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Butt joints between stainless steel epoxy/stainless steel have been constructed from steel samples which have had their bonding surfaces subject to (a) argon-ion bombardment at 8 keV, total flux of 1018 ions cm−2, (b) abraded with 180-220 mesh alumina grit and degreased, and (c) similar treatment to (b) but subjected to ion-bombardment. All the steel surfaces which were sputtered in argon at a background pressure of 10−5 Pa were not allowed to come into contact with air at ambient pressure even when forming the butt joints.
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F. S. Baker (1979) studied this question.
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