Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (03): 45-50.doi: 10.13475/j.fzxb.20190406506

• Textile Engineering • Previous Articles     Next Articles

Elastic and electrical properties of stainless steel fiber/cotton blended spandex wrap yarn

ZHAO Yaru1,2, XIAO Hong2,3(), CHEN Jianying1,2   

  1. 1. College of Textiles, Donghua University, Shanghai 201620, China
    2. Institute of Quartermaster Engineering & Technology, Institute of System Engineering, Academy of Military Science, Beijing 100010, China
    3. School of Materials Science and Engineering, Wuhan Textile University, Wuhan, Hubei 430000, China
  • Received:2019-04-23 Revised:2019-12-15 Online:2020-03-15 Published:2020-03-27
  • Contact: XIAO Hong E-mail:76echo@vip.sina.com

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Abstract:

In order to develop electromagnetic functional yarns with both elastic and electrical properties, a series of elastic stainless steel fiber/cotton ammonia yarns were developed with spandex as the core yarn and wrapped with stainless steel fiber/cotton blended yarn. On the Instron 5566 tester, combined with a multimeter, the stress-strain, strain-resistance and elongational elastic recovery curves of the elastic yarn were obtained, and the electrical properties of the yarn under different tensile conditions were investigated. The results show that the addition of spandex yarn improves the elastic properties of stainless steel fiber/cotton blended yarn, but the spandex core yarn would fracture easily. When the content of stainless steel short fiber increases, the elastic elongation and recovery properties of elastic yarn decrease, and plastic deformation increases. The strain increases of the elastic yarn, causes the electrical resistance of the stainless steel fiber/cotton ammonia yarn to increase first and then decreases until the yarn breaks, and the maximum value of the resistance occurs when the spandex filament is straight but not elongated.

Key words: electromagnetic functional yarn, elastic recovery rate, plastic deformation rate, electrical properties, conductive yarn

CLC Number: 

  • TS155.6

Tab.1

Sample specifications and related data"

纱线
编号		 纱线组成 线密度 捻度/
(捻·m-1)
1# 不锈钢短纤维/棉(30/70)包覆氨纶 16.4 tex —
2# 不锈钢短纤维/棉(20/80)包覆氨纶 16.4 tex —
3# 不锈钢短纤维/棉(30/70) 16.4 tex —
4# 不锈钢短纤维/棉(20/80) 16.4 tex —
5# 棉/氨纶(95/5) 49.2 tex —
6# 2根1#纱合股 16.4 tex×2 460
7# 2根2#纱合股 16.4 tex×2 460
8# 1#和5#合股 16.4 tex+49.2 tex 320
9# 2#和5#合股 16.4 tex+49.2 tex 320
10# 2根1#和氨纶长丝并合 16.4 tex×2+4.44 tex 550
11# 2根2#和氨纶长丝并合 16.4 tex×2+4.44 tex 550

Fig.1

Elastic recovery rate and plastic deformation rate of yarns with different stainless steel short fiber content"

Fig.2

Schematic diagram of yarn shape change during stretching"

Fig.3

Typical stress-strain and strain-resistance curves"

Fig.4

Strain-resistance curves of yarns with different stainless steel short fiber content"

Fig.5

Strain-resistance curves of different elastic yarns"

Fig.6

Strain-resistance curves of 1#、2#、6#、7# yarn"

Fig.7

Strain-resistance curves of 1# and 10# yarn"

Fig.8

Strain-resistance curves of 2# and 11# yarn"

Fig.9

Appearance of 1#、2#、5#、6#、7# yarn"

Fig.10

Status of 1# ammonia covered yarn. (a) Entire state of yarn(×70); (b) Spandex yarn broken portion in yarn(×130); (c) Spandex yarn unbroken portion in yarn(×130)"

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