Effect of stitch length on physical and mechanical. What are the properties of knitted fabrics answers. Weft knitted fabrics can be produced in circular or flat knitting machine. Effect of lycra percentage on the physical properties of. Stitch length, physical properties, mechanical properties, single jersey, knitted fabric. To analyze the physical and comfort properties of knitted fabrics. A number in parentheses indicates the year of last. Standard test method for stretch properties of knitted fabrics having low power1 this standard is issued under the. Physical properties and characteristics of fabrics. The spacer fabric is widely used in the production of car seats, airbags, protective lining over wires, and roof due to its cushioning feature. The rising demand on knitted garments all over the world motivate the researcher to research about. Thermoplastic composites from curvilinear flatknitted 3d multilayer spacer fabric using hybrid yarn and the study of 2d mechanical properties. Effect of knitted structure on the properties of knitted fabric.
Knitted fabric properties wales per cm of knitted fabric. The advantage of knitted fabrics is that they are able to meet consumer demand for such properties as a softer feel, good draping quality and wrinkle recovery. Influence of silver loaded antibacterial agent on knitted. Fabric structure shows great impact on different properties of weft knitted fabric if processing parameters such as. Knitted fabrics and their properties linkedin slideshare. Chapter 3 fabric properties and their characteristics. In this study, dimensional properties of viscose, modal and lyocell single jersey knitted fabrics with three level of loop lengths were studied under dry, wet and. Shoe linings, flat knitted spacer fabrics, interlock fabrics, electronic flat knitting.
Research regarding the influence of raw material and knitted. Fabric properties and their influence on product performance 1. To determine the various knitted fabric structural properties produced from compact spun and conventional ring spun. Seven honeycomb polyester weftknitted fabrics and one common. Dimensional characteristics of knitted fabrics made from. Areal density, dimensional stability, fabric width, fastness property, pilling resistance and spirality. Pdf effect of knitted structure on the properties of. Knitted terry is pile jersey fabric made with a special attachment in regular circular knitting machines similar to woven fabrics. Pdf properties of knitted fabrics produced by kapok blended yarns. Knitted fabric is a textile that results from knitting. The properties of honeycomb polyester weftknitted fabrics were studied to understand their advantages. In this study, mechanical properties of weft knitted fabrics with different structures of single jersey and double jersey in fully stretched status of jamming were considered by geometrical modeling.
Properties of knitted fabrics free download as pdf file. In weaving it needs warp and weft yarn for produce woven fabric but in knitting, fabrics are produced from a series of yarn in warp or weft directions. There are different properties in different kinds of. Electromagnetic shielding properties of plain knitted. The width or the cut edge of a knitted fabric does not fray. The other fabric properties such as wales per centimeter wpc, courses per centimeter cpc, stitch density s, tightness factor k, takeup rate t, and loop shape factor r are significantly influenced by the presence of elastane yarns in the knitted fabrics. Structural effect of polyester scy knitted fabric on fabric size, stretch properties, and clothing pressure jeong seon sang1, mee sik lee2 and myung ja park1 introduction garment pressure is an essential component of clothing comfort yamada and mat. Wales determine the width of the knitted fabric and are measured as wales per centimeter.
Experts estimate that their annual consumption is increasing by 3,8 % in average and it can reach about 24 million tons in 2010. The following chapter is an introduction to the fundamental principles relating to the design and manufacture of. The properties of fabrics vary depending on the specific material. Difference between knit and woven compare the difference. Fine yarn is on front side and course yarn on back side.
Study of thermal comfort properties of cottonregenerated. Properties of cotton, polyester, and bamboo fiber used are shown in the table i and table ii respectively. Wales are perpendicular lines of loop along the knitted fabric length. Knitted fabrics can be made much more quickly and easily than woven fabrics at comparatively less cost. Effect of knitted structures and yarn count on the. The fabric is made of two sets of yarns, in which one set of yarn makes the pile, while the other set of yarn makes the base fabric. Pdf fabric structure shows great impact on different properties of weft knitted fabric if processing parameters such as. Knitting is the construction of the elastic, porous fabric, created by interlocking yarns by means of needles. Physical properties and characteristics of fabrics we need to make sure that the customer is aware of the properties and characteristics of the fabrics.
Standard test method for stretch properties of knitted. We know that fabrics are produced from a set of warp or weft yarn. Series of interconnected loops made with one or more sets of yarns. Its properties are distinct from woven fabric in that it is more flexible and can be more readily constructed into smaller pieces, making it ideal for socks and hats. Fabric pilling is one of the major problems in the knitting industry. The primary knitting elements of circular knitting machines are needle, cam, and sinker.
Knitted fabric market size, share global industry report. Effect of knitted structure on the properties of knitted. A fabric made by sheep wool, soft warm a fabric soft, warm bulky generally used to. These properties can be influenced by many factors such as stitch length, yarn type, yarn count, knit structure etc. Knitting technologies and tensile properties of a novel.
A knitted fabric designer needs to understand the creative potential of knitting technology and work in partnership with available technology and technical expertise. Faultsdefects in the knitted fabrics textile learner. Characteristics of fabrics knitted with basic knitting. Understanding the relationship between the fabric enduse and fabric properties becomes fundamental for classification, selection, and proper utilization of apparel fabrics. This paper presents a detailed experimental methodology and results to evaluate stretch properties of plated knitted fabrics from bare spandex and cotton yarns in terms of type of spandex, spandex. Investigate the influence of yarn production technique on yarn properties. Knitted fabric composite an overview sciencedirect topics. Knitting technology definition and types of knitted. Wales is the column of loops along the length of the fabric. Properties of knitted fabrics antimicrobial textiles. The influence of knitted fabrics structure on the thermal. The single jersey knitted fabric is ideal for nextto and fabric thickness at different places with the help of.
