軟鑞接の研究(第4報)

概要

論文の詳細を見る
In this reports is tested the tensile shear-strength of the soft soldered joints, which are soldered on the condition, closed to the actual soldering condition, for short time at lower temperature. The test pieces are the double lap joints, which are made in the jig, (Fig. 1) and the test pieces are not suffered from the bending stress at the testing. It is generally thought that the strength of the soldered joints depend on the base metal, solder, soldering temperature, clearance, fluxes and soldering time, so the effects of these factors on the shear strength are studied. 1) The joint failure do not occur in the intermetallic compound film, at the interface of base metal and solder, but always occur in the solder itself-cohesive failure. 2) The tensile shear-strength of 70 : 30 tin-lead solder is greatest. 3) The difference of the strength of joints, which are made with the different fluxes are not recognized. 4) The strength of the brass joints are greater than the copper joints. 5) The intermetallic compounds do not always fall off the strength of the soldered joints.
社団法人溶接学会の論文
1961-04-25