Comparative studies on the corrosion properties of a Fe–Mn–Al–Si steel and an interstitial-free steel

Kannan, M. Bobby; Raman, R.K. Singh; Khoddam, Shahin

doi:10.1016/j.corsci.2008.07.024

Cited by 70 publications

(43 citation statements)

References 16 publications

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“…The lowest values of the corrosion potential in the chloride solution are also reported for the other high-Mn alloys. 1 However, it should be noted that the values of the corrosion current density were much higher in the acidic solution ( Table 1). They are related to the stronger corrosion attack in this medium.…”

Section: Resultsmentioning

confidence: 95%

“…The highest values of the corrosion current density were registered in the acidic solution. Kannan et al 1 also reported that the 29Mn-3.1Al-1.4Si austenitic steel showed a lower corrosion resistance in an acidic medium than in a chloride solution. The solution-treated specimens showed a higher corrosion-current-density values (12.29 mA/cm 2 ) than the thermomechanically treated specimens (1.44 mA/cm 2 ).…”

Section: Resultsmentioning

confidence: 97%

“…It was found that additions of Al and Cr improve the corrosion resistance of high-Mn steels. [1][2][3] This is due to the passive-filmforming tendency of the steel surface. It is reported that a silicon addition to steel decreases its corrosion resistance.…”

Section: Introductionmentioning

confidence: 99%

“…4 The tendency to create a passive protective layer on the steel surface depends on the type of corrosive environment. Kannan et al 1 reported that 29Mn-3.1Al-1.4Si austenitic steel showed a lower corrosion resistance in an acidic solution than in a chloride solution.…”

Section: Introductionmentioning

confidence: 99%

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Effect of thermomechanical treatment on the corrosion behaviour of Si-and Al-containing high-Mn austenitic steel with Nb and Ti micro-additions

Grajcar¹,

Płachcińska²,

Topolska³

2015

Mater. Tehnol.

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The corrosion behavior of the 27Mn-4Si-2Al type austenitic steel micro-alloyed with Nb and Ti was evaluated in acidic 0.1 M H2SO4 and chloride 3.5 % NaCl environments using potentiodynamic polarization tests. The corrosion properties of solution-treated specimens were compared to thermomechanically processed specimens. In the acidic solution, the steel exhibited a lower corrosion resistance than in the chloride solution, independently of the heat treatment applied. SEM and light micrographs confirmed that the corrosion attack in the acidic solution was higher when compared to the chloride solution. The steel showed evidence of pitting and uniform corrosion in both the acidic and chloride solutions. The corrosion resistance of supersaturated specimens in both 0.1 M H2SO4 and 3.5 % NaCl media was lower when compared to the thermomechanically treated specimens. It was found that the corrosion behavior of the examined high-Mn steel depends on the passivation tendency of the alloying elements (Mn, Al) and the grain size. Keywords: high-Mn steel, austenitic steel, corrosion resistance, passivity, thermomechanical treatment, potentiodynamic polarization test Korozijsko vedenje avstenitnega jekla 27Mn-4Si-2Al, mikrolegiranega z Nb in Ti je bilo ocenjeno v kislem 0,1 M H2SO4 in v kloridnem okolju 3,5 % NaCl, s potenciodinami~nim polarizacijskim preizkusom. Korozijske lastnosti raztopno`arjenih vzorcev so bile primerjane s termomehansko izdelanimi vzorci. V kisli raztopini so bili vzorci manj korozijsko odporni kot v kloridni raztopini, neodvisno od uporabljene toplotne obdelave. SEM in svetlobni posnetki so potrdili, da je bil napad korozije v primerjavi s kloridno raztopino izrazitej{i v kisli raztopini. Na jeklu so bili dokazi za jami~asto in splo{no korozijo v obeh raztopinah, kisli in bazi~ni. Korozijska odpornost prenasi~enih vzorcev v 0,1 M H2SO4 in v 3,5 % NaCl je bila manj{a v primerjavi s termomehansko obdelanimi vzorci. Ugotovljeno je, da je korozijsko vedenje preiskovanega visokomanganskega jekla odvisno od nagnjenosti k pasivaciji legirnih elementov (Mn, Al) in od velikosti zrn.

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Section: Resultsmentioning

confidence: 95%

Section: Resultsmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of thermomechanical treatment on the corrosion behaviour of Si-and Al-containing high-Mn austenitic steel with Nb and Ti micro-additions

Grajcar¹,

Płachcińska²,

Topolska³

2015

Mater. Tehnol.

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“…Much less attention has been paid on their corrosion resistance (Ghayad et al, 2006;Grajcar et al, 2010aGrajcar et al, , 2010bHamada, 2007;Kannan et al, 2008;Mujica Roncery et al, 2010;Opiela et al, 2009). The research on Fe-C-Mn-Al alloys (Altstetter et al, 1986) for cryogenic applications that were supposed to substitute expensive Cr-Ni steels was carried out in the eighties of the last century.…”

Section: General and Pitting Corrosionmentioning

confidence: 99%

Corrosion resistance of high-Mn austenitic steels for the automotive industry

Grajcar¹

2012

Corrosion Resistance

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Corrosion behavior of twinning‐induced plasticity (TWIP) steel

Kannan

Raman

Khoddam

et al. 2011

Materials & Corrosion

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In this study, the corrosion behavior of twinning‐induced plasticity (TWIP) steel i.e. Fe‐Mn‐Al‐Si steel subjected to cold‐working (0, 20, and 35%), was examined in acidic (0.1 M H2SO4), alkaline (0.1 M NaOH) and chloride‐containing (3.5% NaCl) environments, using potentiodynamic polarization experiments. Interestingly, cold‐working did not show any significant change in the corrosion susceptibility of TWIP steel in all the three environments. However, TWIP steel showed the highest corrosion susceptibility in acidic environment and the lowest in alkaline environment. Scanning electron microscope analysis of the corroded TWIP steel samples revealed high‐localized attack in acidic environment and some pitting corrosion in chloride‐containing solution.

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Comparative studies on the corrosion properties of a Fe–Mn–Al–Si steel and an interstitial-free steel

Cited by 70 publications

References 16 publications

Effect of thermomechanical treatment on the corrosion behaviour of Si-and Al-containing high-Mn austenitic steel with Nb and Ti micro-additions

Effect of thermomechanical treatment on the corrosion behaviour of Si-and Al-containing high-Mn austenitic steel with Nb and Ti micro-additions

Corrosion resistance of high-Mn austenitic steels for the automotive industry

Corrosion behavior of twinning‐induced plasticity (TWIP) steel

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