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Table 1 General material and process parameters, the material is 1.4301 steel

From: Simulation and multi-objective optimization to improve the final shape and process efficiency of a laser-based material accumulation process

Variable

Value

Units

Reynolds number

Re ≈ 0.39

[−]

Weber number

We ≈ 3.1210−6

[−]

Prandtl number

Pr ≈ 0.13

[−]

Stefan number

Ste ≈ 4.21

[−]

Absorptivity

\(\mathcal{A} = 0.38\)

[−]

Emissivity

\(\mathcal{E} = 0.70\)

[−]

Ambient Temperature

\(T_{a}=20\)

[C]

Melting Temperature

\(T_{m}=1400\)

[C]

Specific heat

\(c_{p,\{s,l\}}=\{500,830\}\)

\([Jkg^{-1}K^{-1}]\)

Heat conductivity

\(\kappa_{\{s,l\}}=\{15,35\}\)

\([Wm^{-1} K^{-1}]\)

Heat transfer coeff.

δ = 200

\([Wm^{-2}K^{-1}]\)