Modeling resin transfer molding of polyimide (PMR-15)/fiber composites

1993 ◽  
Vol 14 (6) ◽  
pp. 524-528 ◽  
Author(s):  
Albert W. Chan ◽  
Sun-tak Hwang
Keyword(s):  
Resin Transfer Molding ◽  
Fiber Composites ◽  
Transfer Molding

scholarly journals Porosity Reduction in the High-Speed Processing of Glass-Fiber Composites by Resin Transfer Molding (RTM)

2004 ◽  
Vol 38 (3) ◽  
pp. 195-226 ◽  
Author(s):  
Harry J. Barraza ◽  
Youssef K. Hamidib ◽  
Levent Aktasb, ◽  
Edgar A. O’Rear ◽  
M. C. Altan
Keyword(s):  
Glass Fiber ◽  
High Speed ◽  
Resin Transfer Molding ◽  
Fiber Composites ◽  
Transfer Molding ◽  
Glass Fiber Composites ◽  
Porosity Reduction

High-Performance Natural Fiber Composites Made from Technical Flax Textiles and Manufactured by Resin Transfer Molding

2017 ◽  
Vol 742 ◽  
pp. 263-270
Author(s):  
Stefan Pichler ◽  
Günter Wuzella ◽  
Thomas Hardt-Stremayr ◽  
Arunjunai Raj Mahendran ◽  
Herfried Lammer
Keyword(s):  
Water Absorption ◽  
High Performance ◽  
Natural Fiber ◽  
Volume Fraction ◽  
Resin Transfer Molding ◽  
Fiber Composites ◽  
Water Bath ◽  
Flexural Properties ◽  
Natural Fiber Composites ◽  
Transfer Molding

In the present work it is shown that the resin transfer molding (RTM) is a beneficial technique to manufacture natural fibers into high-performance natural fiber composites. At first, three different types of weaves were produced by using low-twist flax yarns and standard-twisted flax yarns. Laminates based on the weaves and a petrochemical derived epoxy thermoset were fabricated by RTM process. For each laminate different numbers of plies (4, 5, 6, and 7) were used to achieve a broad range of vf (from 32 % up to 55 %) which are having a pore volume fraction, vp, as low as possible (min. 0.7 % - max. 2.7 %). For the laminates, flexural properties in warp and weft direction were determined (ISO 14125) and the effect of respective yarn type on flexural properties was investigated. The best properties were achieved for the laminate based on weave2 with vf = 55 % (strength=303 MPa, modulus=19.3 GPa). When laminates were tested again after half of the year the modulus and strength were reduced, but the strainincreased. The laminates were immersed into a water bath (ASTM D570) to test the influence of vf and vp on the water absorption behavior. The maximum water uptake (4-7 wt.-%) and the maximum thickness swelling (3-12 %) were observed for the samples with higher vf. Laminates based on weave1 were immersed again into the water bath to investigate the extent of deterioration of flexural properties with respect to water absorption at various time intervals. The laminates were tested immediately after removing from the water bath and after re-drying.

Mechanical Properties of Resin Reinforced Fiber-Ceramic-Fiber Composites Prepared by Vacuum Assisted Resin Transfer Molding

2020 ◽  
Vol 12 (3) ◽  
pp. 383-390
Author(s):  
Ling-Mei Kong ◽  
Xiao-Bing Wang ◽  
Wei Zheng ◽  
Guang-Da Wu ◽  
Yan-Yan Qi ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Resin Transfer Molding ◽  
Engineering Application ◽  
Fiber Composites ◽  
Ceramic Fiber ◽  
Transfer Molding ◽  
Reinforced Plastic ◽  
Reinforced Fiber ◽  
Panel Thickness ◽  
Good Agreement

Ceramic-fiber composites have important applications in protection field. In this work, the stable and reliable resin reinforced fiber-ceramic-fiber (RRFCF) composites with sandwich structure were prepared by using the vacuum assisted resin transfer molding (VARTM) process. The mechanical properties of the prepared RRFCF composites with different configurations were studied. Results showed that the thickness values of the glassfiber-reinforced plastic layers (panel thickness: ta and backplane thickness: tc) had significant influences on the unique mechanical properties of the RRFCF composites. The stress distribution of RRFCF composites with different configurations under loading was analyzed by simulation. The fatigue behaviors of Z-type (ta < tc) and F-type (ta > tc) RRFCF composites were investigated and found to be in good agreement with the simulated results. Moreover, the flexural strength and modulus of Z-type composites were obtained and found to be higher than those of F-type composites. These results have important guiding significance for the engineering application of RRFCF composites.

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