Influence of annealing temperature on the nanostructure and corrosivity of Ti/stainless steel substrates

Khojier, K.; Savaloni, Hadi; Kangarloo, Haleh; Ghoranneviss, M.; Yari, Mohammad

doi:10.1016/j.apsusc.2007.09.101

Cited by 16 publications

(2 citation statements)

References 14 publications

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“…This can be due to the fact that at longer annealing time, atoms can move more and fill/ remove the defects of different types (i.e., voids, interstitials and other types), hence larger grains may form as mentioned in column 8 of Table 1. In addition, by formation of larger grains usually the valleys between the grains become wider and deeper (i.e., grooving effect [24,25]), hence surface roughness increases. Moreover, two different behaviors can be distinguished for the samples annealed in the air and those annealed with flow of oxygen.…”

Section: Crystallographic Structurementioning

confidence: 99%

A comparative investigation on growth, nanostructure and electrical properties of copper oxide thin films as a function of annealing conditions

2014

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This paper is an attempt to compare the influence of various annealing conditions on growth, nanostructure, surface morphology and electrical properties of copper oxide thin films. Cu thin films of 85 nm thickness were deposited on glass substrate by thermal evaporation method, and then post-annealed at different environments (air and oxygen flow), different temperatures (200-400°C) and different times (35 and 75 min). X-ray diffraction results showed (Cu 2 O) cuprite phase for all annealed samples at 200 and 250°C and (CuO) tenorite phase for all samples annealed under different conditions at 350 and 400°C. A complex phase of CuO and Cu 2 O was observed for all annealed samples at 300°C, with exception for the sample annealed with flow of oxygen for 75 min. The atomic force microscopy results showed that surface morphology of the samples was strongly affected by the changes of annealing conditions (i.e., time, temperature and environment). The size of the grains increased with annealing temperature and time, while the samples annealed with oxygen flow showed larger grains than those annealed in air. Two different behaviors with annealing temperature were distinguished for the surface roughness of the samples annealed in the air and those annealed with flow of oxygen. Resistivity and Hall effect of samples were measured by a four-point probe instrument and a Hall effect investigation system, respectively. The electrical analyses showed that the variations in annealing conditions had a remarkable effect on measured electrical parameters, namely films resistivity, carriers concentration and type, and Hall mobility.

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Section: Crystallographic Structurementioning

confidence: 99%

A comparative investigation on growth, nanostructure and electrical properties of copper oxide thin films as a function of annealing conditions

2014

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“…In the sol gel process, for synthe sis of inorganic part various organo metal precursors based on silicone, titanium, aluminium, and zirco nium have been widely used [1]. Titanium oxide is a functional ceramic material that has attracted much attention in the last a few decades due to its unique properties [2][3][4]. In most cases, the material is used in the form of thin films or coatings on various substrates to study anticorrosive and light conduction properties [5].…”

Section: Introductionmentioning

confidence: 99%

Anti-corrosion coatings on SS 304 by incorporation of Pr6O11–TiO2 in siloxane network

Jothi

Palanivelu

2015

Surf. Engin. Appl.Electrochem.

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This paper describes an attempt to develop anticorrosive siloxane coatings based on Pr 6 O 11 -TiO 2 composite films for SS 304 substrate by sol gel technique. We demonstrate for the use of praseodymium oxide doped Titanium oxide (Pr 6 O 11 -TiO 2 ) nanocomposites loaded in a hybrid sol gel layer, to effectively protect the underlying steel substrate from corrosion attack. The influence of Pr 6 O 11 -TiO 2 gives the surprising aspects based on active anti corrosion coatings. The silica sol was treated with Pr 6 O 11 -TiO 2 to achieve dif ferent level of add on i.e.) 0-1 wt % of nanocomposites. The influence of different weight percent of nano composites on silica matrix for anticorrosion performance was investigated by Electrochemical Impedance Spectroscopy (EIS). Pr 6 O 11 -TiO 2 nanocomposites loaded in a hybrid sol gel layer effectively protect the underlying substrate from corrosion attack. The results showed significant improvement in anticorrosion property for higher add ons up to the optimized percent of nanocomposites. Furthermore, Transmission Electron Microscopy (TEM) and Scanning Electron Microscope Microscopy (SEM) were used to charac terize the surface morphology of doped and undoped coatings. The studied showed a synergistic effect between Pr 6 O 11 -TiO 2 and siloxane matrix has leads to a self healing coatings.

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Corrosion inhibition of AISI 304- and AISI 316-type stainless steel coated with nickel oxide in H2SO4 as a function of annealing temperature

Savaloni

Kazemi

2021

Appl. Phys. A

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Influence of annealing temperature on the nanostructure and corrosivity of Ti/stainless steel substrates

Cited by 16 publications

References 14 publications

A comparative investigation on growth, nanostructure and electrical properties of copper oxide thin films as a function of annealing conditions

A comparative investigation on growth, nanostructure and electrical properties of copper oxide thin films as a function of annealing conditions

Anti-corrosion coatings on SS 304 by incorporation of Pr6O11–TiO2 in siloxane network

Corrosion inhibition of AISI 304- and AISI 316-type stainless steel coated with nickel oxide in H2SO4 as a function of annealing temperature

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