Glass bonding tests

The glass-bonded alumina described in Problem 9.15 is to be used as a grinding ball for ball-milling operations. In the initial development, a series of tests was performed and the results were as follows ... 

Resistance of Adhesives to Cyclic Aging Conditions, Test for (Dll 83) Bonding Permanency of Water- or Solvent-Soluble Dquid Adhesives for Labeling Glass Bottles, Test for (D 1581)... 

For evaluation of the bonding quality obtained with the different bonding strategies, each approach was subjected to a series of leak tests. The following setup was used for this purpose. The bonded test system consisting of a glass chip bonded to a PMMA microfluidic scaffold was mounted onto an inverted microscope. In an inverted microscope, the objectives are below the observed object allowing easy... 

D 1039-65 Testing glass-bonded mica used as electrical insulation... 

There are no D-14 standards specifically designed to test the durability of plastics or glass bonding adhesives. However, for screening purposes, one or more of the general-purpose adhesive strength tests could be combined with selected exposure and the associated strength loss measured. 

Tensile strength tests for glass bonding adhesives. D-0897 and D-1344. (See metal, strength, tensile.)... 

Shear strength tests for glass bonding adhesives. 

Subsequent to processing, an inspection is made for incomplete bonding, inside dirt, and glass quaUty. In the case of windshields, rigid optical standards must be met, and these must be evaluated for the completed windshield. Extensive test requirements are described in the appropriate codes (11,12,15,18—24), and they include light stabiUty, resistance to optical distortion, humidity, boil test, abrasion resistance, and assorted impact tests. 

There is no single test that will give a quantitative assessment of adhesion, and those which have been proposed all cause destruction of the test piece. It has already been stated that this property is dependent upon mechanical and chemical bonds between the enamel and the metal. One must, however, also consider the stresses set up at the interface and within the glass itself during cooling after fusion or after a delayed length of time. 

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