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The presence of weldline in rubber products is regarded as a one of the most undesirable phenomena, since it result in poor mechanical properties. Designers typically minimize the influence of weldlines by their placement in non-critical areas and the application of a factor of safety based on design specifications and anticipated failure modes. Such practice results in over-design of parts, since the factor of safety is generally independent of the material. Truly cost-effective part designdoi:10.1016/j.egypro.2014.07.189 fatcat:hwtfcevqbzg77fjws2nwhvtkou