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Laser Hardening

Numerical Investigation by the Finite Difference Method of the Laser Hardening Process Applied to AISI 4340

Numerical Investigation by the Finite Difference Method of the Laser Hardening Process Applied to AISI 4340

... superficial hardening of AISI-4140, study based on the effect of inhomogeneous formation of austenite due to conditions of austenization and quenching locally different, and at a dila- tometry at high speeds of ...

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ANN Laser Hardening Quality Modeling Using Geometrical and Punctual Characterizing Approaches

ANN Laser Hardening Quality Modeling Using Geometrical and Punctual Characterizing Approaches

... Surface hardening with a laser beam is a selective and a clean hardening technique widely employed on low and medium carbon steel, as is the induction heating ...The laser hardening ...

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Thermal Analysis of Laser Hardening for Different Moving Patterns

Thermal Analysis of Laser Hardening for Different Moving Patterns

... For laser hardening with dithering or rotating beam, the cross feed changes from one point to another point longitudinally along the work surface (x-axis) and depends on the condition that the point is ...

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Effects of Laser Hardening Process Parameters on Case Depth of 4340 Steel Cylindrical Specimen—A Statistical Analysis

Effects of Laser Hardening Process Parameters on Case Depth of 4340 Steel Cylindrical Specimen—A Statistical Analysis

... the laser hardening process ...the hardening procedures before developing advanced strategies based on monitoring of the ...the laser technology, the material, the geometry and the process ...

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Experimental Study on Effect of Laser Hardening Parameters on Carbon Steel, Non-Malleable Cast iron and X20Cr13 Materials

Experimental Study on Effect of Laser Hardening Parameters on Carbon Steel, Non-Malleable Cast iron and X20Cr13 Materials

... Laser hardening is a surface heat treatment process used to enhance tribological and mechanical properties of metals which also leads to increase in service life of the ...component. Laser ...

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Study on laser hardening parameters of ASTM Grade 3 pure titanium on an angle of entry of hardened bead profile and power density

Study on laser hardening parameters of ASTM Grade 3 pure titanium on an angle of entry of hardened bead profile and power density

... formulation laser hardening process parameters on the performance of laser hardened bead geometry of laser transformation hardened commercially pure titanium ...

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Possibility of Increasing the Surface Contact Fatigue of the Gearing by Laser Hardening

Possibility of Increasing the Surface Contact Fatigue of the Gearing by Laser Hardening

... Available online: https://edupediapublications.org/journals/index.php/IJR/ P a g e | 894 load-bearing capacity or even result in complete failure of the components in contact with each other, make them functionless7,8. ...

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A Predictive Modeling Based on Regression and Artificial Neural Network Analysis of Laser Transformation Hardening for Cylindrical Steel Workpieces

A Predictive Modeling Based on Regression and Artificial Neural Network Analysis of Laser Transformation Hardening for Cylindrical Steel Workpieces

... surface hardening is a very promising hardening process for ferrous alloys where transformations occur during cooling after laser heating in the solid ...the laser hardening process, it ...

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Investigation of Temperature Distribution and Residual Deformation in the Hardening Process of Gear Honing Matrix with Laser Heating

Investigation of Temperature Distribution and Residual Deformation in the Hardening Process of Gear Honing Matrix with Laser Heating

... Laser hardening belongs to heat transfer and the absorbed laser energy on material surface can be converted into heat result in high temperature rising in localized zone which reaches the phase ...

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Laser field technology of hardening

Laser field technology of hardening

... materials laser processing are being actively introduced into ...hybrid laser technologies for material processing, in particular laser-field hardening of ...the laser interaction with ...

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A Sensitivity Study of 4340 Steel Hardness Profile Heat- Treated by Laser

A Sensitivity Study of 4340 Steel Hardness Profile Heat- Treated by Laser

... applications, laser hardening is a highly efficient process, because it is able to improve the hardness field, wear resistance, fatigue life and the surface tribology conditions of mechanical components, ...

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Microstructure and Properties of Selective Laser Melting Forming Precipitation Hardening Stainless Steel

Microstructure and Properties of Selective Laser Melting Forming Precipitation Hardening Stainless Steel

... the laser emits a laser beam, and the laser scanning process is completed by the angle change of the scanning ...fiber laser with a processing speed of 2-20cm3/h, a processing layer thickness ...

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Characterization of Material Parameters

Characterization of Material Parameters

... of hardening parameters for an elasto-plastic continuum model, taking into account the memory effect of plastic strain amplitude, in order to predict the hysteretic responses of 429EM ...kinematic hardening ...

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Numerical Simulation of Sheet Metal Forming Using Non-Associated Flow Rule and Mixed Isotropic-Nonlinear Kinematic Hardening Model

Numerical Simulation of Sheet Metal Forming Using Non-Associated Flow Rule and Mixed Isotropic-Nonlinear Kinematic Hardening Model

... In-plane cyclic tension-compression (T-C) tests were carried out to obtain the cyclic stress-strain behaviour of the different sheets (DP600 and AA6022-T43). In order to avoid the limitations of existing designs for ...

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Frictional Strain Hardening-softening in Experimental and Numerical Investigation of Arching Effect

Frictional Strain Hardening-softening in Experimental and Numerical Investigation of Arching Effect

... Modeling arching phenomenon in continuum mechanics and finding a soil model that can describe the behavior of the soil during arching especially in granular soils is the place of discussion. In spite of vast ...

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Polymer Quenching of 41Cr4 Steel for Better Hardness Quality

Polymer Quenching of 41Cr4 Steel for Better Hardness Quality

... For this test the polymer concentration percentage was bump up to 6% in water. For 10000 litre of water 600 litre of polymer quench ant was added. As mentioned in the results on table II the acquired hardness matches ...

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Ageing and strengthening of cold rolled Al Mg( Cu) Si Mn alloys:
experimental analysis and modelling

Ageing and strengthening of cold rolled Al Mg( Cu) Si Mn alloys: experimental analysis and modelling

... work hardening (or cold work), solid solution strengthening and precipitation ...age hardening whilst others ...of hardening elements through thermal ...

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Influence of Interfacial Reaction on Wear Resistance of Aluminum Alloy/SiC Composites Fabricated by Low Pressure Infiltration Process

Influence of Interfacial Reaction on Wear Resistance of Aluminum Alloy/SiC Composites Fabricated by Low Pressure Infiltration Process

... Hybrid-MMCs have been fabricated by a low pressure in fi ltration method, using aluminum alloy as matrix, SiC fi ber and SiC particle as reinforcements. In fl uences of orientation of fi bers, interfacial reaction and matrix ...

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Comparative Sliding Wear Studies Among Flame Hardening and Induction Hardening Processes on 316l Stainless Steel

Comparative Sliding Wear Studies Among Flame Hardening and Induction Hardening Processes on 316l Stainless Steel

... [5] Bartolomeu, F., Buciumeanu, M., Pinto, E., Alves, N., Carvalho, O., Silva, F. S., & Miranda, G. (2017). 316L stainless steel mechanical and tribological behavior− a comparison between selective laser ...

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Influence of the holding time of the deep cryogenic treatment on the strain hardening behavior of HY-TUF steel

Influence of the holding time of the deep cryogenic treatment on the strain hardening behavior of HY-TUF steel

... Figure 8 shows the true stress–true strain curves on a double natural logarithmic scale, which were plotted for CHT and DCT steels with different holding times. As observed in Fig. 8, variation of ln σ with ln ε for the ...

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