However, liquid drying rate, which is currently poorly controlled during sintering, is expected to push the development of experimental setups with improved control and reproducibility. Taking inspiration from nature (bio-mineralisation, lithification, evaporites), future work should clearly suggest alternative approaches to enhance ULES densification by replacing the use of brutal forces (≈0.5 GPa), which are only applicable to small samples (≈10 mm diameter), with a more gentle approach possibly based on prolonged pressing times (from minutes to tens of hours) and more optimised chemical reactions during sintering.
However, liquid drying rate, which is currently poorly controlled during sintering, is expected to push the development of experimental setups with improved control and reproducibility. Taking inspiration from nature (bio-mineralisation, lithification, evaporites), future work should clearly suggest alternative approaches to enhance ULES densification by replacing the use of brutal forces (≈0.5 GPa), which are only applicable to small samples (≈10 mm diameter), with a more gentle approach possibly based on prolonged pressing times (from minutes to tens of hours) and more optimised chemical reactions during sintering.
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