Düşük oranlarda bor içeren az karbonlu çeliklerin asidik ve tuzlu ortamlarda korozyon özelliklerinin incelenmesi
Yıl 2019,
, 39 - 45, 16.03.2019
Kubilay Karacif
,
Cemal Çarboğa
,
Duygu Candemir
Öz
Bu çalışmada çok
düşük oranlarda bor içeren az karbonlu çeliklerin asidik ve tuzlu ortamlardaki
korozyon davranışları incelenmiştir. Bor, çeliklerin özellikle mekanik
özelliklerini geliştirmek için kullanılan bir alaşım elementidir. Az karbonlu
çeliklerde düşük oranlardaki bor ilavesinin korozyon davranışına etkilerini
belirlemek için bor içermeyen ve 15 ppm, 20 ppm ve 100 ppm bor içeren SAE 1020
çelikleri kullanılmıştır. Korozyon testleri 0,1 M sülfürik asit (H2SO4)
çözeltisi ve 0,1 M sodyumklorür (NaCl) çözeltisinde yapılmıştır.
Potansiyodinamik yöntemin kullanıldığı elektrokimyasal korozyon testleri
sonucunda bu çeliklere alaşım elementi olarak bor ilavesi ile korozyon hızının bir
miktar arttığı, bu çeliklerin tuzlu ortamda asidik ortama göre daha iyi
korozyon dayanımı sergilediği belirlenmiştir.
Kaynakça
- [1] Lętkowska B., Dziurka R., Bala P., The analysis of phase transformation of undercooled austenite and selected mechanical properties of low-alloy steel with boron addition, Arc. Civ. Mech. Eng. 15, 308-316, 2015.
- [2] Galeano K. F. R., Baracaldo R. R., Rodriguez A. M., Marrero J. M. C., Florez J. J. O., Influence of boron content on the fracture toughness and fatigue crack propagation kinetics of bainitic steels, Theor. Appl. Fract. Mech. 86, 351-360, 2016.
- [3] Lu H., Li T., Cui J., Li Q., Li D. Y., Improvement in erosion-corrosion resistance of high-chromium cast irons by trace boron, Wear, 376-377, 578-586, 2017.
- [4] Peruzzo M., Beux T. D., Ordoñez M. F. C., Souza R. M., Farias M. C. M., High-temperature oxidation of sintered austenitic stainless steel containing boron or yttria, Corros. Sci. 129, 26-37, 2017.
- [5] Zhao Y., Huang X., Yu B., Chen L., Liu X., Influence of boron addition on microstructure and properties of a low-carbon cold rolled enamel steel, Procedia Eng. 207, 1833-1838, 2017.
- [6] Çarboğa C., Düşük karbonlu çeliklere bor ilavesinin mikroyapı ve mekanik özellikler üzerine etkisi, Doktora Tezi, Gazi Üniversitesi Fen Bilimleri Enstitüsü, 2010.
- [7] Upadhyay N., Pujar M. G., Sakthivel T., Mallika C., Laha K., Mudali U. K., Effect of addition of boron and nitrogen on the corrosion resistance of modified 9Cr-1Mo ferritic steel, Procedia Eng. 86, 606-614, 2014.
- [8] Pujar M. G., Das C. R., Thirunavukkarasu S., Mudali U. K., Bhaduri A., Brijitta J., Tata B. V. R., Effect of boron addition on pitting corrosion resistance of modified 9Cr–1Mo steel: Application of electrochemical noise, Mater. Chem. Phys. 130, 536– 547, 2011.
- [9] Ma S., Xing J., Fu H., Yi D., Zhi X., Li Y., Effects of boron concentration on the corrosion resistance of Fe–B alloys immersed in 460 °C molten zinc bath, Surf. Coat. Technol. 204, 2208-2214, 2010.
- [10] Samal P. K., Terrell F. B., Effect of addition of boron on corrosion resistance of stainless steel, PM Science/Technology Briefs, 3 (3), 18-22, 2010.
