I'm interning at a small company, and I am working on a project involving the characterization of polymer parts. our company lacks the necessary equipment for this task, and outsourcing to a research center proved too costly for our budget. We're considering designing the testing apparatus ourselves—specifically for tension and compression tests. Do you know where I can access the international standards for these tests?
Dear Maryame el-yazidi, the question is a bit confusing! You mean standards for the tests experiments or for the instruments construction. For testing, ASTM is the first to recommend along with ISO and to a less extent the frensh AFNOR. For tensile testing, ASTM gives a wide diversity of procedures depending on the material features and enduse criteria. Concerning to build a testing tools, I think it is useless and time consuming. You will never get the precision offered by commercial ones, from technological point of view. My Regards
Thank you for your response. I was referring to standards for instrument construction. I understand that achieving the same level of precision with homemade testing tools is challenging. While it may seem like the only option, I acknowledge that it could potentially be ineffective. Regards.
Switch to Russian standards, in which the devices are quite simple, understandable, and, when digitized, accurate enough for practical purposes. The GOST system has all the necessary information for self-reproduction of techniques. If you need scientific data with high accuracy to study new phenomena, then it is better to buy Western European ones. You probably need a production bench to determine the tensile strength and a coper to determine the impact strength. Hardness testers are inexpensive and available in China.
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