… The importance of dislocation mecha… of substructures for room temperature and creep
service are examined. The need for modification of the Perch relationship between yield strength …

… specific strength and ductility, but there are some drawbacks such as low yield strength and
… -high yield strength (865 MPa), good ductility (41%). Submicron ferrite mainly affects high …

… the attempt to modify a dislocation substructure deliberately so as to … 'substructure-strengthening'.
The purpose of this work is to survey the effects of dislocation substructure on strength, …

… %, the increment of yield strength/tensile strength ratio increase was significantly … dislocation
substructure to yield strength obviously exceeded that of M/A constituents to tensile strength…

… We focus our attention here on the directional dependence of yield strength in high strength
… substructural evolution, notably cell size, dense dislocation walls (DDWs), dislocation tangle …

… tion process and that the further increases in yield strength must result from some other
aspects of the dislocation substructure. Inthis connection, it has been generally observed that the …

… yield strength when the grain size is changed, it has been proposed [S, 11] that yield strength
… is proposed which utilizes the stable “dislocation substructure” that evolves in the vicinity of …

… transient evolutions of dislocation substructures in prestrained steel sheets during subsequent
shear tests. These transitions occur at a macroscopical level and at a substructural one. …

… between the yield strength and the carbon concentration. The dislocation substructures, as
… cell-forming structure (dislocations cells, cell blocks and dense dislocation walls) to non-cell …

… characteristics of low yield strength, many researchers have … yield strength and tensile
strength above 1 GPa. An Fe–2C–30Mn–9.5Al steel also shows the yield strength, tensile strength…