publication . Article . 2018

Experimental investigation on the mechanical behaviour of 3D carbon/carbon composites under biaxial compression

Xu, C.; Song, L.; Zhu, Hanxing; Meng, S.; Xie, W.; Jin, H.;
Open Access
  • Published: 15 Mar 2018 Journal: Composite Structures, volume 188, pages 7-14 (issn: 0263-8223, Copyright policy)
  • Publisher: Elsevier BV
  • Country: United Kingdom
Abstract The effects of complex state of stress on the compressive behaviour of 3D carbon/carbon composites are investigated by application of uniaxial and biaxial loadings using a specially developed Zwick cruciform testing facility. The shape of the biaxially loaded cruciform specimen is optimised to avoid premature fracture outside the gauge section. A semi-analytical method is proposed to determine the stress components in the gauge section of the biaxial specimen. The experimentally obtained failure stress relation, which traces an elliptical path in the principal stress space, can be well represented by the Tsai criterion with a stress interaction paramete...
free text keywords: Civil and Structural Engineering, Ceramics and Composites, Gauge (firearms), Compression (physics), Carbon, chemistry.chemical_element, chemistry, Structural engineering, business.industry, business, Cruciform, Composite material, Torsion (mechanics), Biaxial tensile test, Reinforced carbon–carbon, Bending, Materials science
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