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Influence Of Processing By Metal Injection Moulding In The Elastic Modulus Of Pure Nickel Parts For Magnetic Applications

  • : Gemma Herranz1, Ana Romero1, Angel Luis Morales1
  • : 1Universidad de Castilla La Mancha
  • : PDF Download
  • : 2016

Abstract

Metal injection moulding technique allows for the production of small parts with complex geometry, so avoiding some frequent defects caused by other processing techniques. In the present work, pure nickel parts were prepared by metal injection moulding (MIM). The influence of the sintering conditions and the hot isostatic pressing (HIP) treatment on the density, microstructure, hardness and the resulting effects on the magnetic properties were analyzed. The measurements of the variation of the elastic modulus were performed subjecting the samples to a free longitudinal vibration, and they remained within different magnetic fields 0-2000 Oe. The optimum magnetic properties were achieved by maximizing the density values obtained after sintering and HIP treatment. The parts processed by MIM showed an important increase in elastic modulus variation compared to the values obtained by traditional processing technique. An even higher increase in elastic modulus variation was obtained after HIP treatment.

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