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Plastic deformation

The microstructural record of porphyroclasts and matrix of serpentinite mylonites – from brittle and crystal-plastic deformation to dissolution-precipitation creep

The microstructural record of porphyroclasts and matrix of serpentinite mylonites – from brittle and crystal-plastic deformation to dissolution-precipitation creep

... crystal-plastic deformation of the orig- inal peridotites in the upper mantle at stresses of a few hundred ...serpentinized, deformation occurred mainly by ...

26

Severe Plastic Deformation and Additive Distribution in Mg-Fe to Improve Hydrogen Storage Properties

Severe Plastic Deformation and Additive Distribution in Mg-Fe to Improve Hydrogen Storage Properties

... Magnesium (Mg) is a light metal with relatively low cost. Its hydride (MgH 2 ) is interesting for the safe hydrogen storage in solid state and has a high gravimetric capacity of 7.6%. Practical application of Mg is still ...

10

Using Severe Plastic Deformation to Fabricate Strong Metal Matrix Composites

Using Severe Plastic Deformation to Fabricate Strong Metal Matrix Composites

... The processing of bulk metals through the application of severe plastic deformation leads to significant grain refinement and a consequent strengthening of the material. High-pressure torsion (HPT) ...

7

Mat. Res.  vol.19 número1

Mat. Res. vol.19 número1

... the plastic deformation is thought to take place in the shear bands during ...intense plastic deformation concentrates on the shear bands during the AR ...

8

Matéria (Rio J.)  vol.15 número2

Matéria (Rio J.) vol.15 número2

... severe plastic deformation application, through the imposture of an extremely high strain in a relatively low temperature, without any significant changes in the cross sectional dimensions of the specimen ...

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Effect of crack propagation on crack tip fields

Effect of crack propagation on crack tip fields

... tip plastic deformation, which becomes residual as the crack ...The plastic zone size measured perpendicularly to crack flank in the residual plastic wake is quantified and compared with ...

7

Mat. Res.  vol.5 número2

Mat. Res. vol.5 número2

... equivalent plastic deformation and f is the volume fraction of proes ...given plastic deforma- tion, compared to a non-damageable ...the plastic deformation, Joly 3 includes the ...

5

FRACTURE ENERGY OF SELECTED BRITTLE SILICATES

FRACTURE ENERGY OF SELECTED BRITTLE SILICATES

... , (5) where c is the speciic heat capacity of the powder and ΔT is the powder temperature change during crushing. The surface energy is given by the larger potential energy of atoms in the surface layer than in the ...

7

A constitutive model for polymers: Formulation and Integration algorithm

A constitutive model for polymers: Formulation and Integration algorithm

... macroscopic plastic deformation of metallic crystals is the result of microscopic sliding between blocks of crystals along certain crystallographic planes (for more details on the plastic ...

61

Mat. Res.  vol.3 número3

Mat. Res. vol.3 número3

... siderable plastic deformation and those which ...after plastic deformation not only as a result of work hardening but also because of martensitic transformation induced by plastic ...

2

Braz. J. Chem. Eng.  vol.27 número4

Braz. J. Chem. Eng. vol.27 número4

... to plastic deformation and the application of external force change the cohesion force to a plastic deformation between the agglomerates formed under these ...

8

J. Braz. Chem. Soc.  vol.25 número2

J. Braz. Chem. Soc. vol.25 número2

... The carbon steel samples used in this study were 160 mm × 15 mm × 1 mm. The chemical composition of the steel was (wt.%): 0.37% C, 0.16% Si, 0.32% Mn, 0.053% S, 0.026% P and Fe. The samples for the electrochemical tests ...

8

Slurry Erosion Behavior of Destabilized and Deep Cryogenically Treated Cr-Mn-Cu White Cast Irons

Slurry Erosion Behavior of Destabilized and Deep Cryogenically Treated Cr-Mn-Cu White Cast Irons

... increases. Plastic deformation of the metal surface during wear can also generate localized high energy sites more prone to corrosion than the unworn ...

10

In Situ Synchrotron Radiation Measurements During Axial Strain In Hydrogen Cathodically Charged Duplex Stainless Steel SAF 2205

In Situ Synchrotron Radiation Measurements During Axial Strain In Hydrogen Cathodically Charged Duplex Stainless Steel SAF 2205

... The hydrogen-charging increases mainly the diffusible hydrogen (low energy traps), inducing the deterioration in mechanical properties. This could be related to the hydrogen effects on strain hardening (dislocation ...

7

Microstructure Evolution and Properties of Friction Stir Welding Joint for 6082-T6 Aluminum Alloy

Microstructure Evolution and Properties of Friction Stir Welding Joint for 6082-T6 Aluminum Alloy

... The grain morphology on the advancing side of the nugget area, mainly consisting of equiaxed grains, was completely different from that on the retreating side and the distribution pattern of the “necklace” was not ...

10

Mat. Res.  vol.15 número5

Mat. Res. vol.15 número5

... and deformation is reached. Upon this stage, further plastic deformation does not introduce new lattice defects, in the form of vacancies and dislocations, but is transformed in heat, which promotes ...

4

Mat. Res.  vol.15 número5

Mat. Res. vol.15 número5

... deformation region around the indent after nanoindentation is shown in Figure 3c. Though numbers of shear bands can be found around the indents, they could not provide enough information on the effect of ...

5

Matéria (Rio J.)  vol.22 número1

Matéria (Rio J.) vol.22 número1

... the plastic deformation. This mechanism only allows low deformation levels and also limits the movement of the ...allowable plastic deformation (maximum hardness) and turns to expend ...

8

Lat. Am. j. solids struct.  vol.14 número11

Lat. Am. j. solids struct. vol.14 número11

... In the experiment, a large number of laminar flow ripples spread evenly on the surface of EFP, as displayed in Figure 2(s). When the surface of the soft-recovery EFP is electro-polished and exam- ined by SEM, a ...

18

Development of a Fully Coupled Approach for Evaluation of Wellbore Stability in Hydrocarbon Reservoirs

Development of a Fully Coupled Approach for Evaluation of Wellbore Stability in Hydrocarbon Reservoirs

... The technical literature shows several theoretic approaches to model the formation behavior with different degrees of coupling between rock deformation and fluid flow: from partially coupled to fully coupled ...

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