Influence of stitch length and structure on selected mechanical properties of single jersey knitted fabrics with varying cotton percentage in the yarn
Knitting is a process of manufacturing a fabric by the intermeshing of loops of yarn. Knitted fabric possesses high stretch and recovery, providing greater freedom of movement and outstanding comfort qualities for which they have been preferred as fabrics in many kinds of clothing for a long time. In clothing design and manufacturing, fabric characteristics are usually dictated by a specified end-use.1,2
A Study on Abrasion Characteristics and Pilling Performance of Socks
This research concerns the effects of fiber type, yarn count (for single and ply yarn), to the abrasion resistance and pilling performance of socks. Seven different types of socks were selected from Egyptian market. Specimens were subjected to Martindale apparatus and Roll Box to measure abrasion resistance and pilling performance, according to the "ASTM". It was found that the abrasion resistance value of socks can be increased by a number of measures; use of thicker yarns, adding PA to the structure, adding elastic yarns to the structure. It was also found that the use of coarse yarns, addition of polyester, polyamide fibers or elastane filaments to the structure and application increase the abrasion resistance of the socks.
Frequency selective surface design for blinds applications
In this paper, the reconfigurable blind structure with frequency selective surfaces(FSS) for the building applications are presented. Frequency transmission characteristics for different angles of the proposed blind-FSSs are investigated and verified through simulation and measurement. The simulation results show that we can implement the reconfigurable blind-FSS for multiband wireless applications. To verify the proposed paper, two kinds of blind-FSSs, crossed dipole FSS and circular ring FSS are fabricated and measurements are performed for different angles. The proposed structure in this paper which is very simple, can be easily applied to any planar surface for wireless security applications at low cost.