Fig. 1. Effects of sintering(reduction) temperature on the oxygen and carbon content of vacuum-sintered compacts.
Fig. 2. Effects of sintering(reduction) temperature on the oxygen and carbon content of sintered compacts in H2 gas.
Fig. 3. Effects of sintering temperature on the relative density of sintered compact(Ds) in H2 gas.
Fig. 4. Effects of sintering temperature, sintering time on the relative density of sintered compacts in H2 gas.
Fig. 5. Effects of sintering time on the oxygen and carbon content of sintered compacts in H2 gas. white marker: oxygen, black marker: carbon.
Fig. 6. Effects of sintering temperature, sintering time on the relative density of sintered compacts in Ar after H2 gas reduction.
Fig. 7. Effects of sintering temperature on oxygen and carbon content of sintered compacts in Ar after H2 gas reduction. white marker: oxygen, black marker: carbon.
Fig. 8. Typical microstructures of Fe+2%Ni(B Ltd) mixed compact hold at 1123K for 3.6ks in H2 gas and sintered at 1623K for 14.4ks in Ar gas.
Fig. 9. Typical microstructures of B Ltd Sintered Compacts controlled by furnace cooling and cooling rate. (a) Ar, Ts=1673K, ts=14.4ks ⇨ R.T, furnace cooling. (b) Ar, Ts=1673K, ts=14.4ks ⇨ Tc=1123K ⇨ R.T. Tc=1123K ⇨ R.T, cooling rate control(0.083Ks-1).
Table 1. Magnetic properties of B Ltd sintered compact according to cooling conditions
참고문헌
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