SEM microfractography of near-threshold fatigue crack propagation were carried out in thedual-phase steels of 3 martensite morphologies and 6 volume fractions o
Mechanical properties of steels ZG15CrMoV and 35 in the temperature range of 500to 1400℃ have been experimently researched by means of Gleeble-1500.The experi-
The solidification microstructure and phase composition of Ni-base superalloy FGH95 pow-der with different mesh size have been investigated.The structure transi