EXPLANATION OF WARP KNITTED FATIGUE BEHAVIOR UNDER THE CYCLIC EXTENSION BY USING HOLLOMAN'S RELATION

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TAHERI OTAGH SARA M.R.; JEDI A.A.A.; AGHAZEDEH MOHANDESI J.

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Journal Paper

Paper Information

Journal: AMIRKABIR Year:2007 | Volume:18 | Issue:66-D Page(s): 29-37

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Title

EXPLANATION OF WARP KNITTED FATIGUE BEHAVIOR UNDER THE CYCLIC EXTENSION BY USING HOLLOMAN'S RELATION

Author(s)

TAHERI OTAGH SARA M.R. | JEDI A.A.A. | AGHAZEDEH MOHANDESI J. | Issue Writer Certificate

Keywords

FABRIC FATIGUE

WARP KITTED FABRICS

TENSILE PROPERTY

FATIGUE PROPERTY

CYCLIC EXTENSION

STRAIN HARDENING

HOLLOMAN'S RELATION

Abstract

In this study, tensile and fatigue behavior of seven different structure (Tricot, Locknit, reverse Locknit, three needle Satin, four needle Satin, three needle Sharkskin and four needle Sharkskin) of warp knitted fabrics with three different course density (cpc) have been studied. The correlation between tensile and iv fatigue behavior of these fabrics with structural parameters have been investigated. The space of yarn movement and the length of underlaps are taken into consideration as basic parameters influencing the corresponding mechanical behavior. The obtained results show that with the increase in underlap length and/or cpc, the breaking extension percent is decreased while the breaking tenacity is increased. CYCLIC EXTENSION causes stress relaxation and strain softening in the warp knitted fabrics. Application of HOLLOMAN'S RELATION (s=K en) to the results of tensile and fatigue tests shows that strength coefficient (K) is decreased by fatigue process, while strain-hardening coefficient (n) is increased. By increasing underlap length, the cyclic stabilized load and strain-hardening coefficient is increased. Also, the cyclic stabilized load and the strain-hardening coefficient in fabrics with longer back guide bar underlap is higher than those with the same length in front guide bar.

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APA: Copy

TAHERI OTAGH SARA, M.R., JEDI, A.A.A., & AGHAZEDEH MOHANDESI, J.. (2007). EXPLANATION OF WARP KNITTED FATIGUE BEHAVIOR UNDER THE CYCLIC EXTENSION BY USING HOLLOMAN'S RELATION. AMIRKABIR, 18(66-D), 29-37. SID. https://sid.ir/paper/546148/en

Vancouver: Copy

TAHERI OTAGH SARA M.R., JEDI A.A.A., AGHAZEDEH MOHANDESI J.. EXPLANATION OF WARP KNITTED FATIGUE BEHAVIOR UNDER THE CYCLIC EXTENSION BY USING HOLLOMAN'S RELATION. AMIRKABIR[Internet]. 2007;18(66-D):29-37. Available from: https://sid.ir/paper/546148/en

IEEE: Copy

M.R. TAHERI OTAGH SARA, A.A.A. JEDI, and J. AGHAZEDEH MOHANDESI, “EXPLANATION OF WARP KNITTED FATIGUE BEHAVIOR UNDER THE CYCLIC EXTENSION BY USING HOLLOMAN'S RELATION,” AMIRKABIR, vol. 18, no. 66-D, pp. 29–37, 2007, [Online]. Available: https://sid.ir/paper/546148/en

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