444 citations · 691 across the 14 of their papers we have counts for
11 papers · 1 filter
Rolling contact fatigue deformation mechanisms of nickel-rich nickel-titanium-hafnium alloys
Sean H. Mills, Christopher Dellacorte, Ronald D. Noebe +2
The tribological performance and underlying deformation behavior of Ni55Ti45, Ni54Ti45Hf1 and Ni56Ti36Hf8 alloys were studied using rolling contact fatigue (RCF) testing and transm…
Heat treatment - microstructure - hardness relationships of new nickel-rich nickel-titanium-hafnium alloys developed for tribological applications
Sean H. Mills, Christopher Dellacorte, Ronald D. Noebe +3
The effects of various heat treatments on the microstructure and hardness of new Ni56Ti41Hf3 and Ni56Ti36Hf8 (atomic %) alloys were studied to evaluate the suitability of these mat…
Physics-informed machine learning for composition-process-property alloy design: shape memory alloy demonstration
Sen Liu, Branden B. Kappes, Behnam Amin-ahmadi +3
Machine learning (ML) is shown to predict new alloys and their performances in a high dimensional, multiple-target-property design space that considers chemistry, multi-step proces…
Fatigue-resistant high-performance elastocaloric materials via additive manufacturing
Huilong Hou, Emrah Simsek, Tao Ma +15
Elastocaloric cooling, which exploits the latent heat released and absorbed as stress-induced phase transformations are reversibly cycled in shape memory alloys, has recently emerg…
Origins of the transformability of Nickel-Titanium shape memory alloys
Xian Chen, Colin Ophus, Chengyu Song +7
The near equiatomic NiTi alloy is the most successful shape memory alloy by a large margin. It is widely and increasingly used in biomedical devices. Yet, despite having a repeatab…
Three-dimensional in situ characterization of phase transformation induced austenite grain refinement in nickel-titanium
Ashley N. Bucsek, Lee Casalena, Darren C. Pagan +4
Near-field and far-field high-energy diffraction microscopy and microcomputed tomography X-ray techniques were used to study a bulk single crystal nickel-titanium shape memory allo…
Ferroelastic twin reorientation mechanisms in shape memory alloys elucidated with 3D X-ray microscopy
Ashley N. Bucsek, Darren C. Pagan, L. Casalena +3
Three-dimensional (3D) X-ray diffraction methods were used to analyze the evolution of the load-induced rearrangements of monoclinic twin microstructures within bulk nickel-titaniu…
Interfacial Energy of Copper Clusters in Fe-Si-B-Nb-Cu alloys
Rajesh Jha, David R. Diercks, Nirupam Chakraborti +2
Using a combination of numerical simulations and atom-probe tomography experiments, we determine the interfacial energy of Cu nanocrystals precipitated within the amorphous matrix…
Combined Machine Learning and CALPHAD Approach for Discovering Processing-Structure Relationships in Soft Magnetic Alloys
Rajesh Jha, Nirupam Chakraborti, David Diercks +2
We aim to investigate relationships between select processing parameters or inputs (composition, temperature, annealing time) and two structural parameters, specifically, the mean…
Metastable Phase Diagram and Precipitation Kinetics of Magnetic Nanocrystals in FINEMET Alloys
Rajesh Jha, David R. Diercks, Aaron P. Stebner +1
Research over the years has shown that the formation of the FeSi phase in FINEMET (Fe-Si-Nb-B-Cu) alloys leads to superior soft magnetic properties. In this work, we use a CALP…
Influences of Granular Constraints and Surface Effects on the Heterogeneity of Elastic, Superelastic, and Plastic Responses of Polycrystalline Shape Memory Alloys
Harshad M. Paranjape, Partha P. Paul, Hemant Sharma +5
Deformation heterogeneities within microstructures of polycrystalline shape memory alloys (SMAs) during superelastic stressing are studied using both experiments and simulations. I…