CN101529000B - 3d复合织物 - Google Patents

3d复合织物 Download PDF

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CN101529000B
CN101529000B CN2007800390119A CN200780039011A CN101529000B CN 101529000 B CN101529000 B CN 101529000B CN 2007800390119 A CN2007800390119 A CN 2007800390119A CN 200780039011 A CN200780039011 A CN 200780039011A CN 101529000 B CN101529000 B CN 101529000B
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P·邓里维
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Safran Landing Systems SAS
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D25/00Woven fabrics not otherwise provided for
    • D03D25/005Three-dimensional woven fabrics
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/004Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft with weave pattern being non-standard or providing special effects
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S139/00Textiles: weaving
    • Y10S139/01Bias fabric digest
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y10T442/3195Three-dimensional weave [e.g., x-y-z planes, multi-planar warps and/or wefts, etc.]

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Abstract

本发明涉及一种具有如下基本图形的织物,该图形包括:至少二十八根纬线纤维(1...28),布置成交错构造并形成八列(C1...C8),这些列交替地包括四根纬线纤维和三根纬线纤维,这些纬线纤维在七行(N1...N7)中延伸;至少十二根经线纤维(A...L),它们布置在至少四个彼此偏置的平行平面内,这些平面中的每一个平面含有至少三根平行的经线纤维,这些经线沿着平面与平面之间各不相同的路径延伸。

