Browse > Article
http://dx.doi.org/10.5916/jkosme.2016.40.9.774

A study on the variation of physical properties of line heated classification DH32 thick plate steel  

Kim, Jeong-Tae (Department of Daewoo Shipbuilding & Marine Engineering Corporation Ltd.)
Chung, Han-Shik (Department of Energy and Mechanical Engineering, Institute of Marine Industry, Gyeongsang National University)
Jeong, Hyo-Min (Department of Energy and Mechanical Engineering, Institute of Marine Industry, Gyeongsang National University)
Lee, Kwang-Sung (Department of Energy and Mechanical Engineering, Gyeongsang National University)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.40, no.9, 2016 , pp. 774-779 More about this Journal
Abstract
This study was performed to study the possibility of TMCP's application for side shell plating curved structures through mechanical property testing to understand if the rules and regulations of DNV and the quality standard of IACS after line heating for TMCP steel and normalizing DH32 material steel could be satisfied. Experimental results showed that TMCP's strength was measured to YS = 385 MPa, 18% higher than the required 315 MPa and TS = 525 MPa, complying with the required range of between 440 and 570 MPa. The minus 20 degree impact test for the Charpy V-Notch complied with the required standard and in addition the hardness test satisfied the requirement of 'Hv10 = 130 ~ 320' by reaching an average of T : 216 and L : 275 respectively.
Keywords
Line heating; Classification; Tensile test; Impact test; Hardness test;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
1 J. K. Paik and D. H. Kim, "Transverseless AFRAMAX safety evaluation of the double hull tanker structural member," Journal of the society of naval architects of Korea, vol. 30, no. 2, pp. 31-43, 1993.
2 Y. S. Kim, J. C. Rho, Y. H. Kim, and M. S. Han, "A study on the fatigue fracture characteristics of TMCP high tensile strength steel welds," Journal of the Korean Society of Marine Engineering, vol. 12, no. 1, pp. 47-54, 1988.
3 T. G. Gwon, U. Y. Song, H. J. Jo, and M. J. Heo, "Study of HT50 TMCP steels on the hot formability," KWS 2007-Autumn Conference, pp. 6-7, 2007.
4 DNV-OS-B101, "Metallic Materials," Ch. 2, Sec. 1, pp. 23-28, 2012.
5 IACS REC-47, "Shipbuilding and Repair Quality Standard," Table 6.5, P. 13, 2013.
6 H. K. Kim, S. A. Cho, and H. K. Leem, "Nonlinear Structural Analysis of E/R Longitudinal Frame of Ice Class Vessel ," Special Issue of the Society of Naval Architects of Korea, pp. 40-45, 2006.
7 Y. S. Kim, D. K. Park, S. J. Kim, D. H. Lee, B. J. Kim, Y. C. Ha, J. K. Seo, and J. K. Paik, "Ultimate strength assessment of ship stiffened panel under arctic conditions," Journal of the Society of Naval Architects of Korea, vol. 51, no. 4, pp. 283-290, 2014.   DOI
8 Y. H. Choi, Y. W. Lee, and K. Choi, "Study on temperature distribution for various conditions of moving heating source during line heating, process," Journal of the Korean Society of Marine Engineering, vol. 34, no. 5, pp. 617-624, 2010.   DOI
9 D. H. Park, H. K. Jin, S. S. Park, and S. B. Shin, "A study on the prediction of the angular distortion in line heating with high frequency induction heating," Journal of Welding and Joining, vol. 33 no. 1, pp. 80-86, 2015.   DOI
10 C. D. Jang, D. E. Ko, B. I. Kim, and J. U. Park, "An experimental study of characteristics of plate deformation by heating process," Journal of the Society of Naval Architects of Korea, vol. 38, no. 2, pp. 62-70, 2001.
11 C. H. Lee, H. S. Shin, K. T. Park, and S. H. Yang, "Evaluation of the applicability of structural steels to cold regions by the charpy impact test," Journal of Korean Society of Steel Construction, vol. 23, no. 4, pp. 483-491, 2011.