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<p>[QUOTE=&quot;ErolGarip, post: 2864633, member: 88736&quot;]Porosity in the aluminum is due to the hydrogen, dissolved hydrogen in the aluminum especially during the production. You know there is water (H2O) in the air also. To remove the hydrogen in the aluminium, heating it in microwave furnace a little may help? We were doing that in aluminum casting. (anyway, am not knowledgable in chemistry and metalurgy.)[/QUOTE]</p><p><br /></p>

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