During briquetting of coal, conditions favourable to plastic flow may be developed by the non-uniform stress system. Photographs of particles of coal removed intact from both rock salt and coal briquettes show that plastic flow has occurred at moderate briquetting pressures.
No takes yet. Share an insight, caveat, or question.
Peter C. Newman (1955) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: