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Complex evaluation of quality of glued-mechanical joints

The component tree of the complex index of the glued-mechanical joint quality is presented. Its main branches are purpose and processability indices, and economy indices. The change of quality indices when replacing the traditional mechanical joints (welded, riveted) by the glued-mechanical ones (glued-welded, glued-riveted) was examined. The classification of factors that have influence on fracture processes of glued-mechanical joints is given. Based on analysis of fracture characters of glued-mechanical joints, possible causes of fractures are demonstrated.