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Can Industrial Standards Disregard Thermodynamics And Material Science?

  • : Gian Filippo Bocchini1
  • : 1PM Consultant
  • : PDF Download
  • : 2017

Abstract

At the beginning, the apparently strange, or absurd, question is explained. Two cases are discussed. The DIN Standard 30910-4: Sintered metal materials. ,,, Part 4 …, ignores the effects of carbon content on steel’s properties and microstructure. The Standards ASTM B935 – 16, Standard Guide for Steam Treatment of Ferrous.. (PM) Materials, and MPIF 35 2016, Material Standards for PM Structural Parts, in the section Engineering Information, neglect the Fe-O phase diagram and the stability of iron oxides as the temperature varies. The questionable points and the inconsistencies of the Standards are analysed. Then, we advance hypotheses about any possible reason why certainly competent people “forget” materials science and thermodynamics. No certainty as to the most likely hypotheses, but it seems sure that Standards susceptible to strong criticism do not contribute to promote P/M applications. In the interests of P/M technology, its image and its development, effective corrective actions are proposed.

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