- [11] Menapace C., Molinari A., Kazior J., Pieczonka T., Surface self-densification in boron alloyed austenitic stainless steel and its effect on corrosion and impact resistance, Powder Metall., 50 (4), 326-335, 2007.
Investigation of corrosion properties of low carbon steels containing low boron in acidic and saltwater medium
Yıl 2019,
, 39 - 45, 16.03.2019
Kubilay Karacif
,
Cemal Çarboğa
,
Duygu Candemir
Öz
In this study, corrosion behavior of low carbon steels containing low
boron in acidic and saltwater medium was investigated. Boron is an alloying
element particularly used to improve the mechanical properties of steels. In
order to determine the effects of boron addition on corrosion behavior, boron
free, 15, 20 and 100 ppm boron containing SAE 1020 steels were examined.
Corrosion tests were performed in a solution of 0.1 M sulfuric acid solution (H2SO4)
and 0.1 M sodium chloride (NaCl) solution. Result of electrochemical corrosion
test by potentiodynamic method showed that the corrosion rate increased with
boron addition and these steels have better corrosion resistance in saltwater
medium than in acidic medium.
Kaynakça
- [1] Lętkowska B., Dziurka R., Bala P., The analysis of phase transformation of undercooled austenite and selected mechanical properties of low-alloy steel with boron addition, Arc. Civ. Mech. Eng. 15, 308-316, 2015.
- [2] Galeano K. F. R., Baracaldo R. R., Rodriguez A. M., Marrero J. M. C., Florez J. J. O., Influence of boron content on the fracture toughness and fatigue crack propagation kinetics of bainitic steels, Theor. Appl. Fract. Mech. 86, 351-360, 2016.
- [3] Lu H., Li T., Cui J., Li Q., Li D. Y., Improvement in erosion-corrosion resistance of high-chromium cast irons by trace boron, Wear, 376-377, 578-586, 2017.
- [4] Peruzzo M., Beux T. D., Ordoñez M. F. C., Souza R. M., Farias M. C. M., High-temperature oxidation of sintered austenitic stainless steel containing boron or yttria, Corros. Sci. 129, 26-37, 2017.
- [5] Zhao Y., Huang X., Yu B., Chen L., Liu X., Influence of boron addition on microstructure and properties of a low-carbon cold rolled enamel steel, Procedia Eng. 207, 1833-1838, 2017.
- [6] Çarboğa C., Düşük karbonlu çeliklere bor ilavesinin mikroyapı ve mekanik özellikler üzerine etkisi, Doktora Tezi, Gazi Üniversitesi Fen Bilimleri Enstitüsü, 2010.
- [7] Upadhyay N., Pujar M. G., Sakthivel T., Mallika C., Laha K., Mudali U. K., Effect of addition of boron and nitrogen on the corrosion resistance of modified 9Cr-1Mo ferritic steel, Procedia Eng. 86, 606-614, 2014.
- [8] Pujar M. G., Das C. R., Thirunavukkarasu S., Mudali U. K., Bhaduri A., Brijitta J., Tata B. V. R., Effect of boron addition on pitting corrosion resistance of modified 9Cr–1Mo steel: Application of electrochemical noise, Mater. Chem. Phys. 130, 536– 547, 2011.
- [9] Ma S., Xing J., Fu H., Yi D., Zhi X., Li Y., Effects of boron concentration on the corrosion resistance of Fe–B alloys immersed in 460 °C molten zinc bath, Surf. Coat. Technol. 204, 2208-2214, 2010.
- [10] Samal P. K., Terrell F. B., Effect of addition of boron on corrosion resistance of stainless steel, PM Science/Technology Briefs, 3 (3), 18-22, 2010.
- [11] Menapace C., Molinari A., Kazior J., Pieczonka T., Surface self-densification in boron alloyed austenitic stainless steel and its effect on corrosion and impact resistance, Powder Metall., 50 (4), 326-335, 2007.