The Characterization After Normalizing Treatment of Hot Forged 16MnCr5 and 20MnCr5 Cementation Steels


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Beköz Üllen N., Ersoy M.

IMMC2021-International Metallurgy and Materials Congress, 10 - 12 Haziran 2021, ss.151-154, (Tam Metin Bildiri)

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Sayfa Sayıları: ss.151-154
  • Açık Arşiv Koleksiyonu: AVESİS Açık Erişim Koleksiyonu
  • İstanbul Üniversitesi-Cerrahpaşa Adresli: Evet

Özet

Low carbon steels such as 16MnCr5 and 20MnCr5 are a widely used grade of steel in almost every industry including aerospace, transportation, power transmission for manufacturing of gears, camshafts, piston, pins and bearing due to its suitable properties such as toughness, ductility, high tensile strength, good resistance to corrosion. In this study, different heat treatments have been applied to improve the properties of hot forged parts. The microstructure and mechanical properties of the hot-forged samples have been examined in three different processes; after normalizing was applied, cementation and tempering applied without normalizing, and cementation, tempering was applied on the normalized parts. As a result, when normalization is applied before the carburization and tempering processes an increase in core hardness and fatigue lives were observed for the examined parts.