全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

Nomex蜂窝夹层结构真空袋共固化过程蜂窝变形

, PP. 29-35

Keywords: 蜂窝夹层结构,共固化工艺,芯材变形,芯材内压

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对蜂窝夹层板的共固化工艺,以玻璃纤维120斜纹织物/环氧5224体系为面板,以Nomex蜂窝为夹芯材料,研究了蜂窝侧向抗压刚度的影响因素,并通过自行建立的成型过程气压测试装置,分析了芯材内压的影响因素及蜂窝的变形情况。结果表明:对于孔格边长和芯材高度较大的情况,蜂窝侧向抗压能力较小,在真空压力的作用下容易发生变形;芯材内压与芯材内气体的膨胀和预浸料铺层的渗透性直接相关,因此芯材内压受温度制度、预浸料层数和胶膜影响较大;芯材内压对抵抗蜂窝变形起到重要作用,预浸料凝胶前较大的芯材内压有利于抑制蜂窝变形的发生。

References

[1]  [ 1 ] Zeng S , Seferis J C , Ahn KJ , Pederson C L. Mode test panel for processing and characterization studies of honeycomb composite st ructures [ J ] . Journal of Advanced Materials ,1994 , 25 (2) : 9-21. 原崇新, 李敏, 顾轶卓, 张佐光. 蜂窝夹层结构真空袋共固化工艺过程实验研究 [ J ] . 复合材料学报 , 2008 , 25 (2) :
[2]  57 -62 .
[3]  Yuan Chongxin , Li Min , Gu Yizhuo , Zhang Zuoguang.Experimental st udy of t he cocure process wit h t he vacuum bag met hod for honeycomb sandwich st ructure [J ] . Acta Materiae Compositae Sinica , 2008 , 25 (2) : 57-62.
[4]  [ 3 ] 盛 磊. 蜂窝夹层结构芯子塌陷的工艺分析 [J ] . 航天工艺 ,1994 (6) : 27-30.
[5]  Sheng Lei . Core crush study of honeycomb sandwich st ructure[J ] . Aerospace Manufacturing Technology , 1994 (6) : 27-30.
[6]  [ 4 ] Hsiao H M , Lee S M , Buyny R A. Core crush problem in manufacturing of composite sandwich st ructures : Mechanisms and solutions [J ] . AIAA Journal , 2006 , 44 (4) : 901-907.
[7]  [ 5 ] Renn D J , Tulleau T , Seferis J C. Composite honeycomb core crush in relation to internal pressure measurement [ J ] .Journal of Advanced Materials , 1995 , 27 (1) : 31-40.
[8]  [ 6 ] Buyny Robert A , Martin Cary J . Elimination of core crush in sandwich st ructures : Material and autoclave process options[ C ] ∥ International SAMPE Symposium and Exhibition( Proceedings , Vol 49 ) . Long Beach , CA , United States :Society for t he Advancement of Material and Process Engineering , 2004 : 3023-3027.
[9]  [ 7 ] Martin C J , Seferis J C. Frictional resistance of t hermoset prepregs and it s influence on honeycomb composite processing [J ] . Composites Part A , 1996 , 27 (10) : 943-951.
[10]  [ 8 ] Martin C J . Effect of impregnation condition on prepreg properties and honeycomb core crush [J ] . Polymer
[11]  Composite , 1997 , 18 (1) : 90-99.
[12]  [ 9 ]  Hsiao H M , Lee S M , Buyny R A , et al . Core2crush resistant fabric and prepreg for fiber reinforced composite sandwich st ructures : US , 6261675 [ P] . 2001-07-17.
[13]  [ 10 ] Pelton T L , Schneider , T L , Martin R. Material factors influencing composite part producibility in relation to prepreg f rictional measurement [ C ] ∥ 31st International Technical Conference (Vol 31) . Covina , CA , United States : Society for t he Advancement of Material and Process Engineering , 1999 :463-477.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133