Research Article

[Retracted] Process Optimization of Spark Plasma Sintering Parameters for Tungsten Carbide/Silicon Nitride/AA2219 Composites by Taguchi Method

Figure 3

Impact of processing factors on the density and microhardness of AA2219-2%WC-2% silicon nitride: (a) temperature, (b) pressure, (c) dwell time, and (d) heating rate.
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