EBI FT-IR GC-MS Monte Carlo method Physics Research & information: general additive manufacturing aluminum 6082 anisotropy beam figure cathodoluminescent analysis color parameters copper technogenic material corn starch creep degree of removal dynamic positioning of an electron beam electron beam electron beam additive manufacturing electron beam recycling electron beam welding electron etching electron-beam lithography electron-beam welding electrons scattering gold larch sapwood light-emitting diodes mechanical properties melting