PSI - Issue 37

Valérie Nsouami et al. / Procedia Structural Integrity 37 (2022) 576–581 Nsouami et al. 2021/ Structural Integrity Procedia 00 (2021) 000 – 000 Nsouami et al. 2021/ Structural Integrity Procedia 00 (2021) 000 – 000 Nsouami et al. 2021/ Structural Integrity Procedia 00 (2021) 000 – 000 Nsouami et al. 2021/ Structural Integrity Procedia 00 (2021) 000 – 000

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Fig. 2. Spatial representation of the beam. a) Beam cutting plane. b) Compression specimens. c) Bending specimens Fig. 2. Spatial representation of the beam. a) Beam cutting plane. b) Compression specimens. c) Bending specimens Fig. 2. Spatial representation of the beam. a) Beam cutting plane. b) Compression specimens. c) Bending specimens Fig. 2. Spatial representation of the beam. a) Beam cutting plane. b) Compression specimens. c) Bending specimens

2.2. Methods 2.2. Methods 2.2. Methods 2.2. Methods

2.2.1. Experimental Protocol The experimental device used for the three point bending tests is an ‘United’ hydraulic press testing system machine of the series N ° 0314523 (Figure 3). The maximum load capacity is 100 kN. The device is connected to a data acquisition system managed by the Datum 5.0 software. 2.2.1. Experimental Protocol The experimental device used for the three point bending tests is an ‘United’ hydraulic press testing system machine of the series N ° 0314523 (Figure 3). The maximum load capacity is 100 kN. The device is connected to a data acquisition system managed by the Datum 5.0 software. 2.2.1. Experimental Protocol The experimental device used for the three point bending tests is an ‘United’ hydraulic press testing system machine of the series N ° 0314523 (Figure 3). The maximum load capacity is 100 kN. The device is connected to a data acquisition system managed by the Datum 5.0 software. 2.2.1. Experimental Protocol The experimental device used for the three point bending tests is an ‘United’ hydraulic press testing system machine of the series N ° 0314523 (Figure 3). The maximum load capacity is 100 kN. The device is connected to a data acquisition system managed by the Datum 5.0 software.

Fig. 3. Experimental devices. a) Three-point bending test Fig. 3. Experimental devices. a) Three-point bending test Fig. 3. Experimental devices. a) Three-point bending test Fig. 3. Experimental devices. a) Three-point bending test

For the bending posted in Fig. 3, the determination of the elastic modulus (MOE) and of the failure stress (FS) introduced respectively by the Equation (1) and (2) in 3-point bending are done using the following equations (AFNOR, NF EN 408 2009) : For the bending posted in Fig. 3, the determination of the elastic modulus (MOE) and of the failure stress (FS) introduced respectively by the Equation (1) and (2) in 3-point bending are done using the following equations (AFNOR, NF EN 408 2009) : For the bending posted in Fig. 3, the determination of the elastic modulus (MOE) and of the failure stress (FS) introduced respectively by the Equation (1) and (2) in 3-point bending are done using the following equations (AFNOR, NF EN 408 2009) : For the bending posted in Fig. 3, the determination of the elastic modulus (MOE) and of the failure stress (FS) introduced respectively by the Equation (1) and (2) in 3-point bending are done using the following equations (AFNOR, NF EN 408 2009) : 3

) b h w  3 3 l F b h w  3 3 l F b h w  3 3 l F b h w  l F ) ) )

( ) 1 ( ) 1 ( ) 1 ( ) 1

MOE MOE MOE MOE

= = = =

( ( ( (

3            

4 4 4 4

Where ΔF is a load variation on the rectilinear part of the load deformation curve (N), Δw is the corresponding deformation increment (mm), l is the reference length (mm), b is the thickness and h is the height of the specimen (Fig. 3b). Where ΔF is a load variation on the rectilinear part of the load deformation curve (N), Δw is the corresponding deformation increment (mm), l is the reference length (mm), b is the thickness and h is the height of the specimen (Fig. 3b). Where ΔF is a load variation on the rectilinear part of the load deformation curve (N), Δw is the corresponding deformation increment (mm), l is the reference length (mm), b is the thickness and h is the height of the specimen (Fig. 3b). Where ΔF is a load variation on the rectilinear part of the load deformation curve (N), Δw is the corresponding deformation increment (mm), l is the reference length (mm), b is the thickness and h is the height of the specimen (Fig. 3b).