Yanqing Su

TL;DR: In this paper, the role of lattice distortion and chemical short-range order (CSRO) in the nucleation and evolution of dislocations and nanotwins with straining in single crystal and nanocrystalline CoCrNi, a medium entropy alloy, was investigated.

TL;DR: This work investigates the fluid dynamics that controls the transport of the MVP in crystal-rich and crystal-poor magmas, and shows how the interplay between capillary stresses and the viscosity contrast between the MVP and the host melt results in a counterintuitive dynamics, whereby the MVP tends to migrate efficiently incry-rich parts of a magma reservoir and accumulate in crystals-poor regions.

TL;DR: The observations of dislocation motion and atomistic calculations unveil the unexpected dominance of nonscrew character dislocations and numerous slip planes for dislocation glide, which lends credence to theories that explain the exceptional high temperature strength of similar alloys.

TL;DR: In this article, the local slip resistances (LSRs) in equal-molar MoNbTi multi-principal element alloy via molecular static simulations were calculated for dislocations of either screw or edge character gliding on four types of slip planes, {110, {112, {123, and {134}, in either forward or backward sense of the 111 slip direction.

TL;DR: In this paper, the generalized stacking fault energies (GSFEs) were calculated on four types of slip planes in two refractory multi-principal element alloys (MPEAs): MoNbTi and NbTiZr.