Electrical Behavior of Coated AISI 430 During Two types of Oxidation Tests
Publish place: 2nd National Nano Materials and Nano Technology Conference
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NAYRC02_103
تاریخ نمایه سازی: 10 دی 1388
Abstract:
This work evaluates the electrical behavior of AISI 430 stainless steel which was coated with manganese by pack cementation method. Area-specific resistance (ASR) of the coated substrates was tested as a function of temperature by annealing the samples from room temperature to 800 ºC. Also ASR has been investigated as a function of oxidation time during annealing at 800 ºC. Results showed the increase of temperature redounded to the higher values of ASR and also, the coating layer was converted to Mn3O4 and MnFe2O4 spinels during annealing in isothermal oxidation. These spinels caused to decrease the ASR values for coated substrates (17.4 m cm2) compared to uncoated substrates (36.1 m cm2) after 200 h isothermal oxidation.
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Authors
H Ebrahimifar
Post graduate student, Department of Material Science and Engineering, Shahid Bahonar University of Kerman
M Zndrahimi
Associate Professor, Department of Material Science and Engineering, Shahid Bahonar University of Kerman
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