کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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776250 | 1463489 | 2014 | 8 صفحه PDF | دانلود رایگان |
In this investigation, the effect of mechanical and chemical treatments on titanium for bonding to a rubber toughened epoxy adhesive has been examined. Titanium alloy was roughened using either abrasion or grit-blasting techniques. An air-plasma treatment of the titanium prior to organosilane treatment also improved uniformity of the resultant thin film as determined by AFM and XPS. Grit-blasting significantly increased the titanium surface roughness and increased the alumina character of the surface layers. The fracture toughness of the epoxy-titanium bonds, as measured by the wedge test, was affected by the degree of surface roughness at short humid-exposure times. Further, the addition of a thin organosilane film to the titanium slowed degradation rates and led to higher fracture toughness at longer humid-exposure times.
Journal: International Journal of Adhesion and Adhesives - Volume 48, January 2014, Pages 20–27