• Nenhum resultado encontrado

strain hardening

Strain Hardening of Carbon Steel During Wire Drawing

Strain Hardening of Carbon Steel During Wire Drawing

... The experimental tests carried out were focused on evaluating if the model adopted by Avitzur for the strain hardening effects is useful in the industrial practice of wire drawing. The experimental data ...

5

Pressure-sensitivity Effects on Toughness Measurements of Compact Tension Specimens for Strain-hardening Solids

Pressure-sensitivity Effects on Toughness Measurements of Compact Tension Specimens for Strain-hardening Solids

... materials, strain-hardening behavior of the material is incorporated in this ...linear hardening curve of the ...material strain hardening ...

6

Influence of Temperature on Mechanical Properties, Fracture Morphology and Strain Hardening Behavior of a 304 Stainless Steel

Influence of Temperature on Mechanical Properties, Fracture Morphology and Strain Hardening Behavior of a 304 Stainless Steel

... formation were found to occur after a certain critical stress level was reached, which is in accordance with ε martensite formation starting in stage 2. XRD data revealed traces of α’ martensite at 75 ºC and traces of ε ...

11

Stress analysis in strain hardening two-layer composite tubes subject to cyclic loading of internal pressure

Stress analysis in strain hardening two-layer composite tubes subject to cyclic loading of internal pressure

... Abstract: Cyclically loaded two-layer composite tubes in the elastic and elastic-plastic stress states are examined in this study. An analytical model based on Tresca’s yield criterion, its associated flow rule, and ...

12

Mat. Res.  vol.17 número1

Mat. Res. vol.17 número1

... load not bring suficient enough to deform the specimen, as its initial pack density was around 80 percent theoretical and initial incremental loads were in the step of 2 tons. The second stage is between 0.06 ...

7

Mat. Res.  vol.11 número1

Mat. Res. vol.11 número1

... that strain hardening can highly be imparted for the preform deformed under nil lubricating condition through continuous deformation up to its maximum densification ...in strain hardening. ...

6

Mat. Res.  vol.14 número4

Mat. Res. vol.14 número4

... in strain hardening exponent and after the effective closure of pores the strain hardening exponent ...highly strain hardened at this point, hence, to further close the remaining pores ...

7

Stress-Strain Relationship Characterization of Armoured Graded Aluminium and Steel Alloys Using a Digital Image Correlation Technique

Stress-Strain Relationship Characterization of Armoured Graded Aluminium and Steel Alloys Using a Digital Image Correlation Technique

... J-C strain hardening constitutive model and C-L failure criterion are displayed in Table 10, and the graphical representation is compared to the ...the strain hardening behaviour, it was ...

73

The effect of the austenite grain refinement on the tensile and impact properties of cast Hadfield steel

The effect of the austenite grain refinement on the tensile and impact properties of cast Hadfield steel

... in the yield strength of the cast Hadfield steel when the austenite grain size was reduced from 3000 µm to 600 µm, which is in good agreement with the experimental result (see Table 2). The Hall-Petch law, however, ...

8

Lat. Am. j. solids struct.  vol.12 número5

Lat. Am. j. solids struct. vol.12 número5

... negligible strain hardening, the majority of higher density cellular materials exhibit strain ...densification strain have been proposed based on homogeneous material properties (Tan et ...

20

Rev. Esc. Minas  vol.57 número4

Rev. Esc. Minas vol.57 número4

... that strain hardening, static and dynamic recrystallization can be present and form complex microstructures with ferrite and bainite mixed to the ...

9

Al Zr AlB ZrB

Al Zr AlB ZrB

... ambient and elevated temperature. Tensile results revealed that nanocomposites exhibited better mechanical properties than the unreinforced alloy at both ambient and elevated temperatures up to 300°C. Moreover, with ...

7

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... As a flow-softening phenomenon, DRX leads to a decrease in flow stress with increasing strain. It does not occur immediately after the critical stress has been attained. Beyond this critical point, the stress ...

6

Numerical and Experimental Analysis in the Manipulation of the Mechanical Properties for Enhancing the Mechanical Resistance of a Material

Numerical and Experimental Analysis in the Manipulation of the Mechanical Properties for Enhancing the Mechanical Resistance of a Material

... a strain hardening process or the induction of a residual stress by themselves can be ...the hardening process raise the yield tensile strength of the material, what it is important to determine is ...

17

Mat. Res.  vol.20 número4

Mat. Res. vol.20 número4

... factor afecting the strain hardening of stage III. Besides, twinning lamellas are providing additional barriers to the accumulation of dislocations which enhances the strength efects. So as decreasing ...

7

Matéria (Rio J.)  vol.15 número2

Matéria (Rio J.) vol.15 número2

... One of the important characteristics of austenitic steels is their high capacity for strain hardening, which enables them to achieve high values of tensile strength with large plastic deformations. The ...

8

Matéria (Rio J.)  vol.15 número2

Matéria (Rio J.) vol.15 número2

... of strain hardening cement composites using sisal, a natural fiber with an average tensile strength of 400 MPa and strain at failure of 3% as reinforcement in ...

7

Influence of temperature and time of austempering treatment on mechanical properties of SAE 9254 commercial steel art hfgabreu

Influence of temperature and time of austempering treatment on mechanical properties of SAE 9254 commercial steel art hfgabreu

... high strain harden- ing exponent for a small plastic deformation is characteristic to all dual-phase steel, according to the work of Krauss and Matlock [33, ...the strain hardening exponent for the ...

10

Metallurgical characterization and computational simulation of a screw spike aiming to improve its performance in railways

Metallurgical characterization and computational simulation of a screw spike aiming to improve its performance in railways

... Fig. 4 shows the strain hardening curve of the SAE1015 steel, used in the screw spike manufacturing. It can be seen that it is possible to increase the steel yield and tensile strengths by the cold ...

7

Mat. Res.  vol.16 número1

Mat. Res. vol.16 número1

... age hardening heat treatment operation there is formation of small and finely uniform dispersed precipitate of MgZn 2 in the aluminium matrix while coarse grains of MgZn 2 phase was formed in aluminium matrix as a ...

5

Show all 1522 documents...

temas relacionados