Galvanic Corrosion
Dissimilar metals in contact with each other in presence of moisture, acting as a battery and causing an electrolytic etching deteriorating effect.
Instrument for measuring the degree of gloss in relative terms. Such instruments measure the light reflected at a selected specular angle.
Measuring device with two registration elements which determine if a feature to be measured is between two established limits.
1 Crystaline orientation of material in the direction of mill rolling. 2 Orientation of a surface finish generated by abrasive method.
Material clamping devices often serrated for additional holding force to restrain material during a die operation.