The interplay between vapour, liquid, and solid phases in laser powder bed fusion

HIGHLIGHTS

• who: I. Bitharas from the Institute Watt University have published the research work: The interplay between vapour, liquid, and solid phases in laser powder bed fusion, in the Journal: NATURE COMMUNICATIONS NATURE COMMUNICATIONS
• what: The authors show here that this energy density can be used as a meaningful thermodynamic metric for LPBF, allowing to estimate a threshold beyond which the vapour depression becomes unstable. For this study, line and spot welds were carried out in a static Ar atmosphere, using the schlieren system to ensure no fumes were present prior to each experiment. Although the . . .
  

   

  

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