EFFECT OF SINTERING TEMPERATURE TO MICROSTRUCTURE IN METAL BINDER JETTING

Abstract

Metal Binder Jetting emerged and it has been developing an additive manufacturing method. Binder type, binder ratio, sintering process, and atmosphere couldn’t be transparently determined due to its development stage. In this study, effect of sintering temperature was investigated parts’ microstructure which manufactured by Binder Jetting Metal Additive Manufacturing. In manufacturing, SS316L metal powder used as a raw material, ultraviolet light cured and solid+fluid catalyzed cured resins used as binder. For solid+liquid catalyzed cured resin, furfuryl alcohol was selected as liquid binder, para toluene sulfonic acid was selected as solid catalyst. Isopropyl alcohol was used to dilute the ultraviolet light cured resin. The composition ratios and electron diffraction patterns of the samples were analyzed using optical and scanning electron microscopy.