Research Article

Aging Thermal Treatment in the Inconel 725 Brazed Incorporating Tungsten Nanoparticles

Figure 4

(a) Variation of the microhardness in the samples without and (b) with tungsten NPs as function of aging time at 750°C. (c) SEM micrograph of the precipitates obtained in the sample with W-NPs at 750°C for 14 h in MZ.