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Hindi Journal of Fashion Technology & Textile EngineeringISSN: 2329-9568
Ismailova SI Author
Subjects of specialization
Affiliation
Textile Engineering, Polymers, Clothing Comfort
Institute of Mechanics and Seismic Stability of Structures of the Academy of Sciences of the Republic of Uzbekistan
Biography
Institute of Mechanics and Seismic Stability of Structures of the Academy of Sciences of the Republic of Uzbekistan. Skills and Expertise- Fiber, Drawing, Natural Fibers, Material Characterization, Mechanical Properties, Materials Testing, Advanced Materials, Materials Processing, Mechanical Behavior of Materials, Mechanical Testing.
Publications
Research Article Open Access
Physically Nonlinear Elastic-Viscoplastic Law of Strain of Cotton Yarn under Tension to Breakage
Author(s): Sultanov KS and Ismailova SI
On the basis of experimental stress-strain diagram, σ(ε), the changes in E modules on strain ε are defined and a complex nonlinear dependence E(ε) is obtained. The method of numerical approximation of obtained dependence E(ε) is offered. With the use of nonlinear dependence E(ε), a physically nonlinear law of strain of cotton yarn under tension is offered. The parameters values of proposed law are determined on the basis of experimental results. Calculated stress-strain diagrams are obtained on the basis of proposed nonlinear law of elastic-visco-plastic strain of yarn. Experimental and theoretical diagrams of σ(ε) are compared. A good agreement is obtained.
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