Development and evaluation of a methodology to integrate technical and sensorial properties in materials selection

Publication date: 5 September 2018
Source:Materials & Design, Volume 153
Author(s): Agnese Piselli, Weston Baxter, Michele Simonato, Barbara Del Curto, Marco Aurisicchio
In the materials selection process, the use of different tools, languages and perspectives frequently causes disagreement between engineers and industrial designers.The aim of the paper is to define an integrated method for materials selection that provides industrial designers with measurable data to support and explain aesthetic decisions on materials.A new method for materials selection consisting of multiple tools structured in a two-step framework is presented. The method is tested through a case study of professional kitchen appliances where metal components are replaced with polymers. The first step involved the application of an established technique to identify polymeric bulk solutions, based on their technical properties. The second step employed a sensory analysis test to choose suitable finishes. Thirty-seven individuals performed the test: the subjects highlighted their main perceptions of metal and metal-look polymer finishes.The research demonstrates that the proposed method is suitable for the evaluation of both technical and sensorial properties of materials. In particular, Mapping test represents a rapid, low cost and effective tool to help industrial designers justify Colour Materials and Finish (CMF) choices with quantifiable information.

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