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Towards low-friction and wear-resistant plasma sintering dies via plasma surface co-alloying CM247 nickel alloy with V/Ag and N

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Academic year: 2019

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Figure

Figure 1. Surface morphology of samples treated at 450 ◦C for 25 hours in an atmosphere of 25% N2/75%H2: (a)plasma nitrided and, (b) active screen co-alloyed surface with N and V/Ag.
Figure 2. XRD charts for (a) untreated and (b) N/V/Ag co-alloyed surfaces.
Figure 4. CoF of different surfaces against an Al2O3 ball under a load of 2 N at room temperature.
Figure 6. CoF curves of co-alloyed surface at room temperature, 300 and 600 ◦C with untreated (300 ◦C) incomparison.

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