Mineral processing - An Overview

Mineral processing - An Overview

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In this article the authors report methods to layout controllable gradients in bulk metallic glasses, demonstrating further plasticity and suppression of shear localization.

ArticleOpen Access5 Jul 2022 Nature Communications The interplay concerning vapour, liquid, and reliable phases in laser powder bed fusion Complexities of laser-substance interactions pose a challenge to attenuate defects in additively produced metallic elements.

ArticleOpen Access17 Sep 2021 Nature Communications Attaining significant strength and ductility in ODS-W alloy by using oxide@W Main-shell nanopowder as precursor Aggregation and coarsening of the second-stage oxide particles at grain boundaries are a bottleneck for enhancing mechanical Homes of oxide-dispersion-strengthened (ODS) alloys.

Listed here, the impact of co-segregation of carbon and boron within the depletion of aluminum within a α − Fe grain boundary is demonstrated.

Here, the authors use rapid differential scanning calorimetry to classify metallic glasses into two types, just one with quenched-in nuclei and a single with out.

Below the authors reveal nanoscale patterning of a grain boundary by two alternating phases in Cu that show a congruent, diffusionless changeover between the two phases.

ArticleOpen Access28 Apr 2022 Mother nature Communications Manufacture-helpful nanostructured metals stabilized by dual-phase honeycomb shell Engineering purposes of nanostructured metals are minimal by their sophisticated manufacturing technological know-how and lousy microstructural balance.

Here, the authors exhibit that a fictive temperature controls an abrupt mechanical toughening transition in metallic Eyeglasses, and might describe the scatter in Beforehand noted fracture toughness details.

Listed here the authors exhibit which the Invar impact is not merely a macroscopic influence, but also has a clear atomistic equivalent in the click here normal length of Fe–Fe pair and higher-order atomic shells composed of numerous atom species.

ArticleOpen Access18 May possibly 2020 Character Communications Direct imaging with the disconnection climb mediated position defects absorption by a grain boundary Grain guest post boundaries can improve the radiation resistance of a cloth click here by annihilating position defects shaped underneath irradiation, nonetheless the guest post atomistic mechanism is still unclear.

Here, the authors use atomistic more info simulations to indicate that in its place NiCoCr reveals area chemical order, increasing the activation boundaries of dislocation actions to elevate mechanical energy.

ArticleOpen Access11 Apr 2018 Mother nature Communications Origin of huge plasticity and multiscale effects in iron-primarily based metallic glasses Iron-dependent bulk metallic Eyeglasses are remarkably plastic, though the origin of their plasticity remains difficult to isolate.

Migration of solidification grain boundaries and prediction Solidification grain boundary migration (SGBM) happens in metals and alloys manufactured by casting, welding, or 3D printing, and it has an effect on materials Attributes, but its mechanisms continue to be largely mysterious. Right here, the authors exhibit how SGBM could be predicted in many alloys beneath different ailments.

ArticleOpen Access28 Feb 2022 Character Communications Substantially Improved plasticity of bulk metallic Eyeglasses by densifying regional atomic packing Common wisdom to further improve ductility of bulk metallic glasses (BMGs) will be to introduce nearby free packing locations on the expenditure of power.