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A statistical treatment of the loss of stiffness during cyclic loading for short fiber reinforced injection molded composites

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Abstract
Injection molded short fiber reinforced composites (SFRC) have different local fiber orientation distribution (FOD) at every point. SN curves of short fiber reinforced composites are known to depend on the fiber orientation distribution. Such materials also suffer from continuous loss of stiffness during cyclic loading. It is not known whether the loss of stiffness is different for SFRC with different FOD. A statistical analysis of the loss of stiffness curves is presented in this paper. Tension-tension fatigue experiments are performed and loss of stiffness is collected for every data point in the SN curve. A systematic method for comparing the loss of stiffness is developed. It is concluded that the difference in loss of stiffness curves for coupons of SFRC with different FOD is not statistically significant. (C) 2016 Elsevier Ltd. All rights reserved.
Keywords
FATIGUE BEHAVIOR, POLYMER COMPOSITES, DAMAGE MECHANISMS, ORIENTATION, INCLUSIONS, STRESS, TEMPERATURE, MATRIX, Statistical properties/methods, Fatigue, Injection moulding, Mechanical, testing

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MLA
Jain, Atul et al. “A Statistical Treatment of the Loss of Stiffness During Cyclic Loading for Short Fiber Reinforced Injection Molded Composites.” COMPOSITES PART B-ENGINEERING 103 (2016): 40–50. Print.
APA
Jain, Atul, Van Paepegem, W., Verpoest, I., & Lomov, S. V. (2016). A statistical treatment of the loss of stiffness during cyclic loading for short fiber reinforced injection molded composites. COMPOSITES PART B-ENGINEERING, 103, 40–50.
Chicago author-date
Jain, Atul, Wim Van Paepegem, Ignaas Verpoest, and Stepan V. Lomov. 2016. “A Statistical Treatment of the Loss of Stiffness During Cyclic Loading for Short Fiber Reinforced Injection Molded Composites.” Composites Part B-engineering 103: 40–50.
Chicago author-date (all authors)
Jain, Atul, Wim Van Paepegem, Ignaas Verpoest, and Stepan V. Lomov. 2016. “A Statistical Treatment of the Loss of Stiffness During Cyclic Loading for Short Fiber Reinforced Injection Molded Composites.” Composites Part B-engineering 103: 40–50.
Vancouver
1.
Jain A, Van Paepegem W, Verpoest I, Lomov SV. A statistical treatment of the loss of stiffness during cyclic loading for short fiber reinforced injection molded composites. COMPOSITES PART B-ENGINEERING. Oxford: Elsevier Sci Ltd; 2016;103:40–50.
IEEE
[1]
A. Jain, W. Van Paepegem, I. Verpoest, and S. V. Lomov, “A statistical treatment of the loss of stiffness during cyclic loading for short fiber reinforced injection molded composites,” COMPOSITES PART B-ENGINEERING, vol. 103, pp. 40–50, 2016.
@article{8533610,
  abstract     = {Injection molded short fiber reinforced composites (SFRC) have different local fiber orientation distribution (FOD) at every point. SN curves of short fiber reinforced composites are known to depend on the fiber orientation distribution. Such materials also suffer from continuous loss of stiffness during cyclic loading. It is not known whether the loss of stiffness is different for SFRC with different FOD. A statistical analysis of the loss of stiffness curves is presented in this paper. Tension-tension fatigue experiments are performed and loss of stiffness is collected for every data point in the SN curve. A systematic method for comparing the loss of stiffness is developed. It is concluded that the difference in loss of stiffness curves for coupons of SFRC with different FOD is not statistically significant. (C) 2016 Elsevier Ltd. All rights reserved.},
  author       = {Jain, Atul and Van Paepegem, Wim and Verpoest, Ignaas and Lomov, Stepan V.},
  issn         = {1359-8368},
  journal      = {COMPOSITES PART B-ENGINEERING},
  keywords     = {FATIGUE BEHAVIOR,POLYMER COMPOSITES,DAMAGE MECHANISMS,ORIENTATION,INCLUSIONS,STRESS,TEMPERATURE,MATRIX,Statistical properties/methods,Fatigue,Injection moulding,Mechanical,testing},
  language     = {eng},
  pages        = {40--50},
  publisher    = {Elsevier Sci Ltd},
  title        = {A statistical treatment of the loss of stiffness during cyclic loading for short fiber reinforced injection molded composites},
  url          = {http://dx.doi.org/10.1016/j.compositesb.2016.08.002},
  volume       = {103},
  year         = {2016},
}

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