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On the visco-elasto-plastic response of additively manufactured polyamide-12 (PA-12) through selective laser sintering

(2017) POLYMER TESTING. 57. p.149-155
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AMCAE, A-STREAM-AFO
Abstract
This work presents an in-depth study on the mechanical behavior of selective laser sintered (SLS) nylon (PA-12). The entire visco-elasto-plastic response is determined based on experimental data obtained through tensile, compression, shear and relaxation testing. In addition, ultrasonic non-destructive testing is proposed as an alternative to conventional testing for the derivation of the elastic properties of this material. An isotropic elastic behavior was observed, while a clear orthotropic and non-linear response was found for both the plastic curves and the relaxation behavior. Strength data suggests laser sintered PA-12 will fail in tension rather than in shear. The ultrasonic tests correspond well to conventional tensile data (at high rates), and represent a cost-effective alternative to extensive conventional tensile testing. The presented test data can potentially be used to derive a detailed material model suitable for modelling static, fatigue and impact applications using 3D printed PA-12.
Keywords
3D printing, additive manufacturing, nylon, testing

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Citation

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Chicago
Lammens, Nicolas, Mathias Kersemans, Ives De Baere, and Wim Van Paepegem. 2017. “On the Visco-elasto-plastic Response of Additively Manufactured Polyamide-12 (PA-12) Through Selective Laser Sintering.” Polymer Testing 57: 149–155.
APA
Lammens, N., Kersemans, M., De Baere, I., & Van Paepegem, W. (2017). On the visco-elasto-plastic response of additively manufactured polyamide-12 (PA-12) through selective laser sintering. POLYMER TESTING, 57, 149–155.
Vancouver
1.
Lammens N, Kersemans M, De Baere I, Van Paepegem W. On the visco-elasto-plastic response of additively manufactured polyamide-12 (PA-12) through selective laser sintering. POLYMER TESTING. 2017;57:149–55.
MLA
Lammens, Nicolas, Mathias Kersemans, Ives De Baere, et al. “On the Visco-elasto-plastic Response of Additively Manufactured Polyamide-12 (PA-12) Through Selective Laser Sintering.” POLYMER TESTING 57 (2017): 149–155. Print.
@article{8199225,
  abstract     = {This work presents an in-depth study on the mechanical behavior of selective laser sintered (SLS) nylon (PA-12). The entire visco-elasto-plastic response is determined based on experimental data obtained through tensile, compression, shear and relaxation testing. In addition, ultrasonic non-destructive testing is proposed as an alternative to conventional testing for the derivation of the elastic properties of this material. An isotropic elastic behavior was observed, while a clear orthotropic and non-linear response was found for both the plastic curves and the relaxation behavior. Strength data suggests laser sintered PA-12 will fail in tension rather than in shear. The ultrasonic tests correspond well to conventional tensile data (at high rates), and represent a cost-effective alternative to extensive conventional tensile testing. The presented test data can potentially be used to derive a detailed material model suitable for modelling static, fatigue and impact applications using 3D printed PA-12.},
  author       = {Lammens, Nicolas and Kersemans, Mathias and De Baere, Ives and Van Paepegem, Wim},
  issn         = {0142-9418},
  journal      = {POLYMER TESTING},
  keyword      = {3D printing,additive manufacturing,nylon,testing},
  language     = {eng},
  pages        = {149--155},
  title        = {On the visco-elasto-plastic response of additively manufactured polyamide-12 (PA-12) through selective laser sintering},
  url          = {http://dx.doi.org/10.1016/j.polymertesting.2016.11.032},
  volume       = {57},
  year         = {2017},
}

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