[PDF] Top 20 The Contribution of Severe Plastic Deformation to Research on Superplasticity
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The Contribution of Severe Plastic Deformation to Research on Superplasticity
... It is readily apparent from inspection of Figs. 9 and 10 that all datum points, for both the ECAP and HPT processing conditions, fall close to, or are in agreement with, the theoretical prediction for superplastic fl ow. ... See full document
8
Superplasticity of a fine-grained Mg–1.5 wt% Gd alloy after severe plastic deformation
... of plastic deformation per pass of SSE depends on the maximum distortion angle (α) in the middle of the channel and the level of applied ...this research to examine the superplasticity of ... See full document
10
Texture Evolution in Severe Plastic Deformation Processes
... Severe plastic deformation processes involve large grain rotations due to the action of di ff erent modes of plastic deformation and other microstructural changes which lead to ... See full document
15
Design Optimization of Angular Extrusion for Severe Plastic Deformation of Tubular Specimens
... to severe plastic ...the research were the channel angle (φ 2 ), the corner angles (Ѱ 1 , Ѱ 2 and Ѱ 3 ), the radius ratios (R) and the coefficient of friction (µ) as ... See full document
21
Review: Modes and Processes of Severe Plastic Deformation
... extensive research and development on ECAE was performed at the Institute of Technical Physics (FTI), Minsk, USSR from 1970 to ...following deformation processing, property improvement of the special ... See full document
61
Using Severe Plastic Deformation for the Processing of Advanced Engineering Materials
... super- plastic properties at elevated ...of superplasticity in materials processed by ECAP and it was demonstrated there are now examples of the occurrence of high superplastic elongations in a very wide ... See full document
7
A novel method for severe plastic deformation at high strain rate
... large plastic strains without much change in sample dimensions, thus paving the way for extreme grain fragmentation without failure in ...new deformation mechanisms unavailable at slow strain rates ...of ... See full document
6
Dissolving Equilibrium Immiscible Elements via Severe Plastic Deformation
... characterization techniques)? What determines the observed phase selection (fcc versus bcc, and in competition with amorphization)? Why and how are Cu and Fe mixed during deformation? These issues have been ... See full document
6
Severe Plastic Deformation of Amorphous Alloys
... materials research due to their special mechanical properties, however, these materials exhibit brittleness in conventional unconstrained deformation ...special severe plastic ... See full document
11
Severe Plastic Deformation and Its Application on Processing Titanium: A Review
... Multi Axial Forging (MAF) is one of the most effective and easiest ways to have large strain on bulk materials [26- 28]. No specific devices are needed to apply MAF as shown in Fig. 4. The appropriate strain rate and ... See full document
6
Design Optimization of Angular Extrusion for Severe Plastic Deformation of Tubular Specimens
... extensive research has been carried out on solid materials, there is limited research on SPD processing of tubular materials known as Tubular Channel Angular Pressing ...this research, the effort is ... See full document
13
Radiation Tolerance of Ultrafine Grained Materials Fabricated by Severe Plastic Deformation
... A recent publication 63) reported on changes in the microstructure and mechanical properties of conventional and ECAP 321 steels irradiated in a research nuclear reactor at 350 and 430°C to doses of 12 and 15 dpa, ... See full document
9
Severe cryogenic plastic deformation of copper
... by severe plastic deformation at cryogenic ...the contribution of the mechanical twinning and grain subdivision was found to be not ... See full document
6
Mechanical Properties of Magnesium Alloy AZ31 after Severe Plastic Deformation
... tensile deformation of a ...rate deformation, ...strong deformation texture, ...tensile deformation. It is concluded that superplasticity of strain-induced fine-grained Mg alloy can be ... See full document
7
Molecular Dynamics Study on Amorphization of TiNi by Severe Plastic Deformation
... of severe plastic deformation processes by extrusion for a simple model of the TiNi system, we have observed that amorphous/ nanocrystalline phases are formed from a single B2 ...of ... See full document
5
Corrosion of Ultrafine Grained Materials by Severe Plastic Deformation, an Overview
... In addition to grain refinement, SPD processing modifies the microstructures in a complicated manner involving phase transformation, distribution of impurity and solute elements, segregation, the morphology of ... See full document
14
Thermomechanical Testing of GGG 40 Spheroidal Graphite Cast Iron Alloy
... different deformation temperatures within the austenite zone, which are 900˚C, 850˚C and 750˚C, as shown in Figure ...the deformation temperature of 900˚C with a heating rate of 37˚C/sec then soaked for 15 ... See full document
9
Effect of Severe Plastic Deformation on Structure and Properties of Al Sc Ta and Al Sc Ti Alloys
... The Structure of the Cast Alloys After SPD by Hydrostatic Extrusion and Equal-Channel Angular Hydroextrusion Alternating bands with different reflectivities were ob- served after SPD by metallographic studies using ... See full document
9
Severe Plastic Deformation of Semiconductor Materials Using High Pressure Torsion
... Figure 5 shows PL spectra of the samples after HPT processing for N = 20 and after annealing at 600°C for 2 hours.37 No appreciable peak appears for the HPT-processed sample, while a bro[r] ... See full document
9
Prediction of the nonlinear creep deformation of plastic products
... The everyday design practice for plastic c o m p o n e n ts r e lie s o n r e la tiv e ly s im p le b u t effective tools. Just a decade ago these tools would ty p ically in clu d e lin e a r e la stic fin ite -e ... See full document
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