publication . Article . Other literature type . 2017

CO2 Laser Cutting of Hot Stamping Boron Steel Sheets

Russo Spena, Pasquale;
Open Access
  • Published: 27 Oct 2017 Journal: Metals, volume 7, page 456 (eissn: 2075-4701, Copyright policy)
  • Publisher: MDPI AG
Abstract
This study investigates the quality of CO2 laser cutting of hot stamping boron steel sheets that are employed in the fabrication of automotive body-in-white. For this purpose, experimental laser cutting tests were conducted on 1.2 mm sheets at varying levels of laser power, cutting speed, and oxygen pressure. The resulting quality of cut edges was evaluated in terms of perpendicularity tolerance, surface irregularity, kerf width, heat affected zone, and dross extension. Experimental tests were based on a L9(34) orthogonal array design, with the effects of the process parameters on the quality responses being determined by means of a statistical analysis of varia...
Subjects
free text keywords: cut quality, hot stamping boron steel, surface morphology, ANOVA, cutting parameters optimization, Mining engineering. Metallurgy, TN1-997, Metallurgy, Heat-affected zone, Mechanical engineering, Hot stamping, Fabrication, Laser power scaling, Mathematical model, Materials science, Orthogonal array, Dross, Laser cutting
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