Description

3D复合织物
技术领域
本发明涉及一种3D复合织物。
背景技术
本发明涉及一种采用多连接的多层型优化织法的织物,该类型织物适用于生产承受高抗拉伸、压缩或弯曲应力和/或受到冲击的复合材料零件。如此零件例如包括起落架的支柱、杆和压杆。
织物结构已知有称为1D或2D的结构,按照它们的纤维是仅沿一个方向还是沿两个不同方向延伸而定。一般来说,如此的结构不能有效地承受上述的应力。所谓3D结构包括在三维空间中沿三个不同方向延伸的纤维,如此的3D结构能更好地承受所述应力。还已知有所谓的4D、5D、9D、11D、...结构存在,它们包括沿更多不同方向延伸的纤维,但这些结构非常复杂,自动化生产很困难。
因此,本发明具体地涉及3D的织物结构。
这些结构包括具有用缝合法连接在一起的多层的3D结构。已知这些结构在纬线纤维弯曲时呈现良好的线性,它们提供包括进行加强的优点。然而,该连接方法不能对如此纤维生产出的零件提供良好的抗冲击性。
还已知用纺织方法互连在一起的多层织物,其中,正交型的3D织物(其中,层间连接的纤维基本上正交于各层延伸)是对纬线纤维和经线纤维呈现最佳线性的织物(即,具有小的连接角或小的弯曲形状的路径),由此,能很好地抗压缩。然而,为了确保如此的织物呈现有利的纤维体积分率,需要压缩织物,使正交于各层且用于将它们彼此连接的纱线需要大的弯曲形状,致使纱线不是呈很直线性的高波浪形的路径,这意味着纱线不能有效地传递力。
尽管非正交的3D织物在这方面较为有利,但它们存在这样的缺点:不管织物的织法是简单的,为多层塔夫绸、缎子或哔叽布料型的,还是织法是较精细的,诸如3X型的织法,呈现的连接纤维都具有太大的连接角或弯曲形状。
文献FR 2 610 951中描述的称之为“2.5D”织物的织物特别得到优化,呈现很小的膨胀和高的表面占据百分数,但其代价是换来差的直线性(即,至少某些纤维呈现大的弯曲形状或大的连接角)。这种织物的形成带来对抗冲击有害的角度特征,并将可逆织物结构(即,通过转过90°的织法而获得结构)局限于低密度的结构,除非添加大量的附加层,这使得自动化生产很困难。
文献US 5 899 241中描述的织物对于抗冲击特别地进行了优化。然而,各层之间的高交织度限制了用如此织物制造的元件的压缩强度。
发明内容
本发明提供织法优化的3D织物的方法,该织物特别呈现抗冲击的良好能力,同时又易于变形。
具体实施方式
本发明直接参照唯一的附图进行描述,该附图显示本发明一特殊实施例中的织物的基本图形,其中,纬线纤维显示为端点,而经线纤维在平行于附图平面的平面内延伸。这里,织物包括一基本图形,该图形包括:
·至少28根纬线纤维(见端点),编号从1至28,设置成交错构造并形成八列C1...C8,它们垂直于织物厚度方向延伸,它们交替地包括四根纬线纤维和三根纬线纤维,间距开同样的预定距离P,纬线纤维占据7行N1...N7,它们横向于列延伸。因此,第一、第三、第五和第七列C1、C3、C5和C7具有四根分别在行N1、N3、N5和N7中延伸的纬线纤维,而第二、第四、第六和第八列C2、C4、C6和C8具有三根分别在行N2、N4和N6中延伸的纬线纤维;
·至少12根经线纤维A...L,它们设置在至少四个横向于纬线纤维延伸的平行平面内,这些平面中的每一个含有至少三根平行的经线纤维,这些经线纤维以如下方式一根设置在另一根之上。
在与附图平面相一致的第一平面内,所考虑的经线纤维A、B和C用实线表示。经线纤维A经过第一列C1的第一纬线纤维1之上,经过第五列C5的第二纬线纤维16之下,再经过下一图形的第一列C1的第一纬线纤维1之上。在同一平面内,经线纤维B和经线纤维C平行于经线纤维A,但它们沿织物的厚度方向偏置,每次偏置一根纬线纤维。
在这里是位于第一平面后面的第二平面内,经线纤维基本上平行于行N1...N7,它们用虚线表示。经线纤维D经过第二列C2的第一纬线纤维5之上,经过第三列C3的第一纬线纤维8之下,再经过第四列C4的第一纬线纤维13之上,等等。经线纤维E和F遵循平行的路径,每次沿平行于列的方向偏置一根纬线纤维;
·在这里是位于第二平面后面的第三平面内,经线纤维G、H、I用点划线表示。它们遵循平行于第一平面的经线纤维A、B和C的路径的路径,但沿平行于行的方向侧向地偏置四列;以及最后
·在这里是位于第三平面后面的第四平面内,经线纤维J、K和L用点线表示。它们平行于经线纤维D、E和F,但沿织物厚度方向偏置,以使经线纤维J经过第二列的第一纬线纤维5之下,经线纤维K经过该列的纬线纤维6之下,而经线纤维L经过该列纬线纤维7之下。
该种布置提供若干个优点:
·能够获得多层的结构,结构的连接程度适于提供良好的抗分层的能力,因此能更好地抗冲击和压缩,同时保持良好的变形特性;
·织物不仅可用碳纤维制造,而且可用玻璃纤维、芳族聚酰胺纤维或含硅石纤维或陶瓷纤维制造。它有利地构成一适于用树脂浸渍的预成形,例如,一旦预成形在一模具内或用某种其它方法成形,可用树脂传递模塑(RTM)方法来进行树脂浸渍;
·使用高等级机械特性(例如,弹性模量高的碳纤维)但在纺织中易碎的纤维,织物能自动地进行纺织。甚至能使用每单位长度相当高的密度的碳纤维,例如,重量为48千支(kilofilament)至96千支,或甚至更高;
·以此方法获得的织物呈大的纤维体积分率,这里等于至少57%;
·经线纤维布置在多个偏置平面内可使连接角θ相当小,实践中小于或等于15°,由此赋予经线纤维和纬线纤维非常良好的直线性,这样的直线性能使纤维在压缩中更有效地工作;
·该种布置能使经线纤维的比例相对于纬线纤维的比例不平衡,以便补偿纬线纤维的非直线性(例如,70%的纬线纤维和30%的经线纤维);以及最后
·该种布置可以是可逆的(织法转过90°)以提高直线性。
本发明不局限于以上所述,相反地,涵盖落入附后权利要求书定义的范围内的任何变体。
尤其是,本文所述的织法基本图形可容易地沿织物厚度方向(因此沿列方向)和沿横向方向(因此沿行方向)延伸。

