Since the inception of carbon nanotubes (CNTs), there has been a great deal of effort in developing CNT applications. One possible application is to utilize CNT yarn(s) in structural and electrical devices. This study investigated 13 different variations of CNT multi-yarns. The multi-yarns were evaluated and compared in terms of tensile load behavior and electrical conductivity as well as interrelationship and interdependence of these two properties with physical parameters and micro-structural features. The electrical conductivity of the CNT multi-yarn is not affected by the apparent diameter, number of yarns, tex or density, but instead by its interior compactness and acid treatment. The construction of single CNT yarn or multi-yarn can be tailored to achieve stress-strain behavior ranging from a stiff to ductile or highly non-linear behavior. CNT single-yarn is stronger and stiffer than a multi-yarn. The decrease in strength and stiffness of a multi-yarn does not depend directly upon the number of yarns. Thus, larger diameter CNT multi-yarn can be developed with less or no reduction in tensile properties in comparison to that of CNT array. Finally, this study's observations provide useful information for further improvement of the tensile and electrical conductivity performance of CNT yarn(s). Published by Elsevier Ltd.
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Univ Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, ZA-2050 Johannesburg, South AfricaUniv Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, ZA-2050 Johannesburg, South Africa
Igbokwe, E. C.
Daramola, M. O.
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Univ Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, ZA-2050 Johannesburg, South AfricaUniv Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, ZA-2050 Johannesburg, South Africa
Daramola, M. O.
Iyuke, S. E.
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Univ Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, ZA-2050 Johannesburg, South AfricaUniv Witwatersrand, Fac Engn & Built Environm, Sch Chem & Met Engn, ZA-2050 Johannesburg, South Africa
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Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Aviat Ind Corp China, Mfg Technol Inst, Beijing 100024, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Han, Baoshuai
Guo, Enyu
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Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Guo, Enyu
Xue, Xiang
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Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Xue, Xiang
Zhao, Zhiyong
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Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Zhao, Zhiyong
Li, Tiejun
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Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Li, Tiejun
Xu, Yanjin
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Aviat Ind Corp China, Mfg Technol Inst, Beijing 100024, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Xu, Yanjin
Luo, Liangshun
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Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
Luo, Liangshun
Hou, Hongliang
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Aviat Ind Corp China, Mfg Technol Inst, Beijing 100024, Peoples R ChinaHarbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
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Kongju Natl Univ, Div Adv Mat Sci & Engn, Cheonan 31080, Chungnam, South KoreaKongju Natl Univ, Div Adv Mat Sci & Engn, Cheonan 31080, Chungnam, South Korea
Bui, Duc Nhat
Son, Younggon
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Kongju Natl Univ, Div Adv Mat Sci & Engn, Cheonan 31080, Chungnam, South KoreaKongju Natl Univ, Div Adv Mat Sci & Engn, Cheonan 31080, Chungnam, South Korea
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Shenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R ChinaShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Han, Sensen
Meng, Qingshi
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Shenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R ChinaShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Meng, Qingshi
Pan, Xiao
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Liaoning Elect Power Co Ltd, Econ Res Inst, Shenyang 110015, Liaoning, Peoples R ChinaShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Pan, Xiao
Liu, Tianqing
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QIMR Berghofer Med Res Inst, Brisbane, Qld 4006, AustraliaShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Liu, Tianqing
Zhang, Shuocheng
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Shenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R ChinaShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Zhang, Shuocheng
Wang, Yingbo
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Shenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R ChinaShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Wang, Yingbo
Haridy, Salah
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Univ Sharjah, Dept Ind Engn & Engn Management, Sharjah, U Arab Emirates
Benha Univ, Benha Fac Engn, Dept Mech Engn, Banha, EgyptShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Haridy, Salah
Araby, Sherif
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Shenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China
Benha Univ, Benha Fac Engn, Dept Mech Engn, Banha, EgyptShenyang Aerosp Univ, Coll Aerosp Engn, Shenyang 110136, Liaoning, Peoples R China