碳纖維單軸向縫編織物及其復合材料性能影響研究
發(fā)布時間:2018-12-14 00:51
【摘要】:以碳纖維單軸向縫編織物為研究對象,開展了樹脂體系及其復合工藝、織物結(jié)構(gòu)參數(shù)和碳纖維種類對碳纖維單軸向縫編織物使用工藝性及其復合材料主要力學性能的影響研究。結(jié)果表明:經(jīng)向碳纖維和襯緯材料的種類及其面密度等結(jié)構(gòu)參數(shù)對織物彎曲硬挺度和織物單向滲透率的影響規(guī)律基本相似;無論是碳纖維縫編織物單向滲透率還是復合材料的主要力學強度,真空吸附工藝中,基于TDE-85環(huán)氧樹脂的自制6#環(huán)氧樹脂體系均明顯優(yōu)于市售用基于雙酚A環(huán)氧樹脂的環(huán)氧樹脂體系;采用610A樹脂預浸料工藝、或經(jīng)向碳纖維的適當展紗、或干噴濕法紡絲技術(shù)制備的碳纖維,均有利于進一步提高碳纖維單軸向縫編織物復合材料的主要力學性能。這為碳纖維縫編織物結(jié)構(gòu)設(shè)計、主要原材料選擇、制備工藝、配套樹脂體系及其復合工藝等選擇優(yōu)化提供一些參考,為碳纖維縫編織物、尤其是為國產(chǎn)碳纖維縫編織物的制備和推廣應用奠定了良好基礎(chǔ)。
[Abstract]:Taking carbon fiber uniaxial seam knitted fabric as the research object, the resin system and its composite technology were studied. The effects of fabric structure parameters and carbon fiber type on the use of carbon fiber uniaxial seam knitted fabric and the main mechanical properties of composites were studied. The results show that the influence of structural parameters such as the types of warp carbon fiber and weft lining materials and their surface density on the bending stiffness and the unidirectional permeability of fabrics are similar. Whether it is the unidirectional permeability of carbon fiber sewn fabric or the main mechanical strength of composite material, in vacuum adsorption process, The self-made 6 # epoxy resin system based on TDE-85 epoxy resin is superior to the epoxy resin system based on bisphenol A epoxy resin. Using 610A resin prepreg process, or the proper yarn spread through the carbon fiber, or dry spray wet spinning technology to prepare carbon fiber, can further improve the main mechanical properties of carbon fiber uniaxial seam knitted fabric composites. This provides some references for the selection and optimization of fabric structure design, selection of main raw materials, preparation process, matching resin system and composite process, etc. In particular, it has laid a good foundation for the preparation, popularization and application of domestic carbon fiber knitted fabrics.
【作者單位】: 航天材料及工藝研究所;
【基金】:科技部863計劃資助項目(2012AA03A201)
【分類號】:TS106;TB33
本文編號:2377578
[Abstract]:Taking carbon fiber uniaxial seam knitted fabric as the research object, the resin system and its composite technology were studied. The effects of fabric structure parameters and carbon fiber type on the use of carbon fiber uniaxial seam knitted fabric and the main mechanical properties of composites were studied. The results show that the influence of structural parameters such as the types of warp carbon fiber and weft lining materials and their surface density on the bending stiffness and the unidirectional permeability of fabrics are similar. Whether it is the unidirectional permeability of carbon fiber sewn fabric or the main mechanical strength of composite material, in vacuum adsorption process, The self-made 6 # epoxy resin system based on TDE-85 epoxy resin is superior to the epoxy resin system based on bisphenol A epoxy resin. Using 610A resin prepreg process, or the proper yarn spread through the carbon fiber, or dry spray wet spinning technology to prepare carbon fiber, can further improve the main mechanical properties of carbon fiber uniaxial seam knitted fabric composites. This provides some references for the selection and optimization of fabric structure design, selection of main raw materials, preparation process, matching resin system and composite process, etc. In particular, it has laid a good foundation for the preparation, popularization and application of domestic carbon fiber knitted fabrics.
【作者單位】: 航天材料及工藝研究所;
【基金】:科技部863計劃資助項目(2012AA03A201)
【分類號】:TS106;TB33
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