期刊论文

Ke, Lu;He, Jun

英文

Composite Structures

0263-8223

2019

211

163-174

10.1016/j.compstruct.2018.12.020

Table 3 shows the ultimate loads and failure modes for all the specimens. Dmax and Pult refer to the ultimate load and maximum displacement measured between the fixed end and loading end before the failure of specimens, respectively. PFEA refers to the ultimate load calculated using the FE model. f¯ult refers to the average shear strength calculated as follows: fult=Pult/Lbond·bpwhere Lbond and bp are the length and width of the adhesive layer, respectively. The results shown in Table 3 indicate

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The bond between carbon fiber-reinforced polymer (CFRP) composites and steel is a key issue in CFRP-strengthened steel structures. The determination of key parameters in the bond strength model remains debatable. We studied the bond behavior between CFRP and steel, focusing on the effects of different types of epoxy adhesive and CFRP on the failure modes, bond–slip relationships, and bond strength parameters. The results show that due to the use of various materials, some specimens fail in interface debonding characterized by brittle failure, ...