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Layered manufacturing methods for fabricating ceramic components can involve selective deposition of binder using ink‐jet printing. Selection of a proper binder plays a critical role in fabricating parts with good surface finish, dimensional accuracy, and high resolution. Several polymeric solution‐phase binders were investigated in terms of their physical properties, printing performance, and binder‐powder bed interaction. It was observed that the molecular weight should be <15 000 for the binder to be penetrated into dense powder compacts. Binder infiltration kinetics and printed line width were also significantly influenced by powder‐bed characteristics, such as surface roughness and pore size, as well as the physical properties of the binder, such as viscosity and surface tension.
Moon et al. (Mon,) studied this question.