炭复合材料的发展[J].新型炭材料,1987(1):53-55.Bahl O P,Manocha L M,Liu Jie.Development of high density C/C composites[J].New Carbon Materials,1987(1):53-55. |
| [10] | 尹健,张红波,熊翔.C/C复合材料烧蚀性能的研究进展[J].粉末冶金材料科学与工程,2004,9(1):54-59.Yin Jian,Zhang Hongbo,Xiong Xiang.Research and development of ablative performance of C/C composites[J].Materials Science and Engineering of Powder Metallurgy,2004,9 (1):54-59. |
| [11] | 俞继军,马志强,姜贵庆,童秉纲.C/C复合材料烧蚀形貌测量及烧蚀机理分析[J].宇航材料工艺,2003(1):18-21.Yu Jijun,Ma Zhiqiang,Jiang Guiqing,Tong Binggang.Pattern surface measure and ablation analysis for C/C composite material[J].Aerospace Materials & Technology,2003 (1):18-21. |
| [12] | Ren Fen,Sun H S,Liu L Y.Theoretical analysis for mechanical erosion of carbon-base materials in ablation[J].Journal of Thermophysics and Heat Transfer,1996,10(4):593-597. |
| [13] | 张守阳,李贺军,李克智,孙军.C/C复合材料层间裂纹扩展研究[J].无机材料学报,2002,17(1):91-95.Zhang Shouyang,Li Hejun,Li Kezhi,Sun Jun.Interlayer crack extension mode in laminated carbon/carbon composites[J].Journal of Inorganic Materials,2002,17(1):91-95. |
| [14] | 丘哲明.固体火箭发动机材料与工艺[M].北京:宇航出版社,1995:334-338. |
| [15] | 刘建军,李铁虎,郝志彪.喉衬热环境与碳/碳复合材料的烧蚀[J].宇航材料工艺,2005(1):42-48.Liu Jianjun,Li Tiehu,Hao Zhibiao.Throat thermal ambient and ablation of C/C composites[J].Aerospace Materials & Technology,2005(1):42-48. |
| [16] | 冉宏星,崔红,郝志彪,李瑞珍,周绍建,等.炭基体结构状态对C/C复合材料抗烧蚀性能等影响[J].炭素,2002(4):20-25.Ran Hongxing,Cui Hong,Hao Zhibiao,Li Ruizhen,Zhou Shaojian,et al.Influence of carbon-matrix structure on antiablative performances of C/C composites[J].Carbon,2002(4):20-25. |
| [17] | 孙万昌,李贺军,卢锦花,白瑞成,黄勇.不同层次界面对C/C复合材料断裂行为的影响[J].无机材料学报,2005,20(6):1458-1462.Sun Wanchang,Li Hejun,Lu Jinhua,Bai Ruicheng,Huang Yong.Influence of interfaces on mechanical behavior of C/C composites by CLVI processing[J].Journal of Inorganic Materials,2005,20(6):1458-1462. |
| [18] | 黄玉东,朱惠光,孙文训,张志谦,王俊山,许正辉.细编穿刺C/C复合材料不同层次界面特性研究[J].复合材料学报,2000,17(1):56-59.Huang Yudong,Zhu Huiguang,Sun Wenxun,Zhang Zhiqian,Wang Junshan,Xu Zhenghui.Investigation on the interfacial characteristics in different gradation for fine weave pierced C/C composites[J].Acta Materiae Compositae Sinica,2000,17(1):56-59. |
| [19] | 汤中华,周桂芝,熊杰,邹志强.炭/炭复合材料石墨化度的XRD均峰位法测定[J].中国有色金属学报,2003,13(6):1435-1440.Tang Zhonghua,Zhou Guizhi,Xiong Jie,Zou Zhiqiang.Measurement of graphitization degree of carbon-carbon composites by average X-ray diffraction angle method[J].The Chinese Journal of Nonferrous Metals,2003,13 (6):1435-1440. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%