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Optimized Design Parameters for Welded TMCP Steels

机译：焊接TmCp钢的优化设计参数

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In this report, data on the static strength, toughness, and fatigue properties ofaccelerated cooled TMCP steels and their weldments have been compiled from various sources. Potential for advantageous application in ship structure design has been examined. Fabrication characteristics of the TMCP steels, mainly weldability and line heating, are also briefly reviewed. Tensile test data indicates that the yield to tensile ratio of the accelerated cooled TMCP steels tends to be slightly higher than steels produced by other steel making routes. Accelerated cooled TMCP steels possess excellent toughness and should easily meet toughness requirements to prevent brittle fracture in ships at a design temperature of 0c. In addition, TMCP steels have better weldability and HAZ toughness. As a result, accelerated cooled TMCP steels allow for more economic fabrication and greater weld joint integrity as they are more likely to have an economic edge for yield strengths up to 500 MPa and plate thickness up to 50 mm.

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