Thermal residual stress and tensile strength of UACS/Al laminate withdifferent slit angles

J. Xue, W. X. Wang, Y. Takao, T. Matsubara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper focus on the investigation of tensile strength and thermal residual stress inUACS/Al laminates. The UACS (unidirectionally arrayed chopped strands) is made by cuttingparallel slits on unidirectional carbon fiber prepreg. Thus all of the carbon fibers in the cut prepregare 25 mm in length. Six cases of UACS prepregs are prepared with different slit angle θ, which isthe angle between slit and fiber direction, including 5.7°, 11.3°, 16.7°, 31°, 45° and 90°. A UACS/Allaminate consists of one UACS layer with four UACS plies and two aluminum layers, such as [Al/UACS4/Al]. Four pieces of UACS prepreg with alternate slit angle [θ/-θ/θ/-θ] are stackedtogether in the same fiber direction. Then the stacked UACS/Al laminate is cured using anautoclave. Tensile tests are performed to investigate the thermal residuals stress using yieldingpoint-shift method. Experiment results show that thermal residual stress is reduced in the case ofUACS/Al compared to conventional CFRP/Al. Among all the cases, specimen with slit angle of11.3o is the most impressive one with 37.7% reduction of thermal residual stress.

Original languageEnglish
Title of host publicationAdvanced Materials Science and Technology
PublisherTrans Tech Publications Ltd
Pages204-207
Number of pages4
ISBN (Print)9783037856604
DOIs
Publication statusPublished - 2013
Event8th International Forum on Advanced Materials Science and Technology, IFAMST 2012 - Fukuoka City, Japan
Duration: Aug 1 2012Aug 4 2012

Publication series

NameMaterials Science Forum
Volume750
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Other

Other8th International Forum on Advanced Materials Science and Technology, IFAMST 2012
CountryJapan
CityFukuoka City
Period8/1/128/4/12

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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    Xue, J., Wang, W. X., Takao, Y., & Matsubara, T. (2013). Thermal residual stress and tensile strength of UACS/Al laminate withdifferent slit angles. In Advanced Materials Science and Technology (pp. 204-207). (Materials Science Forum; Vol. 750). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/MSF.750.204