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            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Tekstil ve Mühendis</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">1300-7599</issn>
                                        <issn pub-type="epub">2147-0510</issn>
                                                                                            <publisher>
                    <publisher-name>TMMOB The Chamber of Textile Engineers</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id/>
                                                                                                                                                                                            <title-group>
                                                                                                                        <article-title>Sargı Lifi ve Öz Materyalinin Çift Özlü İpliklerin Kalite Özelliklerine Etkileri</article-title>
                                                                                                                                                                                                <trans-title-group xml:lang="en">
                                    <trans-title>Effects of Sheath Fiber and Core Material on Dual Core-Spun Yarns Quality Properties</trans-title>
                                </trans-title-group>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0003-0417-1408</contrib-id>
                                                                <name>
                                    <surname>Vuruşkan</surname>
                                    <given-names>Deniz</given-names>
                                </name>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20190930">
                    <day>09</day>
                    <month>30</month>
                    <year>2019</year>
                </pub-date>
                                        <volume>26</volume>
                                        <issue>115</issue>
                                        <fpage>289</fpage>
                                        <lpage>293</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20190614">
                        <day>06</day>
                        <month>14</month>
                        <year>2019</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20190925">
                        <day>09</day>
                        <month>25</month>
                        <year>2019</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 1987, Journal of Textiles and Engineer</copyright-statement>
                    <copyright-year>1987</copyright-year>
                    <copyright-holder>Journal of Textiles and Engineer</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>Son yıllarda, teknolojinin gelişmesine paralel olarak üretim sürecinde var olan konvansiyonel yöntemlerin yetersiz kaldığıgörülmektedir. Türkiye’nin ihracat payındaki artışını sağlamak için katma değeri yüksek ürünlerin üretilmesi kaçınılmaz bir çözümolarak karşımıza çıkmaktadır. İplik üretim aşamasındaki çözümlerden biri farklı hammaddeler kullanılarak fonksiyonel ipliklerüretebilmektir. Bu çalışmada aynı anda iki farklı öz malzemenin beslenmesine olanak sağlayacak şekilde modifiye edilmiş ringeğirme sisteminde çift özlü iplik üretimleri yapılmıştır. Çalışma kapsamında, iki farklı iplik numarasında üç farklı sargı lifi (%100pamuk, %60/40 pamuk/poliester, ve %100 poliester) ve öz materyali (PET/PTT bikomponent filament + elastan, polibütilen tereftalat(PBT) + elastan, ve polyetilen tereftalat (PET) + elastan) kullanılarak aynı üretim koşullarında çift özlü iplik numuneleri üretilmiştir.İplik numarasının, sargı lifi ve öz materyalinin iplik kopma mukavemeti ve uzaması, iplik düzgünsüzlüğü, hata endeksi ve tüylülüközellikleri üzerindeki etkilerini belirleyebilmek amacıyla SPSS paket programı kullanılarak %95 güven aralığında varyans analizi(ANOVA) gerçekleştirilmiştir.</p></abstract>
                                                                                                                                    <trans-abstract xml:lang="en">
                            <p>In recent years, it is observed that the conventional methods in the production process are insufficient with parallel tothe development of technology. It is an unavoidable solution to produce high-value-added products in order to increase Turkey’sexport share. One of the solutions in yarn production is to manufacture functional yarns by using different raw materials. In this study,dual core-spun yarns were produced by a modified ring spinning system that allows the feeding of the two different core materialssimultaneously. Within the scope of the study, dual core-spun yarns with two different yarn count (Ne 12/1 and 18/1) were producedusing three different sheath fibers (100% cotton, 60/40% cotton/polyester, and 100% polyester) and core materials (PET/PTT bicomponentfilament + elastane, Polybutylene Terephthalate (PBT)+elastane, and Polyethylene Terephthalate (PET)+elastane) at thesame production conditions. In order to determine the effects of yarn count, sheath fiber and core material on yarn tenacity andelongation, yarn unevenness, imperfection and hairiness properties, analysis of variance (ANOVA) was conducted using SPSSpackage program at 95% confidence interval.</p></trans-abstract>
                                                            
            
                                                            <kwd-group>
                                                    <kwd>Çift özlü iplik</kwd>
                                                    <kwd>  sargı lifi</kwd>
                                                    <kwd>  öz materyali</kwd>
                                                    <kwd>  kalite özellikleri</kwd>
                                            </kwd-group>
                                                        
                                                                            <kwd-group xml:lang="en">
                                                    <kwd>Dual core spun yarn</kwd>
                                                    <kwd>  sheath fiber</kwd>
                                                    <kwd>  core material</kwd>
                                                    <kwd>  quality properties</kwd>
                                            </kwd-group>
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                                    <ref id="ref1">
                        <label>1</label>
                        <mixed-citation publication-type="journal">-</mixed-citation>
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