Mechanical and structural properties of AISI 8620 steel TiN coated, nitrided and TiN coated plus nitrided

Efeoglu I., Celik A.

MATERIALS CHARACTERIZATION, cilt.46, sa.4, ss.311-316, 2001 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 46 Sayı: 4
  • Basım Tarihi: 2001
  • Doi Numarası: 10.1016/s1044-5803(00)00110-8
  • Dergi Adı: MATERIALS CHARACTERIZATION
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.311-316
  • Anahtar Kelimeler: TiN, plasma nitriding, CFUBMS, FIELD SPUTTERING SYSTEM, TRIBOLOGICAL PROPERTIES, TITANIUM NITRIDE, MAGNETRON
  • Atatürk Üniversitesi Adresli: Evet

Özet

The mechanical and structural properties of TiN-coated, plasma-nitrided and TiN coated-nitrided AISI 8620 steel were investigated. The plasma nitriding process was carried out under various conditions of temperature (500 degreesC), time (1, 4, 10 h), and gas mixture (70% N-2 + 30% H-2) at 10-mbar working pressure. The titanium nitride coatings were deposited using a closed-field unbalanced magnetron sputtering system (CFUBMS). Nitrided, TiN-coated and TiN+nitrided sample surface were characterized using microhardness tests, X-ray diffraction (XRD), and scanning electron microscopy (SEM). The highest microhardness (10 gf) was obtained at 500 degreesC for 4 h nitriding time. The alloy nitrides produced (CrN, Mn4N) showed a stable condition at all nitriding times. The adhesion of nitrided+TiN coated sample was obtained at 4 h using a plasma-nitrided process. (C) 2001 Elsevier Science Inc. All rights reserved.