• Title/Summary/Keyword: weave structure

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Behaviour of the Twill Weave Woven Fabrics during Relaxation

  • Alamdar-Yazdi A.
    • Fibers and Polymers
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    • v.6 no.4
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    • pp.306-312
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    • 2005
  • This work looks into the behaviour of the twill weave woven fabrics during relaxation (when the weaving tension is released). Ten, 50-metre rolls of twill weave woven fabrics were produced. The fabrics were marked in a rectangular form at the weaving loom. After 48 hours of relaxation, the new shapes and sizes were recorded. The shapes of almost all of the samples were changed to parallelogram, even though they differed in size. The work showed that the manner of fabric deformation during relaxation depends upon the fabric structure. It indicates that contraction due to relaxation of the twill weave causes the woven fabric to skew. in the direction of the twill. The quantity of the skewness is related to the float length and the twill type. Fabrics with longer float length have higher skewness.

Weave Composition of the Patterned Silks Excavated from Lady Lee(from Hansan)'s Tomb - Focusing on the Satin Damask(緞) and Simple Gauze(紗)- (한산이씨 문직물저고리에 나타난 문양과 직물구성 - 단(緞)과 사(紗)를 중심으로 -)

  • Chang, In-Woo
    • Journal of the Korea Fashion and Costume Design Association
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    • v.15 no.4
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    • pp.143-155
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    • 2013
  • This study examined the motif, weave structure, fabric density, and thread thickness of the patterned silks excavated from the Lady Lee's Tomb to trace the weave composition of the 18th Century in Korea. Different weave compositions were adopted depending on the weave structure. Two weave structures appeared in these patterned silks : simple gauze and satin damask. In the case of simple gauze Jergori, all the components, Gil(bodice), Somae(Sleeve) had similar fabric density and thread thickness. On the other hand, the satin damask Jergoris was composed of the components of different fabric density and thread thickness. According to the fabric density and thread thickness, the motif sharpness of damask Jergori was represented in three different ways : smooth and clear, rough and clear, and rough and vague. This revealed that Lady Lee selected not only pattern but also fabric density and thread thickness in the design of damask Jergori.

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The Structure and the Characteristics of the Patterned Textiles in the Joseon Dynasty (조선시대 문직물의 시대별 제직특성)

  • Park, Yoon-Mee
    • Journal of the Korean Society of Costume
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    • v.58 no.5
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    • pp.153-165
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    • 2008
  • The methods used in determining the weaving period of the textiles comprises not only radiocarbon dating but also discrimination of the motif and the textile structure. This study surveys the variation of the structure and the characteristics of the patterned textile of the Joseon dynasty to determine the weaving period. The number of twill gradually decreased in the Joseon dynasty while satin weave became more popular and the non-patterned twill almost vanished after 1600 A.D. The patterned plain weave was started to weave from the beginning of the Joseon dynasty but this has been shifted to twill, satin weave, floated weave, or the textiles with combined techniques more than 2 kinds after 1800 A.D. For the twist of threads, the number of the fabrics with Z-twisted thread in the warp and the non-twisted thread in the weft showed peak in 1600 A.D. and gradually decreased afterward. After 1600 A.D., the textile without twist became general trend.The satin weave started to appear with the 5-end satin in the beginning of the Joseon dynasty but the 8-end satin started to appear from the middle of 17th century and got more popularity with time. At the same period, the patterned textile on the ground of the satin weaved with the different techniques from the earlier period started to appear. The twist of the satin in the 1600 A.D. showed similar trends as twill, this general trend resulted from the fact that the non-twisted thread in the weaving became more popular with the time at that period.

A study on Dobby Weave Design using Computer-Aided Weaving System (CAW(Computer-Aided Weaving) 시스템을 이용한 도비 직조디자인 연구)

  • Song, Ha-Young
    • Fashion & Textile Research Journal
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    • v.12 no.3
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    • pp.272-278
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    • 2010
  • The purpose of this study was to research about Dobby weave design using Computer-Aided Weaving System. For performing this design study, first, it was researched the characteristics of the classified woven fabrics, weaving processing, structure of Dobby loom, and Computer-Aided Dobby Weaving system theoretically. To develop Dobby woven design, Patternland Weave Simulator(U.S.A) for computer weave system was used. Among the developed Dobby woven designs by computer weaving system, mainly three of them were selected and woven into Dobby loom. To see the visual image of the fabric end-use, some of the scanned Dobby fabrics were simulated to the three-dimensional virtual images by Alias CAD system. The result of this study can be summarized as follows. Before the step of weaving Dobby fabrics on the woven design works, Computer-Aided Weaving system can be done very easily to apply the design step of Dobby woven fabrics, specially in case of the complicated woven structure. Also the usage of the simulation CAD system in visual image of the final products, ultimately can be saved cost and developed the higher value-added goods in more response to consumer demands.

