Summary of the elaboration of data from performed multi-layer deposition experiments
| Experimental setup | Generator | Fronius TPS 320i | |||
|---|---|---|---|---|---|
| Gas type | Ar 85%, CO2 15% | ||||
| Gas flow rate [l/min] | 15 | ||||
| Wire diameter (dw) [mm] | 1.2 | ||||
| Material | Carbon steel | ||||
| Means of measure | 3D scanner | ||||
| Cases reported in Figure 20 | a | b | c | d | |
| Deposition parameters | Multi-bead | – | – | – | – |
| Multi-layer | ✓ | ✓ | ✓ | ✓ | |
| Wire feed rate (WFR) [m/min] | 2 | 1.5 | 1.5 | 2 | |
| Travel speed (TS) [mm/s] | 5 | 4 | 5 | 5 | |
| WFR/TS | 6.7 | 6.3 | 5 | 6.7 | |
| Obtained bead sizes | Width (wav) [mm] | 5.40 | 4.35 | 3.57 | 4.68 |
| Height (hav) [mm] | 1.48 | 1.54 | 1.46 | 1.82 | |
| h/w | 0.27 | 0.35 | 0.41 | 0.39 | |
| Deposited area (Ad) [mm2] | 7.54 | 7.07 | 5.65 | 7.54 | |
| Measured area (Am) [mm2] | 7.49 | 6.34 | 5.02 | 8.20 | |
| Am – Ad [mm2] | −0.05 | −0.73 | −0.63 | 0.66 | |
| (Am – ad)/ad | −0.7% | −10.3% | −11.2% | 8.8% | |
| Parabola model | Ap [mm2] | 5.33 | 4.47 | 3.47 | 5.68 |
| ed | −29.3% | −36.8% | −38.6% | −24.7% | |
| em | −28.9% | −29.6% | −30.8% | −30.8% | |
| Cosine model | Ap [mm2] | 5.09 | 4.26 | 3.32 | 5.42 |
| ed | −32.5% | −39.7% | −41.3% | −28.1% | |
| em | −32.1% | −32.7% | −33.9% | −33.9% | |
| Ellipse model | Ap [mm2] | 6.27 | 5.26 | 4.09 | 6.69 |
| ed | −16.8% | −25.6% | −27.7% | −11.3% | |
| em | −16.2% | −17.1% | −18.5% | −18.5% | |
| Proposed Hermite model | Ah [mm2] | 7.49 | 6.34 | 5.02 | 8.2 |
| Contact angle θ1 [°] | 90 | 90 | 90 | 90 | |
| Contact angle θ2 [°] | 90 | 90 | 90 | 90 | |
| ed | −0.7% | −10.3% | −11.2% | 8.8% | |
| em | 0% | 0% | 0% | −0.1% | |
| Experimental setup | Generator | Fronius | |||
|---|---|---|---|---|---|
| Gas type | Ar 85%, CO2 15% | ||||
| Gas flow rate [l/min] | 15 | ||||
| Wire diameter (dw) [mm] | 1.2 | ||||
| Material | Carbon steel | ||||
| Means of measure | 3D scanner | ||||
| a | b | c | d | ||
| Multi-bead | – | – | – | – | |
| Multi-layer | ✓ | ✓ | ✓ | ✓ | |
| Wire feed rate ( | 2 | 1.5 | 1.5 | 2 | |
| Travel speed ( | 5 | 4 | 5 | 5 | |
| WFR/TS | 6.7 | 6.3 | 5 | 6.7 | |
| Width (wav) [mm] | 5.40 | 4.35 | 3.57 | 4.68 | |
| Height (hav) [mm] | 1.48 | 1.54 | 1.46 | 1.82 | |
| h/w | 0.27 | 0.35 | 0.41 | 0.39 | |
| Deposited area (Ad) [mm2] | 7.54 | 7.07 | 5.65 | 7.54 | |
| Measured area (Am) [mm2] | 7.49 | 6.34 | 5.02 | 8.20 | |
| Am – Ad [mm2] | −0.05 | −0.73 | −0.63 | 0.66 | |
| Ap [mm2] | 5.33 | 4.47 | 3.47 | 5.68 | |
| Ap [mm2] | 5.09 | 4.26 | 3.32 | 5.42 | |
| Ap [mm2] | 6.27 | 5.26 | 4.09 | 6.69 | |
| Ah [mm2] | 7.49 | 6.34 | 5.02 | 8.2 | |
| Contact angle θ1 [°] | 90 | 90 | 90 | 90 | |
| Contact angle θ2 [°] | 90 | 90 | 90 | 90 | |
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