Ru is crucial in improving creep properties Nickel-based single-crystal superalloys. The effect of content on the behavior nickel-based superalloy was studied. exhibits unprecedented mechanical properties, increasing life at 1120 °C but decreasing it 1180 °C. This due to competition stress concentration formed between topologically close-packed phases and cavity. They are both related dissociat...

The existence of adsorbed oxygen and oxides on the surface initial powders has serious effects microstructure mechanical properties powder metallurgy alloys. However, is inevitably oxidized immediately after preparation. In this work, oxidation characteristics for argon atomized a Ni-based superalloy containing Cr, Co, W, Mo, Nb, Ti Al exposure at ambient condition various time were investigate...

The most important microstructural processes involved in shock consolidation are identified and illustrated for a nickel-based superalloy and silicon carbide. Interparticle melting, vorticity, voids, and particle fracture are observed. Various energy dissipation processes are identified and analyzed: plastic deformation, interparticle friction, microkmetic energy, defect generation. An analytic...

This paper develops a robust CAD-based methodology for simulating 3D microstructures of polycrystalline metals using crystallographic input data on sections created by a focused ion beam (FIB)–scanning electron microscopy (SEM) system. The method is able to construct consistent polycrystalline microstructures with control on the resolution necessary for meaningful computational analysis in micr...