[PDF] Top 20 Microstructural and Mechanical Study of the Al 20Sn (mass%) Alloy Processed by Equal Channel Angular Pressing by Route C

... Analyzing the experimental results, it was found that there is an inflection point at 400 K (Figs. 7(b) and 7(c)). At this point the behavior of the samples subjected to the DMA tend to split, being the sample with ... See full document

... of Al based alloys due to the Hall­Petch mechanism (an increase of 40% on the ultimate tensile strength was obtained with a deformation © = ...this study, we will continue these results with a series of ... See full document

... the Al–4 mass%Cu–0.5 mass%Zr and AZ91 Mg- based alloys were estimated from the Al–Cu and Mg–Al binary phase diagrams (Alloy phase diagrams edited by ...pure Al and pure ... See full document

... an Al-20Sn (mass % ) alloy processed by Equal Channel Angular Pressing is ...the mechanical response of the deformed alloy have been ...that ... See full document

... past study by Abd El Aal & Sadawy (2015) to produce the ultra-fine grained (UFG) bulk pure aluminium it has be in increasing the number of passes by equal channel angular pressing ... See full document

... and mechanical properties of the AZ31 alloys have been investigated in the present ...ECAP processed to 2 passes at 553 K prior to subsequent pressing up to 6 passes at 523 K or 493 ... See full document

... this study, an Al-Mg-Si alloy was processed using via incremental equal channel angular pressing (I-ECAP) in order to obtain homogenous, ultrafine-grained plates ... See full document

... To effectively demonstrate the dependence of ductility improvement on the scheme of introducing bimodal structure into nanostructure materials, a three-step processing was adopted in hypo-eutectoid Cu–Al alloys to ... See full document

... aluminum alloy AA1070 was used in this workwith chemical composition of ...in equal channels in five passes in a two-part die of tool steel H13 with two identical perpendicular channels of 10 x 10 mm ... See full document

... die channel angle, number of passes, processing routes on microstructure and mechanical properties of AA 5083 ...to study the initial grain size, grain ...and mechanical properties were highly ... See full document

... My respected supervisor, Dr. Mohd Shukor Bin Salleh for the great mentoring that was given to me throughout the project. Besides that, I would like to express my gratitude to my beloved senior master student, Nurul Naili ... See full document

... magnesium alloy during incremental equal channel angular pressing ...were processed using different routes of I-ECAP at temperatures varying from 125 °C to 250 ... See full document

... recent study 8) This observation should help understand microstructural development with respect to the number of ECAP ...this study and ...was processed by ECAP for 8 ... See full document

... of equal friction in the channels, the PVZ is symmetrical about the ideal shear plane, but in general friction is higher in the outlet channel (especially at the bottom wall) leading to a larger spread of ... See full document

... Biodegradable implants have recently been increasing in popularity. Recent advances in polymer science have created implantable polymer devices which can degrade over time and release elements which the body can either ... See full document

... and mechanical properties inherent in various UFG materials but also a number of advantages over nanostructured materials manufactured by other methods through powder ...bonding, equal channel ... See full document

... To avoid a partial development of coarse recrystallized grains in the present aluminum alloy, some samples were continuously ECAPed up to ¾ = 12 without any interruption at 573 K [see Fig. 1(b)]. The typical ... See full document

... A typical TEM microstructure evolved at a strain of 8 is represented in Fig. 7. Here (sub)grains developed can be categorized to the following two types. One is the elongated (sub)grains with rather high angle ... See full document

... The microstructural evolutions of metals and alloys subjected to low and medium plastic deformation have been discussed severally [14] [15]. The outcome of their studies is a model describing severely the deformed ... See full document

... ultrahigh mechanical strength, as well as high electrical conductivity, of copper is to be improved further to achieve higher efficiency of these ...adding alloy elements such as beryllium, silver, ... See full document