The Evaluation of Fracture Toughness on Mode I for Twill CFRP/GFRP Laminated Hybrid Composites (능직 CFRP/GFRP 적층하이브리드 복합재의 Mode I 파괴인성 평가)

  • Roh, Young Woo;Kang, Ji Woong
    • Journal of the Korean Society of Safety
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    • v.35 no.5
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    • pp.9-14
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    • 2020
  • In order to realize high strength and light weight for various industrial facilities and structural materials, various new materials are applied to product design. Among them, CFRP has excellent specific strength and non-rigidity, and the scope of use is expanding throughout the industry, such as mobility products and building materials. GFRP is cheaper than CFRP, and has excellent specific strength and non-rigidity, and has excellent heat resistance and sound insulation, so it has been adopted as a core material for flooring and interior flooring. CFRP of twill weave structure has better resistance to deformation of fiber than plain weave structure, so the outermost layer is applied as twill weave structure in product design. After fabrication with DCB specimens, Mode I fracture toughness was evaluated according to the crack length. As the crack length increases, the energy release rate and stress intensity factor values tended to decrease overall.

직물표면구조 Creative Effect Solid 제품개발

  • Seo, Mal-Yong;Gwak, Seong-Hyeon;Sim, Seung-Beom;Park, Jun-Su;Gang, Yun-Hwa
    • Proceedings of the Korean Society of Dyers and Finishers Conference
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    • 2009.11a
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    • pp.139-140
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    • 2009
  • In this study, 53 creative effect solid weave structures that had distinct cross structure on the surface of the fabrics with IT fusion technology were developed. The effect solid pattern book were made with 45 item among the creative effect solid weave structures developed for this study. If textile companies use data base of creative effect solid weave structures that may not be modified theses kinds of DB, the competition of korea textile will be enhanced.

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A Study on Woven Designs Utilizing Weave Technique (이중적 기법에 의한 직물 디자인 연구)

  • 한상혜
    • Archives of design research
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    • v.13
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    • pp.123-137
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    • 1996
  • Weaving, is an ideal subject for study to designer who is concerned with interrelationship between art and technology. Double cloth is a two layered fabric that can be woven on the loom with more than 4 harnesses, is often used to produce special woven fabric such as double width fabric or reverse pattern fabric, etc, in textile industry. Because of the attractive characteristic of two layered structure, double cloth technique can be applied as expressive media in fiber art requiring aesthetics and creativty. in the work, the concept, types, and characteristics of double weave have been studied through literature survey and sample production and the potential characteristics of this technique is, especially, emphasized by analysing the representative works of artists specilized in a double weave. Double weave technique can provide various images or forms throught the variation of structures and expressive styles and therefore suggests another characteristic expression creative means for weaver to develope.

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Three-dimensional Reconstruction of Textile Structure Using Discrete Cross Sectional Images to Analyze Fabric Weave Structure

  • Shinohara, Toshihiro;Takayama, Jun-Ya;Ohyama, Shinji;Kobayashi, Akira
    • 제어로봇시스템학회:학술대회논문집
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    • 2001.10a
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    • pp.35.1-35
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    • 2001
  • The aim of our study is to automatically analyze how textile is woven which has complicated structure, such as textile with multi-layer structure. For this purpose, we propose a method to reconstruct a textile structure of a textile is visualized. Then, the anteroposterior sections of the same yarn on the cross sectional images is associated each other by superimposing them. Therefore, by this method, 3-D information of each yarn is obtained and the 3-D shape of each yarn is independently expressed. In this research, a 3-D reconstruction of a plain weave fabric is performed.

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MICROSCOPIC INVESTIGATION OF DRY FABRICS: Picture Frame Test (건직물 복합재료의 미세거동 관찰: 사진틀 실험)

  • 장승환
    • Proceedings of the Korean Society For Composite Materials Conference
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    • 2003.04a
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    • pp.211-214
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    • 2003
  • This paper presents the microscopic observation results from the picture frame test using five-harness satin weave fabric composite. Aligned and misaligned specimens are observed to verify the exact tow deformation pattern such as tow interval and change in tow amplitude. To observe the micro-deformation of the fabric structure, appropriate specimens from picture frame test are sectioned and observed under the microscope. From the observation results, it is found that a picture frame test with a misaligned fibre orientation angle shows large differences in deformation between tensile and compressive tow directions.

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The Characteristics of Heat Transfer in a Channel with Wire-screen Baffles (와이어 스크린 배플이 설치된 채널에서의 열전달 특성)

  • Kim, W.C.;Ary, B.K.;Ahn, S.W.;Kang, H.K.
    • Journal of Power System Engineering
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    • v.13 no.2
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    • pp.11-17
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    • 2009
  • The heat transfer characteristics of flow through two inclined wire-mesh baffles in a rectangular channel were investigated experimentally with varying the mesh number of wire screens and inclination angle of the baffles. Two different types of wire meshes such as dutch and plain weaves, were used in this experiment. Three kinds of baffle plates with different mesh specifications in the dutch weave and four different kinds in the plain weave were manufactured. Baffles were mounted on bottom wall with varied angles of inclination. Reynolds number was varied from 23,000 to 57,000. It is found that the placement of inclined wire-mesh baffles in the channel affects the heat transfer characteristics by combining both jet impingement and flow disturbance. The wire screen modified the flow structure leading to a change in the heat transfer characteristics. The results show that the baffle plate with the most number of mesh (type SA) has the highest heat transfer rate.

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