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elastic strain

Approaching the ideal elastic strain limit in silicon nanowires

Approaching the ideal elastic strain limit in silicon nanowires

... “elastic strain engineering” applications (14), in which their functional properties (such as band gap, catalytic activity, and optoelectronic properties) can be significantly tuned by engineering the large ...

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Validity of crystal plasticity models near grain boundaries: a contribution of elastic strain measurements at the micron scale

Validity of crystal plasticity models near grain boundaries: a contribution of elastic strain measurements at the micron scale

... the elastic deformation tensor [25]. In this work, the full elastic strain tensor was recovered assuming a vanishing stress vector on the specimen surface, which is a sound approximation due to the ...

15

Validity of Crystal Plasticity Models Near Grain Boundaries: Contribution of Elastic Strain Measurements at Micron Scale

Validity of Crystal Plasticity Models Near Grain Boundaries: Contribution of Elastic Strain Measurements at Micron Scale

... quasistatic strain rate domain of the crystal plas- ticity ...total strain and elastic strain profiles were repro- duced rather accurately along the cross-section of the ...from elastic ...

10

Deep elastic strain engineering of bandgap through machine learning

Deep elastic strain engineering of bandgap through machine learning

... large elastic strains without inelastic ...deep elastic strain engineering of the band structure and device performance of electronic ...Deep elastic strain engineering explores full ...

7

Determining the Burgers vectors and elastic strain energies of interface dislocation arrays using anisotropic elasticity theory

Determining the Burgers vectors and elastic strain energies of interface dislocation arrays using anisotropic elasticity theory

... b MIT, Department of Materials Science and Engineering, Cambridge MA, 02139 Abstract A general dislocation-based formalism linking the Frank-Bilby equation and heterogeneous anisotropic elasticity theory under the ...

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Elastic-strain distribution in metallic film-polymer substrate composites

Elastic-strain distribution in metallic film-polymer substrate composites

... x-ray strain data are more scattered 共variance ⬃5⫻10 −4 兲 than gold ones 共variance ⬃8⫻10 −5 ...both strain evolutions for gold film and Kapton ® substrate can be measured accu- rately for small applied ...

4

Elastic-strain distribution in metallic film-polymer substrate composites

Elastic-strain distribution in metallic film-polymer substrate composites

... both strain evolutions for gold film and Kapton ® substrate can be measured accu- rately for small applied ...the strain in the two materials between the two ...x-ray elastic strain is ...

4

Full elastic strain tensor determination at the phase scale in a powder metallurgy nickel-based superalloy using X-ray Laue microdiffraction

Full elastic strain tensor determination at the phase scale in a powder metallurgy nickel-based superalloy using X-ray Laue microdiffraction

... full elastic strain tensor of the  and  0 phases in grains of a nickel-based superalloy with a coarse-grained ...no elastic strain occurs in the ...

13

Elastic-strain distribution in metallic film-polymer substrate composites

Elastic-strain distribution in metallic film-polymer substrate composites

... line nature, i.e., a mixture of crystalline and amorphous phases. Related peaks under synchrotron radiation 共E = 20 keV兲 are obtained at smaller 2 ␪ angles and stopped by the beamstop 共Fig. 1 兲. Figure 2 shows the x-ray ...

4

Combining Laue microdiffraction and digital image correlation for improved measurements of the elastic strain field with micrometer spatial resolution

Combining Laue microdiffraction and digital image correlation for improved measurements of the elastic strain field with micrometer spatial resolution

... With the microdiffraction setup available at beamline BM32 of the European synchrotron ESRF, the sample does not need to be rotated thanks to the use of a white beam, and thus the spatial resolution is only limited by ...

12

Combining Laue microdiffraction and digital image correlation for improved measurements of the elastic strain field with micrometer spatial resolution

Combining Laue microdiffraction and digital image correlation for improved measurements of the elastic strain field with micrometer spatial resolution

... When the cross section of the white X-ray beam is smaller than the grain size, a single Laue diffraction pattern is recorded on the 2-D detector. The elastic strain can then be deduced from the position of ...

12

The elastic strain ratio, the Lüders strain ratio and the evolution of r-value during tensile deformation

The elastic strain ratio, the Lüders strain ratio and the evolution of r-value during tensile deformation

... https://doi.org/10.1155/TSM.19.175 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at The elastic strain ratio, the Lüders strain ratio and the ...

15

Equations of pressuremeter curve with an elastic strain-softening plastic model

Equations of pressuremeter curve with an elastic strain-softening plastic model

... mentioned by (Carter & Yeung 1985), these figures prove the relative importance of the post-failure strain softening on the shape of the pressuremeter curve. It depends on the volumetric behaviour (Fig. 7), ...

7

On the influence of elastic strain on the accommodation of carbon atoms into substitutional sites in strained Si:C layers grown on Si substrates

On the influence of elastic strain on the accommodation of carbon atoms into substitutional sites in strained Si:C layers grown on Si substrates

... plane strain was deduced from the relative shift of the 共004兲 ...nm. Strain was determined by comparing the broadening and displacements of higher-order Laue zone 共HOLZ兲 lines with finite element modeling ...

5

Semiautomatic determination of orientations and elastic strain from Kossel microdiffraction

Semiautomatic determination of orientations and elastic strain from Kossel microdiffraction

... The (inverse) problem of orientation and strain determination form Kossel patterns is more involved. Numerous methods for solving these issues have been devised. (These older methods were reviewed by Gielen et al. ...

8

Delayed elastic strain criterion for first cracks in ice

Delayed elastic strain criterion for first cracks in ice

... with the first three cracks, as well as the Cracking activity in optically transparent calculated strain components, particularly S-2 ice samples (50 x 100 x 250 mm) was the va[r] ...

14

A discrete, geometrically exact method for simulating nonlinear, elastic or non-elastic beams

A discrete, geometrically exact method for simulating nonlinear, elastic or non-elastic beams

... inelastic strain contributions as internal variables. Starting from an elastic strain energy density and a dissipation potential ( Biot , 1954 ; Halphen and Nguyen , 1975 ), we formulate the ...

35

Asymptotically exact strain-gradient models for nonlinear slender elastic structures: a systematic derivation method

Asymptotically exact strain-gradient models for nonlinear slender elastic structures: a systematic derivation method

... the strain energy arising not only from the macroscopic elastic strain as in classical structural models, but also from the strain ...one-dimensional strain- gradient models for a ...

32

Continuously-Variable Series-Elastic Actuator

Continuously-Variable Series-Elastic Actuator

... an elastic element circumvents the inefficiencies associated with energy domain ...with elastic elements to store energy at a low electrical cost [Herr ...

7

Microstrain-level measurement of third-order elastic constants applying dynamic acousto-elastic testing

Microstrain-level measurement of third-order elastic constants applying dynamic acousto-elastic testing

... The third-order elastic constants TOECs evaluate the first-order deviation from linear elasticity of solid materials.1–3 The measurement of the TOECs is of interest for the validation of[r] ...

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