期刊
RARE METALS
卷 40, 期 4, 页码 934-938出版社
NONFERROUS METALS SOC CHINA
DOI: 10.1007/s12598-018-1029-7
关键词
Interfacial strength; Interface structure; Carbon nanotube; Shape memory material; Composite
By designing a novel interface structure incorporating aminated carbon nanotubes, the interfacial strength and interphase region strength between TiNi wires and shape memory epoxy have been enhanced. The interfacial shear strength initially increases with the rise in CNT content, but then experiences a dramatic drop.
In order to increase both the interfacial strength and interphase region strength between TiNi wires and shape memory epoxy, a novel interface structure including aminated CNTs was designed. The morphology shows that after electroplating and etching, continuous and homogeneous concave-convex layers form on the surface of as-treated TiNi wires, meanwhile aminated CNTs were planted on the surface which could react with shape memory epoxy at the interface region. The interfacial shear strength increases first with the CNT content rising but then a dramatic drop happens, and the maximum is obtained at CNT content of 0.6 g center dot L-1, which is about twice the result of acid etching TiNi wires.
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