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[PDF] Top 20 A novel method for severe plastic deformation at high strain rate

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A novel method for severe plastic deformation at high strain rate

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 ...at high strain rates, although dynamic SPD is known to ... See full document

6

Nanocrystallization of Steels by Severe Plastic Deformation

Nanocrystallization of Steels by Severe Plastic Deformation

... nation from balls, vials and environmental gases occurs. The powder surface with higher impurity concentration becomes NS and interior of powder with lower impurity content remains as deformed cell structure and clear ... See full document

12

Metallurgical Alchemy by Ultra Severe Plastic Deformation via High Pressure Torsion Process

Metallurgical Alchemy by Ultra Severe Plastic Deformation via High Pressure Torsion Process

... Mechanical alloying usually results in the formation of UFG materials which have higher strength compared with the materials synthesized by melting methods. The application of HPT as a mechanical alloying route results ... See full document

9

Development of Metal Oxide High Pressure Phases for Photocatalytic Properties by Severe Plastic Deformation

Development of Metal Oxide High Pressure Phases for Photocatalytic Properties by Severe Plastic Deformation

... decompression. High- pressure torsion (HPT) method 16,17) is known as an effective method for stabilization of high-pressure phases under room ...technique, high pressure and ... See full document

6

Investigation of the Forming Force in Torsion Extrusion Process of Aluminum Alloy 1050

Investigation of the Forming Force in Torsion Extrusion Process of Aluminum Alloy 1050

... Severe plastic deformation (SPD) method is one of the newest approaches to producing ultrafine grained products in which large strains are applied to the material and cause a significant ... See full document

6

Severe Plastic Deformation of Amorphous Alloys

Severe Plastic Deformation of Amorphous Alloys

... unconstrained deformation modes. High-pressure torsion as a special severe plastic deformation method, which applies constraints on the material, can induce signi fi cant ... See full document

11

Dynamic Processes for Nanostructure Development in Cu after Severe Cryogenic Rolling Deformation

Dynamic Processes for Nanostructure Development in Cu after Severe Cryogenic Rolling Deformation

... upon severe plastic deformation has been systematically studied in commercial purity copper that was heavily cold rolled to large deformations at cryogenic ...extraordinarily high densities of ... See full document

9

The Development of Vacancies during Severe Plastic Deformation

The Development of Vacancies during Severe Plastic Deformation

... A high concentration of vacancies in the order of 10 ¹3 ­ 10 ¹4 ...of deformation-induced vacancies disappears by diffusion to sinks at grain ...increasing strain rate leading to a higher ... See full document

10

High Pressure Phase Transformations under Severe Plastic Deformation by Torsion in Rotational Anvils

High Pressure Phase Transformations under Severe Plastic Deformation by Torsion in Rotational Anvils

... of severe plastic deformation and high mean pressure during high-pressure torsion in rotational metallic, ceramic, or diamond anvils produces various important mechanochemical e ff ... See full document

8

Review: Modes and Processes of Severe Plastic Deformation

Review: Modes and Processes of Severe Plastic Deformation

... simplest method of metal forming, was first used for SPD processing by Imaev et al ...including high strength and hard to deform ones, and in wide ranges of temperature and strain ... See full document

61

The Contribution of Severe Plastic Deformation to Research on Superplasticity

The Contribution of Severe Plastic Deformation to Research on Superplasticity

... the strain rate sensitivity, m, which is defined as m ¼ ð@ ln · =@ ln _ ...tionally high under superplastic conditions: for example, a record elongation of 4850% was measured in a Pb­62% Sn eutectic ... See full document

8

An Overview on the Continuous Severe Plastic Deformation Methods

An Overview on the Continuous Severe Plastic Deformation Methods

... the plastic deformation is limited by yielding the ...applicable strain and a limited number of ...with high formability (such as carbon steel) has been performed in the SD ...the ... See full document

15

Multiscale Characterization of a Polycrystalline Aggregate Subjected to Severe Plastic Deformation with the Finite Element Method

Multiscale Characterization of a Polycrystalline Aggregate Subjected to Severe Plastic Deformation with the Finite Element Method

... accumulated plastic strain ξ represents the amount of the inelastic strain at the crystal ...cumulated plastic strain, which reached over 250% of the logarithmic ...the plastic ... See full document

7

Severe Plastic Deformation of Steel Induced by Ultrasonic Vibrations

Severe Plastic Deformation of Steel Induced by Ultrasonic Vibrations

... include severe plastic ...by severe plastic deformation, and discussed vari- ous methods of severe plastic deformation, structure characterization, properties as ... See full document

5

Rate Independent and Rate Dependent Structural Evolution during Severe Plastic Deformation

Rate Independent and Rate Dependent Structural Evolution during Severe Plastic Deformation

... Severe plastic deformation (SPD) is well known to allow the grain refinement of bulk ...a high fraction of high-angle ...necessary strain to reach the saturation are influenced by ... See full document

6

New geometry for TCP: severe plastic deformation of tubes

New geometry for TCP: severe plastic deformation of tubes

... decades, Severe Plastic Deformation (SPD) method has fascinated a remarkable attention due to its capabilities such as an impressive improvement of mechanical properties and an extensive grain ... See full document

15

Equal Channel Angular Pressing as a New Processing to Control the Microstructure and Texture of Metallic Sheets

Equal Channel Angular Pressing as a New Processing to Control the Microstructure and Texture of Metallic Sheets

... Texture before and after cold-rolling was shown by {100} pole-figures as shown in Figure 7. After cold-rolling, both processes showed typical cold-rolled textures with main α-fiber consisting of <100>//RD ... See full document

6

Phase Transformations Induced by Severe Plastic Deformation

Phase Transformations Induced by Severe Plastic Deformation

... Severe plastic deformation (SPD) can induce various phase ...certain strain, the dynamic equilibrium establishes between defects production by an external force and their relaxation ... See full document

11

Texture Evolution in Severe Plastic Deformation Processes

Texture Evolution in Severe Plastic Deformation Processes

... et al. reported the appearance of strong oblique cube component (001)©100ª and a weak (110)©001ª F component. In NiAl, YCu and TiAl intermetallics also, the oblique cube component formed in addition to weak shear texture ... See full document

15

Microstructural Evolution and Mechanical Properties of High Purity Aluminium Processed by Equal Channel Angular Pressing

Microstructural Evolution and Mechanical Properties of High Purity Aluminium Processed by Equal Channel Angular Pressing

... the high dislocation mobility arising from high stacking fault energy and very low level of impurities were responsible for the unusual tensile behaviour and the difficulty in reducing the grain size to the ... See full document

5

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