Tensile test method for spot welded cross joints

摘要

PROBLEM TO BE SOLVED: To provide a method capable of improving reproductivity of a rising way of a load in a load displacement curve, in a cross tensile test method of a spot-welded joint.SOLUTION: There is provided a tensile test method of a joint spot-welded after superposing metal plates in a cross shape. In the tensile test method of a spot-welded cross joint, a joint is welded and fixed to a hold metal, a jig is superposed on the joint, the hold metal and the jig are tightened together with a bolt, and a tensile load is applied to a peeling direction of the joint via the jig.SELECTED DRAWING: Figure 5