Cuticle Scale Heights of Wool and Specialty Fibers and Their Changes Due to Textile Processing

Animal fiber identification in the scanning electron microscope (SEM) using the criterion of cuticle scale edge height (CSH) is a well established method suitable for all stages of textile processing. In his paper, P. A. Tucker ( Textile Res. J. 68, 229-230 (1998)) presents results that lead him to state comprehensively, "fiber identifica..

Home | News & Info | KOTITI 라이브러리 | 섬유기술정보 I 등록일 : 2012.12.10 I 조회수 : 67

Objective Evaluation of Fabric Hand Part I: Relationships of Fabric Hand by the Extraction Method and Related Physical and Surface Properties

A simple extraction method effectively measures the changes in hand resulting from different fabric types, flame retardant (FR) finishes, and fabric wetness. The effects of FR finishes and wetness on the original fabric hand are inconsistent in terms of the direction of increase or decrease depending on the fabric and finish. When FR fini..

Home | News & Info | KOTITI 라이브러리 | 섬유기술정보 I 등록일 : 2012.12.06 I 조회수 : 120

Air Flow Through Textiles at High Differential Pressures

Air flow through fabrics at relatively high differential pressures is studied both ex perimentally and theoretically. An extension of a previous model for fluid flow through a bed of fibers takes into account the geometric irregularities and deflection of the fibers, successfully predicting that the pressure drop across the fabric is a li..

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A Three-Dimensional Analysis of Specular Reflection from Single-Jersey Knitted Fabrics

This paper presents a mathematical model for calculating specular reflection of sin gle- jersey knitted fabrics using a three-dimensional analysis. A computer simulation program based on the model is developed to generate goniophotometric curves using Cartesian coordinates and Euler angles derived from the geometry of a knitted loop. Two ..

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오늘의 한국 화섬산업(14)

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Tensile and Uniaxial Fatigue Behavior of Poly (p-Phenylene-co-3,4'- Oxydiphenylene Terephthalamide) Fibers: Relationship with Chain Orientation

This paper investigates the physical properties of poly(p-phenylene-co-3,4'-oxy diphenylene terephthalamide) [PpPOT] fibers in comparison with poly (p-phenylene terephthalamide ) (PPTA) fibers. With regard to tensile responses, the two fibers show nearly the same elastic deformation with significant modulus increase during extension. Howe..

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Defect Detection in Fabrics with a Joint Transform Correlation Technique: Theoretical Basis and Simulation

Abstract The theoretical basis of a technique for real time defect detection in fabrics is presented using a joint transform correlator. This correlation technique is an extension of Fourier transform analysis and is extremely useful for real time pattern recognition. The regular periodic nature of a woven fabric makes it possible to use ..

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Heat as a Factor in the Penetration of Cloth Ballistic Panels by 0.22 Caliber Projectiles

This report explores the possibility that heat plays a role in the penetration of cloth ballistic panels by 0.22 caliber projectiles. We postulate that heat is generated by friction between the surface of the projectile and the yarns, between yarns, and between filaments within a yarn in advance of and in the path of the projectile. Evalu..

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Fiber Arrangement Characteristics and Their Effects on Nonwoven Tensile Behavior

Our early model for predicting nonwoven fabric stress-strain behavior by the finite element method is generalized to include the effects of fiber curl, which is shown to have a great effect on the tensile behavior of the fabric. A numerical method to characterize the lateral contraction of nonwovens during tensile deformation is presented..

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Qualitative and Quantitative Evaluation of Cotton Fabric Damage by Tumble Drying

Abrasion and heat damage to desized and scoured cotton fabric during drying in a household tumble dryer are evaluated by SEM (scanning electron microscopy) and weight and tensile/strain tests for breaking strength and elongation. Wet fabric dried with heat shows severe fiber damage, and wet fabric tumbled at room temperature shows less da..

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