Structural effect of polyester scy knitted fabric on. Institute for materials research and innovation, the university of bolton, bolton, united kingdom. This test method covers the measurement of fabric stretch and fabric growth of knitted fabrics intended for applications requiring lowpower stretch properties. Weaving and knitting is different for the interlacing techniques of yarn. Fabric properties and their influence on product performance. Knitting the act of interlooping yarn to create fabric as opposed to weaving, which is interlacing yarns to create fabric.
The properties of knit fabric are changing with change of count of the yarn by keeping the parameters of knitting machine dia, gauge, stitch length same in every case. Knitted fabric is therefore an ideal material for manufacturing sportswear, intimate garments and casual wear as it allows for stretch and free body movement. From these yarns the following knitted fabric geometry were obtained. Influence of stitch length and structure on selected.
Its main application on textile materials as an ultraviolet ray protecting agents. Pdf dimensional properties of single jersey knitted fabrics made. The main purpose of this study was the selection of the most adequate fabric, to be used in summer and winter sportswear. Different count yarns produce different knit fabric 9. Potluri, in handbook of technical textiles second edition, 2016. It was observed that by increasing bamboo and cotton fiber content in the blends, yarn breaking force and. Fabric characteristics are usually dictated by a specified enduse. Development of weft knitted spacer fabrics for composite materials.
Properties of honeycomb polyester knitted fabrics a f feng. Knitted fabric parameters in relation to comfort properties. Pdf effect of stitch length on physical and mechanical. Influence of silver loaded antibacterial agent on knitted and nonwoven fabrics and some fabric properties. Characterization and role of porosity in knitted fabrics. Comfort and mechanical properties of polyesterbamboo and. One of the major applications of the product also lies in the automotive industry. All of the samples were tested for air permeability, water vapor permeability, and moisture transport and the average value was given for the discussion. This paper studies the influence of fabrics structure on the thermal and moisture management properties of knitted fabrics made of two types of yarns with thermoregulating effect.
Pdf effect of knitted structure on the properties of knitted fabric. It is used in paints, plastics, foods, pharmaceuticals and cosmetics. There are various types of defects which occur in the knitted fabrics of all. Protection from cold sweat absorption sweat shirt baby clothes 15. Study of thermal comfort properties of cottonregenerated bamboo knitted fabrics. Knitted fabric structures and finishing processes influence the physical properties and connected with the wearing properties of knitted garment 3.
Mechanical properties of weft knitted fabrics knitting. Fabric characteristics knitted fabrics woven fabrics series of interconnected loops made with one or more sets of yarns. Astm d2594 standard test method for stretch properties. Bunyamin uzumcu and others published properties of knitted fabrics produced by kapok blended yarns find, read. Essential and desirable properties for sportswear 3. The fabrics produced from compact yarns are found to have better abrasion resistance, higher burst strength, less pilling tendency, better dye absorption, and dyeability in more vivid colors. Titanium dioxide tio2 is a white, water insoluble pigment. Knitted bags and sacks are used for the shipment of industrial and food products. Optimization of comfort properties of single jersey knitted fabrics.
This test method includes procedures for fabric growth and stretch and can be used individually when required by individual specifications. The physical and mechanical properties of knitted fabric can be changed due to use of various count of yarn, type of yarn ring, rotor, and compact, quality of yarn, stitch length loop length, structural geometry, fiber composition of yarn etc. Basic fabric properties include weight, breathability, softness and degree of waterproofing. As lycra yarns are often used in alternating courses half plating instead of every the course full. The weft knitted fabric is applied for technical textiles commonly as composites to resist against tension along courses direction in jamming status. The tensile and compressive properties of knitted fabric composites are poor in comparison with the other types of fabric already discussed, but they are more likely to be chosen for their processability and energyabsorbing characteristics than their basic inplane properties. Application of knitted fabrics in technical and medical. Burst strength, compact yarn, pilling, ring yarn, weft knitted fabric 1 introduction. Knitted fabric is best when used for items that require some stretching or ease in the fabric, such as underclothes and exercise clothes. Knitting and weaving techniques are also techniques for conductive fabric production. Wales per cm is a very much important properties knitted fabric. Now, that you know the difference between knit and woven, there is an important fact to remember. Some have a wider range of properties than others, and are used for a variety of purposes such as making consumer products like clothing and blankets. An order of experimental work was devised so as to measure the effect on the thickness of each.
It is the designers responsibility to select the appropriate fabrics for their intended applications, but it is the responsibility of the fabric producer to provide as much information as. Knitted fabric properties articles on textile fiber. Chapter 9 knitted fabrics and their properties knit fragments dating back to 250 bc compared to 9,000 years for wovens introduced to europe by the arabs did not gain popularity until around 1,000 ad 2. A defect of the knitted fabric is an abnormality which spoils the aesthetics i. Knitted fabrics and knitting technology play very important role on the fields of technical and medical textiles and their importance is ever greater. Pdf lowstress mechanical properties of weft knitted fabrics. Hebei university of science and technology, shijiazhuang, hebei, china. Chapter 3 fabric properties and their characteristics praburaj venkatraman 1. Research article effect of lycra percentages and loop.
1322 1216 923 1453 11 765 628 713 1225 147 1186 1417 452 98 1427 80 934 1511 1322 480 1296 902 543 550 1155 431 1015 319 121 483 273 501 164 895 1255 832 216 998 365 863 435 822 1065 841 1495 719 56