The effect of the degree of deformation by high-pressure torsion (using five and ten revolutions of anvils) on the structure of niobium and its thermal stability under annealing has been studied...
1 January 2006 in Physics of Metals and Metallography
Nanocrystalline niobium with a grain size of the order of magnitude of 100 nm has been produced by the method of severe plastic deformation (high-pressure torsion). The evolution of its structure at...
1 January 2011 in Materials Science and Engineering: A
The effect of the deformation temperature ensuring different mobility of dislocations on the change of stages of the structural state of single-crystal nickel has been studied. It has been shown that...
17 March 2012 in Physics of Metals and Metallography
The evolution of the Nb structure upon high-pressure torsion (HPT) in a Bridgeman chamber in liquid nitrogen and a subsequent annealing in the range from 100 to 600°C has been studied by the TEM...