Thin Metallic Superficial Layers With Special Properties Deposed on Steels by Electric Discharge in Impulse

  • Sorinel TANASUCA "Gheorghe Asachi" Technical University of Iasi, Romania
  • Ioan ALEXANDRU "Gheorghe Asachi" Technical University of Iasi, Romania
  • Sorin Iacob STRUGARU "Gheorghe Asachi" Technical University of Iasi, Romania
  • Adrian ALEXANDRU "Gheorghe Asachi" Technical University of Iasi, Romania

Résumé

The surface engineering, as interdisciplinary technical science is a relative new concept which appeared in high developed countries as a result of the processing of the metallic materials with distinct properties and as a result of spectacular development of the thermal treatments.
The obtaining of the thin layers by electric spark presents some advantages as: high adherence of the layers, permits deposition of all materials which have electrical conductivity, but there are some disadvantages as: residual stress in layer and large roughness.

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Références

[1]. Alexandru Adrian. Contribuţii privind alierea şi depunerea superficialăprin scânteie electricăşi influenţa tratamentelor termice asupra caracteristicilor straturilor obţinute ale materialelor metalice. Teză de doctorat, Iaşi, 2002.
[2]. Abramciuc Alexandru. Application electrospark alloying in production of electric contact. In Bul. I.P. Iaşi, 2000.
[3]. Alexandru Adrian, ş.a. Films metalic materials and biomaterials. In Bul. I.P.Iaşi, Tom XLV, fasc. 1-2, 1999.
Publiée
2006-05-15
Rubrique
Articles