TY - JOUR
T1 - Effect of TiN addition on corrosion behavior of spark plasma sintered 304L austenitic stainless steel in chloride media
AU - Akinwamide, Samuel Olukayode
AU - Akinribide, Ojo Jeremiah
AU - Mafafo, Marcia
AU - Phumlani, Mjwana
AU - Obadele, Babatunde Abiodun
AU - Abe, Bolanle Tolulope
AU - Olubambi, Peter Apata
N1 - Funding Information:
The authors of this manuscript will like to appreciate Global Excellence Stature (GES) of University of Johannesburg , South Afrtica for funding Akinwamide Samuel Olukayode.
Publisher Copyright:
© 2019 Elsevier Ltd.
PY - 2019
Y1 - 2019
N2 - The corrosion hazards emanating from industries where the use of stainless steel is inevitable has led to the development of materials which are capable of withstanding corrosive environments. In addition to specimen sectioned from a hot rolled austenitic stainless-steel plate, the effect of different weight percentages (2, 4 and 6%) of titanium nitride (TiN) reinforcement addition on the corrosion property of sintered austenitic stainless steel were investigated in 3.5 wt% NaCl electrolyte. Chronopotentiometry and potentiodynamic polarization techniques were used in analysing the corrosion resistance of specimens in the electrolyte. Optical micrographs from a high-resolution microscope showed the formation of more pits on the substrate surfaces of hot rolled and unreinforced sintered specimens, while fewer or no pits were observed on specimens with TiN addition. The corrosion potentials and current densities of specimens obtained from chronoamperometry and potentiodynamic polarization plots further confirmed an improvement in the corrosion resistance of specimens with 2 and 4 wt% TiN reinforcement.
AB - The corrosion hazards emanating from industries where the use of stainless steel is inevitable has led to the development of materials which are capable of withstanding corrosive environments. In addition to specimen sectioned from a hot rolled austenitic stainless-steel plate, the effect of different weight percentages (2, 4 and 6%) of titanium nitride (TiN) reinforcement addition on the corrosion property of sintered austenitic stainless steel were investigated in 3.5 wt% NaCl electrolyte. Chronopotentiometry and potentiodynamic polarization techniques were used in analysing the corrosion resistance of specimens in the electrolyte. Optical micrographs from a high-resolution microscope showed the formation of more pits on the substrate surfaces of hot rolled and unreinforced sintered specimens, while fewer or no pits were observed on specimens with TiN addition. The corrosion potentials and current densities of specimens obtained from chronoamperometry and potentiodynamic polarization plots further confirmed an improvement in the corrosion resistance of specimens with 2 and 4 wt% TiN reinforcement.
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U2 - 10.1016/j.matpr.2019.10.018
DO - 10.1016/j.matpr.2019.10.018
M3 - Conference article
AN - SCOPUS:85090139034
SN - 2214-7853
VL - 28
SP - 384
EP - 387
JO - Materials Today: Proceedings
JF - Materials Today: Proceedings
T2 - 2nd International Conference on Recent Advances in Materials and Manufacturing Technologies, IMMT 2019
Y2 - 20 November 2019 through 22 November 2019
ER -