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The cold cracking process in MAG welding, microstructure and mechanical properties of ultra-high strength steel Weldox 1300 were investigated. It has been shown that the microstructure of the Weldox 1300 steel is composed of tempered martensite and inside the lathes the minor precipitations mainly V(CN) and molybdenum carbide Mo2C were observed. A Tekken cold cracking test was used to assess the weldability of steel at two different net heat input and different preheating temperatures in the range of 20–200 °C. The experimental results showed that the heat input and preheating temperature decided of tendency to cold cracking and the optimal preheating temperature was 100 °C. Additionally the results revealed that the analytical formulas of calculating the preheating temperature are not useful for this kind of steel.
Czasopismo
Rocznik
Tom
Strony
417--424
Opis fizyczny
Bibliogr. 28 poz., rys., tab., wykr.
Twórcy
autor
- Institute of Welding, Testing of Materials Weldability and Welded Constructions Department, Błogosławionego Czesława Str. 16-18, Gliwice 44-100, Poland
autor
- Institute of Welding, Testing of Materials Weldability and Welded Constructions Department, Błogosławionego Czesława Str. 16-18, Gliwice 44-100, Poland
Bibliografia
- [1] K. Bolanowski, Dispersion strengthened low-alloy steel, Archives of Metallurgy and Materials 53 (2008) 113-116.
- [2] R. Datta, D. Mukerjee, S. Jha, K. Narasimhan, R. Veeraraghavan, Weldability characteristics of shielded metal arc welded high strength quenched and tempered plates, Journal of Materials Engineering and Performance 11 (2002) 5-10.
- [3] R. Willms, High strength steel for steel constructions, in: Nordic Steel Construction Conference, Malmo, Sweden, 2009.
- [4] A. Grajcar, R. Kuziak, W. Zalecki, Third generation of AHSS with increased fraction of retained austenite for the automotive industry, Archives of Civil and Mechanical Engineering 12 (2012) 334-341.
- [5] A. Grajcar, M. Opiela, G. Fojt-Dymara, The influence of hot- working conditions on a structure of high-manganese steel, Archives of Civil and Mechanical Engineering 9 (2009) 49-50.
- [6] M. Opiela, Hydrogen embrittlement of welded joints for the heat-treatable XABO 960 steel heavy plates, Journal of Achievements in Materials and Manufacturing Engineering 38 (2010) 41-48.
- [7] S. Li, E. Akiyama, K. Yuuji, K. Tsuzaki, N. Uno, B. Zhang, Hydrogen embrittlement property of a 1700 MPa class ultrahigh strength tempered martensitic steel, Science and Technology of Advanced Materials 11 (2010) 1-6.
- [8] RD. Stout, W.D. Doty, Weldability of Steels, Welding Research Council, New York, 1971.
- [9] R.W. Messier, Principles of Welding, John Wiley and Sons, New York, 1999.
- [10] P. Wongpanya, Th. Boellinghaus, G. Lothongkum, Heat treatment procedures for hydrogen assisted cold cracking avoidance in S1100 QL steel root welds, Welding in the World 52 (2008) 671-678.
- [11] W. Florian, Cold cracking in high strength steel weld metal: possibilities to calculate the necessary preheating temperature, Document of International Institute of Welding IIW doc. IX-2006-01.
- [12] B. Alexandrov, K. Theis, M. Streitenberger, H. Herold, I. Martinek, Cold cracking in weldments of steel S 690 QT, Welding in the World 49 (2005) 64-73.
- [13] H.J. Yi, Y.J. Lee, J.Y. Kim, S.S. Kang, Effect of microstructure and chemical composition on cold crack susceptibility of high strength weld metal, Journal of Mechanical Science and Technology 25 (2011) 2185-2190.
- [14] M. Lachowicz, W. Nosko, Welding of structural steel Weldox 700, Welding Technology Review (2010) 13-18.
- [15] EN ISO 16834 Welding consumables - Wire electrodes, wires, rods and deposits for gas-shielded arc welding of high strength steels - Classification.
- [16] EN ISO 17642-2:2005 Destructive tests on welds in metallic materials. Cold cracking tests for weldments. Arc welding processes. Part 2: Self-restraint tests.
- [17] V.M. Radhakrishnan, Welding Technology and Design, New Age International, New Delhi, 2005.
- [18] EN ISO 9015:2011 Destructive tests on welds in metallic materials - Hardness testing - Part 1: Hardness test on arc welded joints.
- [19] EN ISO 6507:2005 Metallic materials - Vickers hardness test - Part 1: Test method.
- [20] M.St. W^glowski, M. Zeman, A. Grocholewski, Effect of welding thermal cycles on microstructure and mechanical properties of simulated heat affected zone for a Weldox 1300 ultra-high strength alloy steel, Archives of Metallurgy (2013) (in press).
- [21] J. Mikula, Analytical Methods for Assessing the Weldability of Steel, Cracow University of Technology, Cracow, 2001 (Scientific Papers Mechanics No. 85).
- [22] PN-EN 1011-2:2004 Welding - Recommendations for welding of metallic materials - Part 2: Arc welding of ferritic steels.
- [23] ISO 3690:2012 Welding and allied processes. Determination of hydrogen content in ferritic steel arc weld metal.
- [24] N. Okuda, Y. Ogate, T. Aoki, A. Goto, T. Abe, Hydrogen induced cracking susceptibility in high strength weld metal, Welding Journal 66 (1987) 141s-146s.
- [25] N. Yurioka, Predictive methods for prevention and control of hydrogen assisted cold cracking, Document International Institute of Welding No IX-1938-1999.
- [26] P.H. Hart, Resistance to hydrogen cracking in steel welds metals, Welding Research Supplement 1 (1986) 14-22.
- [27] A.P. Chakravarti, S.R. Bala, Evaluation of weld metal cold cracking using G-BOP test, Welding Journal 68 (1989) ls-8s.
- [28] http://www-it.jwes.or.jp/weld_simulator/en/cal4.jsp
Typ dokumentu
Bibliografia
Identyfikator YADDA
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