M.C. Hardy
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View article: Effect of Alloying on the Microstructure, Phase Stability, Hardness, and Partitioning Behavior of a New Dual-Superlattice Nickel-Based Superalloy
Effect of Alloying on the Microstructure, Phase Stability, Hardness, and Partitioning Behavior of a New Dual-Superlattice Nickel-Based Superalloy Open
A novel γ – γ ′– γ ″ dual-superlattice superalloy, with promising mechanical properties up to elevated temperatures was recently reported by Mignanelli et al . (in: Proceedings of the 9th International Symposium on Superalloy 718 & Derivat…
View article: Influence of Ni:Co ratio and temperature on the lattice misfit of γ-γ' Ni-Co-Al-Ti-Cr alloys
Influence of Ni:Co ratio and temperature on the lattice misfit of γ-γ' Ni-Co-Al-Ti-Cr alloys Open
This study investigated the influence of a systematic variation in Ni:Co ratio on the lattice misfit of γ-γ' Ni-Co-5Al-5Ti-15Cr (at%) alloys over a broad temperature range. Seven model superalloys denoted by their nominal Co content, 0Co, …
View article: The Isothermal Oxidation of a New Polycrystalline Turbine Disk Ni-Based Superalloy at 800 °C and Its Modification with Pre-oxidation
The Isothermal Oxidation of a New Polycrystalline Turbine Disk Ni-Based Superalloy at 800 °C and Its Modification with Pre-oxidation Open
Ni-based superalloys with enhanced oxidation resistance at high temperatures are crucial for next-generation gas turbine engines. A new polycrystalline Ni-based superalloy (C19) that combines improved microstructural stability with environ…
View article: Approaches to fatigue lifing in a high strength polycrystalline nickel alloy
Approaches to fatigue lifing in a high strength polycrystalline nickel alloy Open
The development of high strength alloys with complex chemistries has led to modern nickel disc alloys being produced through a powder metallurgy process which often produces melt anomalies within the material microstructure. The current re…
View article: Research data supporting Comparison of Methods for Quantification of Topologically Close-Packed Phases in Ni-Based Superalloys
Research data supporting Comparison of Methods for Quantification of Topologically Close-Packed Phases in Ni-Based Superalloys Open
Raw data is provided from SEM, laboratory XRD and synchrotron XRD experiments. The results of a thermodynamic calculation used to obtain phase compositions is also included.
View article: On the effect of Ti on Oxidation Behaviour of a Polycrystalline Nickel-based Superalloy
On the effect of Ti on Oxidation Behaviour of a Polycrystalline Nickel-based Superalloy Open
Titanium is commonly added to nickel superalloys but has a well-documented detrimental effect on oxidation resistance. The present work constitutes the first atomistic-scale quantitative measurements of grain boundary and bulk compositions…
View article: On the Effect of Environmental Exposure on Dwell Fatigue Performance of a Fine-Grained Nickel-Based Superalloy
On the Effect of Environmental Exposure on Dwell Fatigue Performance of a Fine-Grained Nickel-Based Superalloy Open
The influence of sulfur contamination on the corrosion-fatigue behavior of a polycrystalline superalloy used in aero-engines is considered. Samples tested under a variety of environmental conditions (including exposures to air, SO x gas, a…
View article: The effect of phase chemistry on the extent of strengthening mechanisms in model Ni-Cr-Al-Ti-Mo based superalloys
The effect of phase chemistry on the extent of strengthening mechanisms in model Ni-Cr-Al-Ti-Mo based superalloys Open
The exceptional mechanical properties of polycrystalline nickel-based superalloys arise through various concurrent strengthening mechanisms. Whilst these mechanisms are generally understood, consensus has yet to be established on the preci…
View article: Research data supporting 'On the time-temperature-transformation behaviour of a new dual-superlattice nickel-base superalloy'
Research data supporting 'On the time-temperature-transformation behaviour of a new dual-superlattice nickel-base superalloy' Open
This dataset contains images of the alloy's microstructure acquired using scanning electron microscopy; X-ray diffraction data; differential scanning calorimetry data; and, hardness values.
View article: On the Time-Temperature-Transformation Behavior of a New Dual-Superlattice Nickel-Based Superalloy
On the Time-Temperature-Transformation Behavior of a New Dual-Superlattice Nickel-Based Superalloy Open
Recent research has identified compositions of nickel-based superalloys with microstructures containing appreciable and comparable volume fractions of γ ′ and γ ″ precipitates. In this work, an alloy capable of forming such a dual-superlat…
View article: Research data supporting Gamma Prime Precipitate Evolution During Aging of a Model Nickel Based Superalloy
Research data supporting Gamma Prime Precipitate Evolution During Aging of a Model Nickel Based Superalloy Open
Excel spreadsheets containing the particle size distributions (PSDs), compositions of each phase, lattice parameters and proximity histograms of composition across the precipitate - matrix interfaces.
View article: Research data for The Effect of Ni:Co Ratio on the Elemental Phase Partitioning in γ-γʹ Ni-Co-Al-Ti-Cr Alloys
Research data for The Effect of Ni:Co Ratio on the Elemental Phase Partitioning in γ-γʹ Ni-Co-Al-Ti-Cr Alloys Open
Research data used in the publication "The Effect of Ni:Co Ratio on the Elemental Phase Partitioning in γ-γʹ Ni-Co-Al-Ti-Cr Alloys" published in Acta Materialia