funded by National Basic Research Program of China(2010CB630800,2015CB921700);National Natural Science Foundation of China(51671112,51471096,51390471,11374174);National Key Research and Development Program(2016YFB0700402);National Key Scientific Instruments and Equipment Development Project(2013YQ120353);Tsinghua University(20141081200)
The microstructural evolutions of 5Mn steel during various heat treatments have been investiga- ted by in-situ transmission electron microscopy (TEM). The specimen of 5Mn steel was pre- pared using focused ion beam ...
Item Sponsored by National Key Research and Development Program of China(2016YFB0700402);National Basic Research Program of China(2010CB630800,2015CB921700);National Natural Science Foundation of China(51671112,51471096,51390471,11374174);Tsinghua University Initiative Scientific Research Program(20141081200,20131089311)
The dislocation pipe diffusion of Mn during annealing of 5Mn steel was experimentally investigated using transmission electron microscopy (TEM). Many dislocations existed inside the ferrite and terminated at the α/...
Item Sponsored by National Basic Research Program of China(2010CB630800,2015CB921700);National Natural Science Foundation of China(51471096,51001064);Specialized Research Fund for the Dectoral Program of Higher Education of China(20100002120047)
The cementite formation and coarsening behaviors of 0. 2 mass% C-5 mass% Mn steel during tempering at 500℃ were investigated by in-situ transmission electron microscope( TEM). In-situ TEM observation showed uniform...
Item Sponsored by National Basic Research Program of China(2010CB630800,2015CB921700);National Natural Science Foundation of China(51001064,51471096);Specialized Research Fund for the Doctoral Program of Higher Education of China(20100002120047);Tsinghua University Initiative Scientific Research Program(20141081200)
Mn distribution and austenite morphology at the early stage of intercritical annealing of 5Mn steel were investigated. It was experimentally demonstrated that a newly formed 20 nm-thick austenite was formed without th...