Claims (3)

1.一种纺织纱线或纤维构成的织物,包括以具有基本图形的织法布置的纬线纤维和经线纤维,所述图形包括:
·至少二十八根纬线纤维(1...28),布置成交错构造并形成八个平行列(C1...C8),其中,第一、第三、第五和第七列各具有四根纬线纤维,而第二、第四、第六和第八列各具有三根纬线纤维,各列分隔开共同的预定距离(P),所述纬线纤维在七行(N1...N7)中延伸,所述行横向于所述列延伸;
·至少十二根经线纤维(A...L),它们设置在至少四个横向于纬线纤维延伸且彼此偏置的平行平面内,这些平面中的每一个平面含有至少三根平行的经线纤维,所述经线纤维以如下方式一根设置在另一根之上:
·在第一平面内,第一经线纤维(A)经过第一列(C1)的第一纬线纤维(1)之上,经过第五列(C5)的第二纬线纤维(16)之下,再经过下一图形的第一列(C1)的第一纬线纤维(1)之上;第二和第三经线纤维(B、C)在所述第一平面内平行于所述第一纬线纤维(A)延伸,但每次沿平行于列的方向偏置一根纬线纤维;
·在第二平面内,第一经线纤维(D)基本上平行于所述行(N1…N7)延伸,经过具有三个纬线纤维的所述列(C2、C4、C6、C8)的所述第一纬线纤维(5)之上,并经过具有四个纬线纤维的所述列(C1、C3、C5、C7)的第一纬线纤维之下;第二和第三经线纤维(E、F)平行于所述第一经线纤维(D)延伸,每次沿平行于列的方向偏置一根纬线纤维;
·在第三平面内,所涉及的三根经线纤维(G、H、I)平行于所述第一平面的所述经线纤维(A、B、C)延伸,但沿平行于行的方向横向地偏置四列;以及最后
·在第四平面内,所涉及的三根经线纤维(J、K、L)平行于所述第二平面的所述经线纤维(D、E、F)延伸,但沿平行于列的方向偏置,以使它们经过具有三个纬线纤维的所述列(C2、C4、C6、C8)的所述纬线纤维之下。
2.如权利要求1所述的织物,其特征在于,所述织物的纤维体积分率不小于57%。
3.如权利要求1所述的织物,其特征在于,纤维具有的连接角(θ)小于或等于15°。
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FR0609152 2006-10-18
FR0609152A FR2907475B1 (fr) 2006-10-18 2006-10-18 Tissu composite 3d
PCT/FR2007/001659 WO2008049988A1 (fr) 2006-10-18 2007-10-11 Tissu composite 3d

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CA2666235C (fr) 2012-04-10
RU2401891C1 (ru) 2010-10-20
US8061391B2 (en) 2011-11-22
CA2666235A1 (fr) 2008-05-02
EP2089565A1 (fr) 2009-08-19
JP4891406B2 (ja) 2012-03-07
PL2089565T3 (pl) 2010-09-30
CN101529000A (zh) 2009-09-09
US20100323574A1 (en) 2010-12-23
FR2907475A1 (fr) 2008-04-25
JP2010507027A (ja) 2010-03-04
ATE462812T1 (de) 2010-04-15
FR2907475B1 (fr) 2008-12-05
ES2340739T3 (es) 2010-06-08
WO2008049988A1 (fr) 2008-05-02
DE602007005686D1 (de) 2010-05-12
EP2089565B1 (fr) 2010-03-31

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