采用空气耦合超声无损检测仪,对部分浸润预浸料中树脂沿纤维层厚度方向的浸渍流动进行了实时检测研究.首先将部分浸润预浸料放置在真空袋中,然后固定在扫描机构上,抽真空,考察在一个大气压作用下不同时刻树脂的浸润流动情况,通过C扫描图片实时、快速检测出树脂的浸润流动变化,并应用达西定律计算了碳纤维网架的渗透率.同时,将观察区域截取试样制备成金相分析试样,通过显微分析验证了C扫描图像分析的准确性.结果表明,空气耦合超声C扫描方法是检测预浸料中树脂沿纤维层厚度方向流动的一种快速和有效的方法.
参考文献
| [1] | Thorfinnson B,Biermann T F.Degree of impregnation of prepregs effect on porosity[C]//Ralph C.32nd International SAMPE Symposium and Exhibition.Anaheim Convention Center:SAMPE International Business Office,1987:1500-1509. |
| [2] | 廉伟.非热压罐工艺在飞机复合材料低成本制造中前景广阔[J].国际航空,2011,23(10):64-66.Lian Wei.Broad prospects of the out-of-autoclave process in the low-cost manufacturing of composite aircraft[J].International Aviation,2011,23(10):64-66. |
| [3] | Breitigam W V,Bauer R S,May C.Novel processing and cure of epoxy resin systems[J].Polymer,1993,34(4):767-771. |
| [4] | Hartness J T,Xu G F.Resin composition,a fiber reinforced material having a partially impregnated resin and composites made therefrom:US Patent,6139942[P].2000-10-30. |
| [5] | Xu G F,Repecka L,Mortimer S,Peake S,Boyd J.Manufacture of void-free laminates and use thereof:US Patent,6391436[P].2002-05-20. |
| [6] | Steele M,Corden T.New prepregs for cost effective out-ofautoclave tool and component manufacture[J].SAMPE Journal,2004,40 (2):30-34. |
| [7] | Hirschbuehler K R.An advanced composite resin offering flexibility in processing conditions[C]// Glenn C G.37th International SAMPE Symposium and Exhibition.California:The Society for the Advancement of Material and Process Engineering,1992:452-461. |
| [8] | Schmachtenberg E,Schulte Z J,T(o)pker H J.Application of ultrasonics for the processcontrol of resin transfer moulding (RTM)[J].Polymer Testing,2005,24(3):330-338. |
| [9] | Klosterman D A,Saliba T E.Development of an on-line,insitu fiber-optic void sensor[J].Journal of Thermoplastic Composite Materials,1994,7(3):219-229. |
| [10] | Drapier S,Monatte J,Elbouazzaoui O,Henrat P.Characterization of transient through-thickness permeabilities of non crimp new concept (NC2) multiaxial fabrics[J].Composites Part A:Applied Science and Manufacturing,2005,36 (7):877-892. |
| [11] | Thomas S,Nutt S R,Bongiovanni C.In situ estimation of throughthickness resin flow using ultrasound[J].Composites Science and Technology,2008,68(15/16):3093-3098. |
| [12] | St(o)ven T,Weyrauch F,Mitschang P,Neitzel M.Continuous monitoring of three-dimensional resin flow through a fiber perform[J].Composites Part A:Applied Science and Manufacturing,2003,34(6):475-480. |
| [13] | Rao M V,Samuel R,Ananthan A,Dasgupta S,Nair P S.NDE studies on spacecraft structural components using air coupled ultrasonic and thermography teehniques[C]//Indian Society for Non-Destructive Testing.Proc National Seminar on Non-Destructive Evaluation.Indian:Spyware & Trojans,2006,TP-86:1-6. |
| [14] | Renaldas R S,Rymantas K,Egidijus Z,Liudas M.Ultrasonic air-coupled testing of square-shape CFRP composite rods by means of guided waves[J].NDT & E International,2011,44(7):645-654. |
| [15] | Ka(z)ys R,Demenko A,Ma(z)eika L,(S)literis R,(Z)ukauskas E.Air-coupled ultrasonic non-destructive testing of aerospace components[J].Insight,2007,49 (4):195-199. |
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%