金属表面阳极氧化提高粘接剂与金属粘接性能的研究

A STUDY ON THE PROMOTION OF ADHESION PROPERTIES OF ADHESIVES TO METALS TREATED BY POSITIVE OXIDATION

作者用PE粘接剂与分别经抛光、喷砂、阳极氧化或复合处理的Durabond、GH_(30)和软质Co-Cr三种合金进行粘接的研究,以考察表面处理对粘接性能的影响。结果表明,经表面复合处理后的上述三种合金与PE粘接剂的抗张粘接强度分别为214.65±51.68、372.88±21.88和349.21±48.32kg/cm^2,显示了较好的粘接性能和耐水稳定性。作者并比较了PE、EB和Panavia-EX树脂等的粘接效果展果:除PE和Panavia-EX与Durabond粘接TBS值无显著性差异外(P>0.05),PE与另外两种合金粘接的TBS值均高于Panavia-EX和EB复合树脂(P<0.01)。PE与Durabond粘接的TBS值亦高于EB复合树脂。

The adhesoin to three alloys: Durabond,GH30 and soft Co-Cr, by PE adhesive wasinvestigated. The surfaces of metals weretreated by polishing, sand-blasting, positive-oxidation and complex processing in orderto test the tensile bond strengths betweenmetals and PE adhesive; to study the effectsof the surface treatment of metals on adhe-sive properties; and to compare the tensilestrength with that from the control experi-ment with EB composite resin and Panavia-EX resin under the same conditions. Theresults showed the mean tensile bondstrengths between PE adhesive and Dura-bond, GH30 and soft Co-Cr alloys after thetreatment of sandblasting and positiveoxidation were 214.65 ±51.68 kg/cm^2, 372.88±21.88kg/cm^2 and 349.21±48.32kg/cm^2,respectively, displaying better adhesivepro perties and stability of resistance towater.