[PDF] Top 20 Effect Of Equal Channel Angular Pressing On Microstructure And Mechanical Properties On Non Dendritic LM25 Aluminium Alloy

... a non-dendritic and globular microstructure can be obtained through this cooling slope technique when it is heated at the range of semi- ...the microstructure on non-dendritic ... See full document

... with channel angle of 120°, it was observed that the grain size of α- Al particles were ...the microstructure of as- cast aluminium alloy and cooling slope casting aluminium ... See full document

... and mechanical properties of the samples Microstructure is one of the important analysis that can be prove the properties of the sample by observing their structural ... See full document

... the mechanical properties ...of microstructure on the cross section for routes i and ii, which is evidenced by the relatively small spread of ... See full document

... magnesium alloy was used as a material because of its high strength-to-weight ratio, and good formability ...AZ61 alloy has been used in many industrial applications as structural parts in aero-space, ... See full document

... same alloy pressed by ECAP in the as-quenched condition under the same processing ...the mechanical properties showed only a slight increase after the first pass while after the third pass the ... See full document

... The effect of ECAP passes and Micro hardness is shown in fig. The hardness of extruded compacts varied from 363(HV) to 446(HV) after ECAP up to 4 passes. Maximum Micro hardness can produced pass 3 & pass 4. The ... See full document

... processes Equal Channel Angular Pressing (ECAP) up to three passes in three different routes, ...having channel angles of 105 0 , 120 0 and 135 0 ...die channel angle, number of ... See full document

... with aluminium and the greater density of intermetallic compared with some ceramics, a problem that could be overcome by using nanoscale particles which would reduce the volume fraction without loss of ... See full document

... The effect of aging treatment on microstructure and mechanical properties of equal channel angular pressed Al-7075 alloy was ...Al-7075 alloy in the solid ... See full document

... of aluminium alloys processed by SPD, and by ECAP in ...of aluminium alloys is strongly related to the precipitates present in the ...the alloy solidification play a key role in the cor­ rosion ... See full document

... and non- equilibrium state, 2) generating long-range elastic stress fields, which can be responsible for an observed enhancement of tensile strength after 2 ... See full document

... Lower dislocation mobility in aluminum alloys results in less frequent dislocation jogging and less effective establishment of the cellular substructure than in pure aluminum. As a result, grains of a relatively big size ... See full document

... not equal through- out the plate ...the microstructure, even after eight passes of ECAP the microhardness was not at the same level throughout the billet [56] and for large imposed strain, the lower values ... See full document

... the pressing several times to achieve a large degree of strain and thereby, to refine the grain size to a submicrometer or even nanometer ...and mechanical properties are associated with the ... See full document

... available aluminium magnesium (Al 5083) alloy with equal channel angular extrusion process (ECAP) using route-Bc at room temperature and cryogenic ...material properties were ... See full document

... The result of EDS analysis confirmed the presence Fe and O which proves the transfer of Fe from the rotating disk to the pin as well as the formation of an oxide layer (a mechanical mixed layer). Fig. 3 also shows ... See full document

... ECA pressing hinders or slows down deformation induced precipitation, thus keeping as much alloying elements in solid solution as ...combined effect of releasing residual stresses, which increases the ... See full document

... ECA pressing hinders or slows down deformation induced precipitation, thus keeping as much alloying elements in solid solution as ...combined effect of releasing residual stresses, which increases the ... See full document

... performance properties of structural titanium alloys remains a topical ...of properties can be achieved in Ti alloys through a control of the processing history and ...and mechanical ... See full document