According to the Metal Powder Industries Federation (MPIF) Standard 35, sinter hardening is quench hardening during the cooling cycle of the sintering furnace. Accelerated cooling is applied to thepart to achieve a microstructure optimized for strength and improved tolerancing capabilities. While conventional sintering requires regulation of time, temperature and atmosphere within the sintering furnace, sinter hardening further requires careful regulation of the cooling curve to yield the desired physical and mechanical properties...
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