爆発圧接境界の溶融層の研究(第 2 報)

概要

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The formation of a fusion layer (or alloy) on the bonded boundary in explosive bonding was discussed in this paper. For various combinations of dissimilar metals made by explosive bonding, the constitution of fusion layer at an interface was determined by x-ray microanalyser, then this measured value was corrected using absorption coefficient, etc. and a true value of the constitution was found (Table 1). Assuming that momentarily heat was supplied at the interface of dissimilar metals, successively these metals were melted by the conducted heat, and the rate of melted volume was given by the equation (calculated value A, Table 1). [numerical formula] From the former equation, assuming that equivalent heat was generated in metals near the interface, the rate of melted volume of these metals was given by the equation (calculated value B, Table 1). [numerical formula] The averaged values [numerical formula] of (A) and (B) well agreed with the measured values (Fig. 7). The result showed that heat was generated at the interface and at the inner metal near interface by plate impact, then the heat was conducted and it melted these metals of interface. Under combination of metals having a large difference of melting points, the melting point of layer was substituted for those of metals, so that the calculated value became equal to the measured value.
社団法人溶接学会の論文
1969-12-25