X-RAY PHOTOELECTRON MICROSCOPY APPLIED TO METAL EPOXY LAMINATES

被引：19

作者：

KINZLER, M ^{[1
]}

GRUNZE, M ^{[1
]}

BLANK, N ^{[1
]}

SCHENKEL, H ^{[1
]}

SCHEFFLER, I ^{[1
]}

机构：

[1] TEROSON GMBH,HEIDELBERG,GERMANY

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1992年 / 10卷 / 04期

关键词：

D O I：

10.1116/1.577960

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this article we describe the application of x-ray photoelectron microscopy to an industrial epoxy laminate. Cold rolled steel and galvanized steel bonds of an epoxy/dicyandiamide adhesive were studied by lap-shear strength measurements; the fracture surfaces of the sheared coupons were subsequently examined by x-ray photoelectron microscopy and x-ray photoelectron spectroscopy. X-ray photoelectron microscopy allows one to identify the lateral distribution of chemical elements and to distinguish between particulates (silicate filler), adhesively failed regions, and bulk epoxy material with a resolution of 10-mu-m. Areas selected in the microscopy mode were then analyzed by x-ray photoelectron spectroscopy to get information on the local interfacial composition. We find that a reaction between dicyandiamide and the zinc-oxide surface leads to diffusion of molecular zinc complexes into the polymer matrix when the bonds are aged for 14 days in a saturated water vapor environment at 70-degrees-C. No significant decrease in bond strength is induced by the aging process.

引用

页码：2691 / 2697

页数：7

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