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Indentation depth

Nanoscale Reciprocating Sliding Contacts of Textured Surfaces: Influence of Structure Parameters and Indentation Depth

Nanoscale Reciprocating Sliding Contacts of Textured Surfaces: Influence of Structure Parameters and Indentation Depth

... of indentation depth, texture shape, texture spacing, and tip radius on the average friction forces and the running‑in stages is ...lowest indentation depth can make all the four textured ...

14

High temperature indentation behavior of eutectic lead-free solder materials

High temperature indentation behavior of eutectic lead-free solder materials

... The Berkovich indenter, fixed on a pendulum, is aligned horizontally. A permanent magnet, placed at the upper end of the pendulum, generates a magnetic force and moves the pendulum tip to the left. Correspondingly, the ...

8

Effect of dynamic strain rate on micro-indentation properties of pure aluminum

Effect of dynamic strain rate on micro-indentation properties of pure aluminum

... the indentation simulation was modeled as an axisymmetric and elasto-plastic ...of indentation depth to contact area as the Berkovich ...axisymmetric indentation model comprises about 4-node ...

6

INDENTATION OF SANDWICHES USING A LAYERWISE MODEL WITH FIXED DEGREES OF FREEDOM.

INDENTATION OF SANDWICHES USING A LAYERWISE MODEL WITH FIXED DEGREES OF FREEDOM.

... The indentation depth and the contact area are computed assuming the distribution of the contact force to be Hertzian and the projectile as a rigid ...

22

Multiscale Simulation of Indentation, Retraction and Fracture Processes of Nanocontact

Multiscale Simulation of Indentation, Retraction and Fracture Processes of Nanocontact

... of indentation depth during the whole process of indentation and subsequent retraction is plotted in ...parts: indentation process (corre- spond to O–J stage of the load–depth curve in ...

9

Finite indentation of highly curved elastic shells

Finite indentation of highly curved elastic shells

... controlled. Indentation tests are another classical technique, in which a rigid indenter is pushed into the specimen to generate a force–displacement curve (as shown in figure ...large indentation, with the ...

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Mechanical Characterization of Metallic Materials by Instrumented Spherical Indentation Testing

Mechanical Characterization of Metallic Materials by Instrumented Spherical Indentation Testing

... materials indentation response and the constitutive behaviour, the present chapter 1 is aimed at describing the evolution of the plastic strain distribution during the indentation test in real ...the ...

202

The effect of indentation force and displacement on visual perception of compliance

The effect of indentation force and displacement on visual perception of compliance

... same depth and so participants were forced to change strategies for this ...in indentation depth with sample compliance. In the fixed depth task, however, participants were forced to focus on ...

7

Determination of Anodized Aluminum Material Characteristics by Means of Nano Indentation Measurements

Determination of Anodized Aluminum Material Characteristics by Means of Nano Indentation Measurements

... instrumented indentation and the Oliver & Pharr approximation method. All measurements were done on Agilent G200 Nanoindenter fitted with a diamond Berkovich type tip. Time dependent effects were investigated ...

13

Study of Dam Concrete Mechanical Properties Using Nano-indentation

Study of Dam Concrete Mechanical Properties Using Nano-indentation

... Sample preparation is the crucial step that should be done before conducting nanoindentation tests. Therefore, special attention was paid in preparation of the samples, particularly in polishing and preparation of the ...

75

Destabilisation and modification of Tollmien-Schlichting disturbances by a three-dimensional surface indentation

Destabilisation and modification of Tollmien-Schlichting disturbances by a three-dimensional surface indentation

... The indentation depth determines the upper interfaces of the 3-D separation bubbles and influences the distance of the inflection point from the ...surface indentation, in terms of depth and ...

30

Wear Resistance and Indentation Behavior of Equiatomic Superelastic TiNi and 60NiTi

Wear Resistance and Indentation Behavior of Equiatomic Superelastic TiNi and 60NiTi

... Furthermore, in addition to dent resistance, loading rate is also of significant importance to applications where denting is expected. Substantial amount of work has been done towards understanding the effect of strain ...

13

In Situ Raman Measurements of Silicate Glasses during Vickers Indentation

In Situ Raman Measurements of Silicate Glasses during Vickers Indentation

... Figure 1 shows a schematic illustration of a self-made indenter for Raman measurements. The self-made indenter was composed of a Vickers tip, the load cell, the piezo- actuator, and the XYZ-stage. The indenter tip was ...

5

Direct In Situ Observation of Deformation Modes in Wedge Indentation of Metals

Direct In Situ Observation of Deformation Modes in Wedge Indentation of Metals

... in indentation of ...to indentation of annealed oxygen-free high-conductivity (OFHC) copper by wedges of different apex angles (2¡ = 30°, 90° and ...the indentation is ...wedge indentation is ...

8

Review: Models of Instrumented Indentation Measurements of Elastic  Plastic Materials

Review: Models of Instrumented Indentation Measurements of Elastic Plastic Materials

... Loubet et al. [1] and Mencik and Swain [3] have also explored the relationship between Wp/ Wtot and hf/hm.. By assuming that the respective loading and unloading curves are given by Eqs. (8) and (17), a relationship ...

10

Assessment of Surface Caking of Powders Using the Ball Indentation Method

Assessment of Surface Caking of Powders Using the Ball Indentation Method

... to indentation using a glass spherical indenter with the diameter of ...ball indentation process, the applied load (F) and the displacement of the indenter were continuously recorded, and a typical ...

50

Modification of Conodont element micro-ornamentation by clay-mineral indentation.

Modification of Conodont element micro-ornamentation by clay-mineral indentation.

... The conodont elements of assemblage WE 1862 are flat- lying ramiform elements encased in a coarse clay (shale) matrix, against which the surfaces of the conodont elements a[r] ...

5

The influence of the indenter tip radius on indentation testing of brittle materials

The influence of the indenter tip radius on indentation testing of brittle materials

... in indentation tests on brittle materials, there are two key parameters to consider; the ®rst is the maximum tension in the surface, as this is the quantity which is responsible for starting and propelling surface ...

7

Structural Changes and Stability Switching by Indentation Simulation in Amorphous Metals

Structural Changes and Stability Switching by Indentation Simulation in Amorphous Metals

... the indentation force after the indentation ...the indentation simulation, where t = 300 ps, the Voronoi volumes of many atoms have changed signi fi cantly from their initial ...the ...

7

Effect of high strain rate on micro-indentation test in pure aluminum

Effect of high strain rate on micro-indentation test in pure aluminum

... of the indentation test was decreased when the aluminum purity was increased, as with the QS and the impact compression test results. During the loading process for 3N aluminum, the loads for the loading rates of ...

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