Formation of Large Blisters on Rolled Mo Surface Bombarded with Hydrogen Ions

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Abstract
Relatively large blisters were observed on the surface of rolled plates of polycrystalline molybdenum bombarded with hydrogen ions at energies of 160 eV or greater. Some blisters have a skin thickness about 2 orders of magnitude larger than the projected range of implanted ions, thus being distinguished from those of usual radiation blistering. The formation of such large blisters depends on the texture of the metal specimen, and may be attributed to the high pressure gas produced by the recombination of hydrogen atoms at the site of the defects originating in the fabrication of the specimen.