Effect of Y2O3 Nanoparticles on Corrosion Study of Spark Plasma Sintered Duplex and Ferritic Stainless Steel Samples by Linear Sweep Voltammetric Method

• Autorzy: Shashanka R. , Chaira D. , Kumara Swamy B. E.

Identyfikatory

DOI

10.24425/122401

• Języki publikacji: EN

Abstrakty

EN

The microstructure and corrosion properties of spark plasma sintered yttria dispersed and yttria free duplex and ferritic stainless samples were studied. Spark plasma sintering (SPS) was carried out at 1000°C by applying 50 MPa pressure with holding time of 5 minutes. Linear sweep voltammetry (LSV) tests were employed to evaluate pitting corrosion resistance of the samples. Corrosion studies were carried out in 0.5, 1 and 2 M concentration of NaCl and H₂SO₄solutions at different quiet time of 2, 4, 6, 8 and 10 seconds. Yttria dispersed stainless steel samples show more resistance to corrosion than yttria free stainless steel samples. Pitting potential decreases with increase in reaction time from 2 to 10 seconds. Similarly, as concentration of NaCl and H₂SO₄ increases from 0.5 M to 2 M the corrosion resistance decrements due to the availability of more Cl¯ and SO₄²¯ ions at higher concentration.

Słowa kluczowe

EN

duplex stainless steel; pitting corrosion; spark plasma sintering; linear sweep voltammetry; ball milling

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 2
• Strony: 749--763
• Opis fizyczny: Bibliogr. 40 poz., rys., tab.

Twórcy

autor

Shashanka R.

• Presidency University, Department of Chemistry, School of Engineering, Bengaluru-560064, India
• National Institute of Technology, Department of Metallurgical and Materials Engineering, Rourkela-769008, India

autor

Chaira D.

• National Institute of Technology, Department of Metallurgical and Materials Engineering, Rourkela-769008, India

autor

Kumara Swamy B. E.

• Kuvempu University, Department of P. G. Studies and Research in Industrial Chemistry, Jnana Sahyadri, Shankaraghatta 577451, Shimoga, Karnataka, India

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Uwagi

EN

1. Financial support for this work from the Council of Scientific & Industrial Research (CSIR), India (Grant No. 22/561/11/EMR II Dated 11.04.2011) is gratefully acknowledged. The authors are also grateful to Dr. D. Chakravarty, ARCI Hyderabad, India for providing SPS facility.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).