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Microstructure evolution during extrusion process

Computer Simulation Study on Microstructure Evolution of Super Alloy During Tube Extrusion Deformation

Computer Simulation Study on Microstructure Evolution of Super Alloy During Tube Extrusion Deformation

... the evolution law of the dynamic recrystallization of super alloy IN690 during tube extrusion forming process, a method of combining finite element software and organization evolution ...

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Evolution of Microstructure and Hardness in Pure Al by Twist Extrusion

Evolution of Microstructure and Hardness in Pure Al by Twist Extrusion

... a process of twist extrusion (TE). The microstructure evolution and the related change in microhardness are examined with respect to imposed ...

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Investigation of Ca in the Microstructural Evolution and Porosity Analysis of ZK60 Alloy in As-Cast and Extruded Conditions

Investigation of Ca in the Microstructural Evolution and Porosity Analysis of ZK60 Alloy in As-Cast and Extruded Conditions

... the microstructure and porosity content of ZK60 ...an extrusion ratio of ...Hot- extrusion was found to be powerful in breaking the eutectic network and changing the size and morphology of Ca-rich ...

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Change Channel Angular Extrusion of Magnesium Alloy AZ31

Change Channel Angular Extrusion of Magnesium Alloy AZ31

... angular extrusion technique to Mg alloy AZ31 and investigated in details the microstructure evolution and mechanical ...the microstructure evolution reveals that dynamic ...

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Microstructure and Mechanical Properties of Magnesium Alloy AZ31 Processed by Compound Channel Extrusion

Microstructure and Mechanical Properties of Magnesium Alloy AZ31 Processed by Compound Channel Extrusion

... channel extrusion technique to Mg alloy AZ31 and investigated in details the micro- structure evolution and mechanical ...fine microstructure and excellent mechanical properties using this new ...

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Microstructure Evolution in Pure Al Processed with Twist Extrusion

Microstructure Evolution in Pure Al Processed with Twist Extrusion

... whose cross section remains unchanged, while the billet is twisted with an angle about its longitudinal axis as illustrated in Fig. 1. The billet maintains its size and shape of the cross section after each TE pass. Thus ...

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Research Of Titanium Alloys Microstructure Evolution During Rolling In The Longitudinal Wedge Mill

Research Of Titanium Alloys Microstructure Evolution During Rolling In The Longitudinal Wedge Mill

... combined process of production of transitional workpieces, as broaching in the combined and flat dies, the round billet of the size Ø 80×200 mm was used; and in order to research rolling of the sheets of the size ...

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The Influence of Ultrasonic Stirring on the Solidification Microstructure and Mechanical Properties of A356 Alloy

The Influence of Ultrasonic Stirring on the Solidification Microstructure and Mechanical Properties of A356 Alloy

... ad microstructure evolution during the solidification of castings will be further validated and then applied to optimize future UST-experiments at the University of Alabama, Solidification ...

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Micro-extrusion process parameter modeling

Micro-extrusion process parameter modeling

... The first step was a screening experiment carried out to determine the factors that have a significant effect on the response variable. This was done in order to conserve resources and to weed out insignificant factors ...

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A Review of Modeling and Control for Aluminum Extrusion

A Review of Modeling and Control for Aluminum Extrusion

... change during the extrusion process can be accurately obtained through the FEM-based model, but requires a lot of calculation ...preset extrusion speed curve, to achieve approximate isothermal ...

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Evolution of microstructure during double-sided friction stir welding of microalloyed steel

Evolution of microstructure during double-sided friction stir welding of microalloyed steel

... representative of low heat input conditions, are given in Table II, where it is seen that there was a slight reduction in the rotation speed for the second side to prevent the tool overheating. This has manifested itself ...

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Microstructure Evolution of a Nickel Base Alloy Resistant to High Temperature during Aging

Microstructure Evolution of a Nickel Base Alloy Resistant to High Temperature during Aging

... the evolution of the hardness is somewhat different to that for the previous two temperatures of 1023 and 1073 ...the microstructure is the size of the secondary precipitates and ...

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Effect of extrusion treatment on the thermal stability and structure of corn starch with different emulsifiers

Effect of extrusion treatment on the thermal stability and structure of corn starch with different emulsifiers

... blended together. The corn starch and the emulsifier were mixed in a solid mixer (Prodima MJ50; Prode- ma Engineering AG, Bronschhofen, Switzerland) and then introduced into the extruder using a co-rotating twin screw ...

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Effect of Pressure Application by HIP on Microstructure Evolution during Diffusion Bonding

Effect of Pressure Application by HIP on Microstructure Evolution during Diffusion Bonding

... Figure 2 shows a plot of the variation of the average length of the columnar grain (a) and the aluminum diffusion distance (b) against the bonding time. The diffusion distance of aluminum is defined as the distance between ...

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Microstructure Evolution in Ferritic Stainless Steels during Large Strain Deformation

Microstructure Evolution in Ferritic Stainless Steels during Large Strain Deformation

... the evolution of highly elongated grains that aligned along the deformation ...ferritic microstructure look like typical cold- worked ones 15,17,20) and consist of cell blocks separated by strain-induced ...

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EFFECT OF WELDING ON MILD STEEL MATERIAL ON ITS MICROSTRUCTURE AND PROPERTIES

EFFECT OF WELDING ON MILD STEEL MATERIAL ON ITS MICROSTRUCTURE AND PROPERTIES

... joining process and welding one of ...welding process are available but all have their own advantage and ...the microstructure and properties due to the heat generated and the heat affected zone ...

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A process planning system for cold extrusion

A process planning system for cold extrusion

... The feature recognition deals with 2D based data pre-processing and data generation process using geometry recognition methodology based on product feature, billet feature and pocket feature as proposed by Kumar ...

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Effect of austempering time on the microstructure and carbon partitioning of ultrahigh strength steel 56NiCrMoV7

Effect of austempering time on the microstructure and carbon partitioning of ultrahigh strength steel 56NiCrMoV7

... bainitic microstructure with increasing austempering ...martensitic microstructure, comparable to the oil-quenched sample, as shown in Figure ...mixed microstructure of bainite and martensite where ...

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High-Resolution Metallography of a Coarse Microstructure: Graphite Formation in the Solid-State in Steel

High-Resolution Metallography of a Coarse Microstructure: Graphite Formation in the Solid-State in Steel

... Lattice information at the AlN/graphite interface and along the immediate growth direction of the graphite is also readily available as indicated by Fig. 16 for a ferrite/pearlite starting microstructure annealed ...

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Modelling microstructure evolution during equal channel angular pressing of magnesium alloys using cellular automata finite element method

Modelling microstructure evolution during equal channel angular pressing of magnesium alloys using cellular automata finite element method

... work, microstructure evolution during ECAP and its incremental variant is modelled using cellular automata finite element (CAFE) tech- ...structure evolution is described by transition func- ...

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