The Effects of Deposition Parameters on Surface Morphology and Crystallographic Orientation of Electroless Ni-B Coatings

Bulbul F.

METALS AND MATERIALS INTERNATIONAL, cilt.17, sa.1, ss.67-75, 2011 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 17 Sayı: 1
  • Basım Tarihi: 2011
  • Doi Numarası: 10.1007/s12540-011-0210-4
  • Dergi Adı: METALS AND MATERIALS INTERNATIONAL
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.67-75
  • Anahtar Kelimeler: thin films, deposition, microstructure, scanning electron microscopy (SEM), X-ray diffraction, NICKEL, BATH, ALLOYS
  • Atatürk Üniversitesi Adresli: Evet

Özet

Electroless Ni-B coatings were deposited on AISI 304 stainless steels by electroless deposition method, which was performed for nine different test conditions at various levels of temperature, concentration of NaBH(4), concentration of NiCl(2), and time, using the Taguchi L(9)(3(4)) experimental method. The effects of deposition parameters on the crystallographic orientation of electroless Ni-B coatings were investigated using SEM and XRD equipment. SEM analysis revealed that the Ni-B coatings developed six types (pea-like, maize-like, primary nodular, blackberry-like or grapes-like, broccoli-like, and cauliflower-like) of morphological structures depending on the deposition parameters. XRD results also showed that these structures exhibited different levels of amorphous character. The concentration of NaBH(4) had the most dominant effect on the morphological and crystallographic development of electroless Ni-B coatings.