Transactions of the Indian Institute of Metals

, Volume 71, Issue 4, pp 1033–1040 | Cite as

Effects of Different Heat Treatments on Microstructure, Toughness and Wear Behavior of G-X 10CrNiMoNb 18-10 Cast Austenitic Stainless Steel

  • Mehmet Türker
  • Alpay Tamer Ertürk
  • Erdem Karakulak
  • Ersin Asım Güven
Technical Paper


In this study, effects of different heat-treatment on microstructure, wear, hardness and toughness behavior of G-X 10CrNiMoNb 18-10 austenitic stainless-steel samples were investigated. The samples were cast in sand mold. Five different cooling conditions were applied in two heat-treatment stages. Microstructures of the as cast and heat-treated alloys were investigated using a scanning electron microscope to understand the effect of cooling rate on the carbide morphology and size. The role of MC and M23C6 carbides on the properties of the alloy was determined. Also, wear tests were carried out to clarify the relationship between different microstructures obtained by different cooling rates and wear properties of the alloy. The toughness of the samples was measured with the Charpy notched-impact test. To understand the heat-treatment effects, microstructural investigations were conducted with scanning electron microscopy. The results of the tests showed that the sample cooled in furnace has superior wear resistance and toughness compared to other samples. The highest wear resistance and toughness value of the furnace cooled sample is a result of finely dispersed carbide particles.


G-X 10CrNiMoNb 18-10 316Cb Niobium Casting Dry sliding wear Toughness 


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Copyright information

© The Indian Institute of Metals - IIM 2017

Authors and Affiliations

  • Mehmet Türker
    • 1
  • Alpay Tamer Ertürk
    • 2
  • Erdem Karakulak
    • 3
  • Ersin Asım Güven
    • 4
  1. 1.Department of Mechanical EngineeringTurkish Naval AcademyTuzla, İstanbulTurkey
  2. 2.Machine and Metal Technologies DepartmentKocaeli UniversityİzmitTurkey
  3. 3.Department of Metallurgical and Materials EngineeringKocaeli UniversityİzmitTurkey
  4. 4.Department of Mechanical EngineeringKocaeli UniversityİzmitTurkey

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