A Study on the Tensile Strength of the Layer Splice Laminates

Ling Wang; Pu Rong Jia; Gui Qiong Jiao

doi:10.4028/www.scientific.net/AMR.399-401.351

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 399-401A Study on the Tensile Strength of the Layer...

A Study on the Tensile Strength of the Layer Splice Laminates

Abstract:

The tensile strength of carbon fiber reinforced resin matrix layer splice laminate was studied. Three specimens (M1.M2.M3) were cut from laminates with different joint location and the number of layer splice. Load schemes were performed and typical load-displacement curves of three specimens were recorded. The result shows that the joint location has seriously effect on the tensile strength and modulus of specimens. The tensile strength of M2 is obviously lower than that of M1 and M3. Furthermore finite element ABAQUS6.5 was also used to simulate the course of experimental test. The result shows that shear stress concentration occurs on the joint of model. The shear stress on the model M1 and M2 has the similar trend and concentrates in the middle of the joint area. And on the model of M3 the shear stress has a completely different trend from the M1 and M2 model. On the M2 the shear stress concentration is slightly higher than the other two. It indicates that the tensile strength of M2 is the lowest among the three models. So, the inter-laminar shear stress is the major factor leading tensile failure. The experimental tests are consistent with the finite element analysis.