(i) advanced materials need to be produced by energy- and cost-efficient processes to ensure the feasibility of industrial scalability,(ii) materials that are metastable or that decompose at low temperature are difficult to sinter with such processes and (iii) co-sintering of multimaterials is hindered by differences in thermal stability, the rate and the onset temperature of shrinkage, and the physical and/or chemical compatibilities between the components [7,8].