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This report shows the difference in moisture absorption between some coated electrodes stored in packages and others left in the atomosphere. In the experiments, the coated electrodes stored in packages absorbed moisture gradually over a long time, and the degrees of moisture absorption for three months were about four percent. For reference, the author carried out the tension test and found that the effect of four percent moisture absorption of coated electrodes on mechanical properties of weld was not so remarkable.
社団法人溶接学会の論文