熱拉伸纖維 的英文怎麼說
中文拼音 [rèlāshēnxiānwéi]
熱拉伸纖維
英文
heat stretched fibre-
In this investigation carbon black - filled electrical conductive composites of poly ( ethylene terephthalate ) / polyethylene were first prepared through the single - screw melt - blended extrusion, then drawing, followed by the quenching and subsequent press molding. the relationships among the influencing factors including composition, hot stretching ratio and compatibilizer, morphology and properties of composites were systematically investigated. positive temperature coefficients effect and crystallization behaviors of composites were preliminarily analyzed
本文擬採用單螺桿熔融共混擠出?熱拉伸?淬冷的新的成型方法制備炭黑填充的pet pe復合導電材料，熱拉伸的目的是使材料的分散相（ pet相）在加工過程中原位形成纖維，而炭黑基本分散在纖維中或纖維的表面上，使炭黑粒子間間距減小，形成更多的導電通路，從而提高材料的導電性能，同時保持或提高材料的力學性能。Four kinds of filament with different content of baso4, 60 %, 70 %, 75 %, 80 %, were heat - treated. post - treatment process parameters of the filament were different with the concentration of baso4 changing
通過對60 % ， 70 % ， 75 % ， 80 %四種不同baso ;含量的纖維進行后加工熱定型處理，從纖維拉伸實驗可以看出:不同baso ;含量的纖維后加工工藝參數不同。With the method of adding nano - particles during extracting stage, dry uhmwpe gel fiber dispersed with nano - particles is prepared, after multi - step hot drawing, modified uhmwpe fibers are prepared
採用萃取加入的方式製成了納米粒子均勻分散的uhm認甲e干凍膠纖維，然後經過多級熱拉伸，製成納米粒子改性uhm從甲e纖維。Third the " masterbatches " were porphyrized, and the " masterbatches " and pe were premixed, and were extruded by an extruder. the extrudate was hot - stretched by a take - up device with two pinching rolls to make the microfibers formation, and then palletized
再將其粉碎，按比例與pe在塑料擠出機上擠出並熱拉伸成片，擠出溫度設定為pet的加工溫度，熱拉伸的目的是讓pet cb母料形成纖維。The results showed that with the increase of heat treatment temperature, both the carbon content and tensile modulus of carbon fibers were enhanced, however the linear density decreased
試驗結果表明，隨著熱處理溫度的提高，炭纖維線密度下降，微晶層間距縮小，碳含量、微晶尺寸和拉伸模量得以提高。Second, many mechanical properties are tested, for example, tensile strength and tensile modulus, flexural strength and flextural modulus and impact strength. by the analysis of the tensile stress - strain curves and the flexural stress - strain curves, the results are as follows : 1 ) the voluminal content of fibre of composite making by vacuum assistant resin injection is more than other composites. 2 ) the mechanical properties of the needlepunching nonwoven fabric reinforced polymer composite are superior to these of the calendering nonwoven fabric reinforced polymer composite
首先，採用不同的增強材料（針刺非織造布和熱軋非織造布） 、不同的基體材料（ 961樹脂和306樹脂）和不同的成型工藝方法（手糊法、真空袋法和真空輔助成型法）製造出了一系列非織造布增強復合材料，然後對它們的拉伸強度、拉仲彈性模量、彎曲強度、彎曲彈性模量和沖擊強度等力學性能進行了測試，並分析了它們的拉伸載荷? ?位移曲線和彎曲載荷? ?位移曲線，結果表明真空輔助成型工藝能大大提高纖維的體積含量；針刺非織造布增強復合材料各項力學性能優于熱軋非織造布增強復合材料。Based on the characteristics of silicon whisker, the research on the modification of pa6 by silicon whisker sio2 - jx was made, and the result showed that the tensile strength, impact strength, brinell hardness, and heat resistance increased with the increase of the content of the whisker ; sio2 - jx could replace short glass fiber in the modification of pa6, improving the heat distortion temperature, removing the appearance of glass fiber, reducing shrinkage and the cost
摘要利用晶須矽纖維狀的特性，對其填充于龍玻纖改性進行研究，結果表明，隨晶須用量的增加，材料的拉伸強度、沖擊強度，布氏硬度、耐熱溫度均得到提高；晶須矽可取代短玻纖使用，提高熱變形溫度、消除玻纖外露，降低收縮率及生產成本等。The influence of montmorillonite and various drawing temperature on the physical and mechanical properties of pet fiber were investigated. the result showed that the thermal stability of fiber could be improved with drawing temperature increased from 160 to 180
研究不同拉伸溫度對pet mmt納米復合纖維物理機械性能的影響，結果顯示提高拉伸溫度能改善纖維的熱尺寸穩定性，而對纖維的力學性能、取向等影響不大。Plastics piping systems. glass - reinforced thermosetting plastics pipes. determination of initial longitudinal tensile properties
塑料管道系統.玻璃纖維增強式熱固塑料管件.初始縱向拉伸性能的測定The carbon fibers with low strength are broken easily according to thermal tension and bend stress damage models, and the carbon fibers with high modulus are broken easily according to thermal shear stress damage model in spite of less damage caused by heat. the carbon fibers with surface glue of epoxy resin are damaged easily in physical and chemical ways because of high oxygen extent and rigidity of epoxy resin
低強度碳纖維容易在熱應力拉伸或彎折破壞模式下損傷；高模量碳纖維高溫損傷小，但國防科學技術大學研究生院學位論文容易以熱應力剪切破壞模式下斷裂;環氧樹脂表面膠剛性較大，氧含量較高，使碳纖維容易受到化學損傷和熱應力彎折損傷，均不宜用來制備c燈sic復合材料。The physical damage models of carbon fibers are established, which are matrix shrink stress damage model, thermal tension stress damage model, thermal bend stress damage model and thermal shear stress damage model
由此建立了碳纖維的四種熱應力物理損傷模型，即基體體積收縮應力損傷模型、熱應力拉伸損傷破壞模型、熱應力彎折損傷破壞模型和熱應力剪切損傷破壞模型。By optimizing and controlling the technology conditions of grey yam linear density, spinning speed, stretching temperature, stretching ratio, tension - setting and shrink - setting, the polyester staple with shrinkage rate over 20 % was successfully developed with normal polyester chip
通過對原絲線密度、紡絲速度、拉伸溫度、拉伸倍率、緊張熱定型及鬆弛熱定型等工藝條件的優化和控制，採用常規聚酯切片成功開發出收縮率在20 %以上的滌綸短纖維。Test method for longitudinal tensile properties of fiber - reinforced thermosetting plastic pipe
纖維增強熱固性塑料管軸向拉伸性能試驗方法Fiber - reinforced thermosetting plastic composites pipe - determination of longitudinal tensile properties
纖維增強熱固性塑料管軸向拉伸性能試驗方法The tensile strength of carbon fibers generally lowered than that without heat - treatment, and the decreased value was various with the different temperature treatment
高溫處理導致炭纖維拉伸強度發生較大損失，在本次試驗中，在不同的熱處理溫度下，纖維強度下降的程度不同。分享友人