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Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films


Marijan, Dražen; Slavković, Renata; Vuković, Marijan
Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films // Croatica chemica acta, 72 (1999), 4; 751-761 (međunarodna recenzija, članak, znanstveni)


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Naslov
Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films

Autori
Marijan, Dražen ; Slavković, Renata ; Vuković, Marijan

Izvornik
Croatica chemica acta (0011-1643) 72 (1999), 4; 751-761

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Stainless steel-304; surface modification; oxide growth; passive oxide films

Sažetak
Stainless steel-304 was modified electrochemically by potentiostatic and potentiodynamic methods (triangular and square-wave potential-time program) in 1 mol dm-3 NaOH solution, hydrothermally in 1 mol dm-3 NaOH at 200 oC, and chemically in 0.5 mol dm-3 K2Cr2O7 solution. Oxide films were characterized voltammetrically by the charge of Fe(OH)2/FeOOH surface electrochemical reaction. The stability of the oxide films was measured in 0.5 mol dm-3 H2SO4 by anodic potentiodynamic polarization and by open-circuit potential-time measurements. The hydrothermally grown oxide film was most stable. The most efficient oxide growth was achieved by the use of square-wave type of modification. The oxide modified by this procedure exhibited lower stability than the oxide grown by triangular potential-time program, which was much more stable due to uncompleted reduction of chromium oxide. The importance of careful control of experimental conditions, where a small change in surface treatment could lead to a significant change in corrosion behaviour, is pointed out.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Kemijsko inženjerstvo



POVEZANOST RADA


Projekti:
00981507
125012

Ustanove:
Institut "Ruđer Bošković", Zagreb,
Fakultet kemijskog inženjerstva i tehnologije, Zagreb

Profili:

Avatar Url Dražen Marijan (autor)

Avatar Url Marijan Vuković (autor)

Citiraj ovu publikaciju

Marijan, Dražen; Slavković, Renata; Vuković, Marijan
Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films // Croatica chemica acta, 72 (1999), 4; 751-761 (međunarodna recenzija, članak, znanstveni)
Marijan, D., Slavković, R. & Vuković, M. (1999) Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films. Croatica chemica acta, 72 (4), 751-761.
@article{article, year = {1999}, pages = {751-761}, keywords = {Stainless steel-304, surface modification, oxide growth, passive oxide films}, journal = {Croatica chemica acta}, volume = {72}, number = {4}, issn = {0011-1643}, title = {Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films}, keyword = {Stainless steel-304, surface modification, oxide growth, passive oxide films} }
@article{article, year = {1999}, pages = {751-761}, keywords = {Stainless steel-304, surface modification, oxide growth, passive oxide films}, journal = {Croatica chemica acta}, volume = {72}, number = {4}, issn = {0011-1643}, title = {Surface modification of stainless steel-304 electrode. 2. An experimental comparative study of electrochemically, hydrothermally and chemically modified oxide films}, keyword = {Stainless steel-304, surface modification, oxide growth, passive oxide films} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus





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