Mode I delamination of a five harness satin weave carbon fibre composite and the corresponding toughening mechanisms are studied using a multiscale finite element model of delamination growth in a double cantilever beam (DCB) specimen. The toughening mechanisms related to the fabric structure are studied by embedding a meso-scale model of the fibre architecture in the delamination zone into a macro-scale model of a DCB specimen. The R-curves and the load displacement curves obtained from this analysis agree with the lower bound of the experimental results. The analysis identified two major toughening mechanisms: the inter-yarn locking ahead of the delamination front causing stress relaxation and the formation of sub-surfaces. Contribution of each toughening mechanism towards total delamination toughness is quantitatively evaluated, identifying the inter-yarn locking as the main source of toughening in mode I delamination of fabric composites. Video abstract: Multimedia 1 shows the different stages of the mode I delamination growth in a 5HS composite DCB specimen and its corresponding load displacement curve. (C) 2015 Elsevier Ltd. All rights reserved.
机构:
Institute of Chemical Machinery and Process Equipment, Zhejiang University, HangzhouInstitute of Chemical Machinery and Process Equipment, Zhejiang University, Hangzhou
Liu P.F.
Gu Z.P.
论文数: 0引用数: 0
h-index: 0
机构:
Institute of Chemical Machinery and Process Equipment, Zhejiang University, HangzhouInstitute of Chemical Machinery and Process Equipment, Zhejiang University, Hangzhou
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, Malaysia
Multimedia Univ, Fac Engn & Technol, Ctr Adv Mat & Green Technol, Jalan Ayer Keroh Lama, Melaka 75450, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, Malaysia
Low, K. O.
Teng, S. M.
论文数: 0引用数: 0
h-index: 0
机构:
Multimedia Univ, Fac Engn & Technol, Ctr Adv Mat & Green Technol, Jalan Ayer Keroh Lama, Melaka 75450, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, Malaysia
Teng, S. M.
Johar, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, Malaysia
Johar, M.
Israr, H. A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, Malaysia
Israr, H. A.
Wong, K. J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Skudai 81310, Johor, Malaysia