Le présent document spécifie les dimensions des éprouvettes, et décrit un mode opératoire s'appliquant aux essais par déboutonnage mécanisé des soudures à un point de soudage isolé, à la molette et par bossages, réalisées sur des tôles soudées par recouvrement.
ISO 14270:2016 specifies specimen dimensions and a testing procedure for mechanized peel testing of single spot, seam and embossed projection welds, in overlapping sheets, in any metallic material of thickness 0,5 mm to 3 mm, where the welds have a maximum diameter of 7√t (where t is the sheet thickness in mm). For welds of diameter between 5√t and 7√t, the peel strength values obtained may be lower than expected when using the recommended test specimen dimensions because the test specimen width is designed for welds of diameter of 5√t or less. The object of mechanized peel testing is to determine the peel strength that the test specimen can sustain.
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