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Hybrid Petroleum Institute - Metalografía

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 De laboratorio y en campo

 

Es la realización de una reseña histórica del material buscando microestructura, inclusiones, tratamientos térmicos a los que haya sido sometido,  con el fin de determinar si dicho material cumple con los requisitos para los cuales ha sido diseñado; además hallaremos la presencia de material fundido, forjado y laminado. Se conocerá la distribución de  fases que componen la aleación y las inclusiones no metálicas, así como la presencia de segregaciones y otras irregularidades.

 

La metalografía in situ o de campo es una técnica que se utiliza cuando los componentes a ser examinadas son muy grandes para ser llevadas a un laboratorio. Estos componentes no pueden ser seccionados o físicamente alterados. Esta técnica se llama a veces metalografía no destructiva. En la industria del acero la metalografía se utiliza para inspeccionar los rodillos de laminación.

  1. La técnica se puede aplicar en el sitio.
  2. La técnica puede ser utilizada como un monitor de la calidad de un componente.
  3. La técnica es no destructiva
  4. La metalografía in situ puede ser un monitor de los cambios microestructurales en un componente durante su vida como por ejemplo reactores químicos, válvulas de presión, turbinas, intercambiadores de calor, y materiales sometidos a creep
  5. La metalografía puede complementar una técnica no destructiva como por ejemplo el ensayo de ultrasonido