On the incorporation of length scales associated with pearlitic and bainitic microstructures into a visco-plastic self-consistent model D. Canadinc a,∗,1, H. Sehitoglu a,1, H.J. Maier b,2, P. Kurath a,1 a University of Illinois at Urbana-Champaign, Department of Mechanical Science and Engineering, 1206 W. Green Street, Urbana, IL 61801, United States b University of Paderborn, Lehrstuhl f. Werk...

Low-alloy 16 to 20MND5 steels are used for the production of nuclear reactor components. During manufacturing, austenitization is followed by a quench; different types microstructures formed during this step. Characterizing impact Mo and Mn cooling rate on these can help understand how mechanical properties will evolve tempering ageing. The molybdenum manganese, as well rate, were studied three...

This paper presents an experimental characterisation of fatigue at welded connections for the next-generation high-strength low-alloy offshore riser steel, X100Q. An instrumented girth weld is conducted with a parallel programme physical-thermal simulation (Gleeble) to develop heat affected zone (HAZ) test specimens. X100Q shown exhibit superior performance current state art X80. Significant di...

in this investigation, continuous cooling transformations and microstructures have been studied in detail in a low carbon ti-nb bearing microalloyed steel by means of dilatometry, metallography and hardness measurements. the results indicate that when the cooling rate is greater than 1˚c/s, the dilatation curve is associated with a major dilatation at relatively low transformation temperatures,...