Examine the following isometric drawings of the surfaces of conversion coatedmetals. Which do you suppose will result in good adhesive bond durability and why?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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1. Examine the following isometric drawings of the surfaces of conversion coatedmetals. Which do you suppose will result in good adhesive bond durability and why?
Deep, micron-sized
cracks in the surface
Small,
shallow
cracks in
the
1200
SmoothSurfac
Angstrom
Units
1.5 micron
Smooth
Surface
1 micron
Basemetal
Base metal
Base metal
I micron
BafAhetal
Bas Btal
Base m
Transcribed Image Text:Deep, micron-sized cracks in the surface Small, shallow cracks in the 1200 SmoothSurfac Angstrom Units 1.5 micron Smooth Surface 1 micron Basemetal Base metal Base metal I micron BafAhetal Bas Btal Base m
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Step 1

From the above given figures, the surface A with 1200 Angstrom (0.12 micron) gap between the two base metals will have good adhesion and last longer.

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