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Z-pin增强陶瓷基复合材料I型应变能释放率 被引量：4

Mode I Strain Energy Release Rate of Z-pin Reinforced CMC Laminate
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摘要 碳纤维平纹编织物和碳纤维Z-pin制备的预成型体,通过化学气相渗透(CVI)工艺制成Z-pin增强平纹编织陶瓷基复合材料层压板。通过双悬臂梁试验研究Z-pin增强平纹编织陶瓷基复合材料层压板的层间I型应变能释放率和增强机理。研究Z-pin面积密度对层间I型应变能释放率的影响。结果表明:Z-pin增强平纹编织陶瓷基复合材料层压板主要增强机理表现为层间裂纹扩展受阻,Z-pin与层压板界面解离,Z-pin桥联裂纹和Z-pin拔出;增大Z-pin面积密度,层间I型应变能释放率增大。 A preform consisting of plain woven carbon fabric and carbon fiber bundle Z-pins was prepared and then fabricated Z-pin reinforced plain-weave ceramic matrix composite （CMC） laminate by a chemical vapor infiltration （CVI）. The tests of double cantilever beam （DCB） were used on Z-pin reinforced plain-weave CMC laminates to investigate interlaminar mode I strain energy release rate and reinforced mechanisms. Effect of Z-pin areal density on interlaminar mode I strain energy release rate was studied. The results show that reinforced mechanisms of Z-pin plain-weave reinforced CMC laminate are mainly manifested as hindrance to interlaminar crack propagation, Z-pin and laminate interface debonding, crack bridging by Z-pins and Z-pins pullout, and that with the increase of Z-pins areal density interlaminar mode I strain energy release rate rises.
作者 刘韡 矫桂琼
机构地区 西北工业大学力学与土木建筑学院
出处 《材料科学与工程学报》 CAS CSCD 北大核心 2009年第3期381-384,共4页 Journal of Materials Science and Engineering
基金 高等学校博士学科点专项科研基金资助项目(20030699040)
关键词 陶瓷基复合材料 应变能释放率 双悬臂梁 Z-PIN ceramic matrix composites （CMC） strain energy release rate double cantilever beam （DCB） Z-pin
分类号 TB321 [一般工业技术—材料科学与工程]
  • 相关文献

参考文献11

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二级参考文献12

  • 1管国阳,矫桂琼,张增光.2D-C/SiC复合材料的宏观拉压特性和失效模式[J].复合材料学报,2005,22(4):81-85. 被引量：53
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共引文献11

同被引文献38

  • 1孙先念,刘书田.Z-pins几何分布对其增强复合材料双悬臂梁Ⅰ型层间韧性的影响[J].复合材料学报,2007,24(3):160-166. 被引量：11
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  • 3M Karal. AST Composite Wing Program-Executive Summary [R]. NASA/CR-2001-210650. Hampton, Virginia.
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  • 7D D R Cartie, Manos Troulis, I K Partridge. Delamination of Zpinned Carbon Fibre Reinforced Laminates [J]. Composites Science and Technology, 2006, 66: 855-861.
  • 8X Zhang, L Hounslow, M Grassi. Improvement of low-velocity impact and compression after impact performance by z-fibre pinning [J]. Composites Science and Technology, 2006, 66: 2785-2794.
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引证文献4

二级引证文献6

材料科学与工程学报
2009年 第3期

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