Search Results - "Hamilton, Reginald F"
-
1
Fabrication of NiTi through additive manufacturing: A review
Published in Progress in materials science (01-10-2016)“…Nickel-titanium (NiTi) is an attractive alloy due to its unique functional properties (i.e., shape memory effect and superelasticity behaviors), low stiffness,…”
Get full text
Journal Article -
2
Spatial characterization of the thermal-induced phase transformation throughout as-deposited additive manufactured NiTi bulk builds
Published in Scripta materialia (01-05-2015)“…Transformation temperatures in NiTi shape memory alloys fabricated by laser based directed energy deposition with substrate heating were measured via…”
Get full text
Journal Article -
3
Molecular tandem repeat strategy for elucidating mechanical properties of high-strength proteins
Published in Proceedings of the National Academy of Sciences - PNAS (07-06-2016)“…Many globular and structural proteins have repetitions in their sequences or structures. However, a clear relationship between these repeats and their…”
Get full text
Journal Article -
4
Multifunctional metallic nanocomposite for overcoming the strength–ductility trade-off
Published in Scientific reports (10-01-2024)“…The actualization of high strength and ductility in alloys, in addition to providing strong, formable materials, can lead to reduced weights in practical…”
Get full text
Journal Article -
5
Full field measurements of anisotropic stress intensity factor ranges in fatigue
Published in Engineering fracture mechanics (01-11-2012)“…► Mixed mode fatigue crack growth in single crystals was analyzed. ► An anisotropic algorithm to find effective stress intensity factors was written. ► The…”
Get full text
Journal Article -
6
Multi-scale shape memory effect recovery in NiTi alloys additive manufactured by selective laser melting and laser directed energy deposition
Published in Journal of materials processing technology (01-12-2017)“…NiTi shape memory alloys (SMAs) are fabricated using powder bed fusion via selective laser melting (SLM) and laser-based directed energy deposition (LDED)…”
Get full text
Journal Article -
7
Correlating microstructure and superelasticity of directed energy deposition additive manufactured Ni-rich NiTi alloys
Published in Journal of alloys and compounds (30-03-2018)“…Laser-based directed energy deposition (LDED) additive manufacturing of Ni-rich NiTi shape memory alloys was shown to produce inhomogeneous precipitate…”
Get full text
Journal Article -
8
Anisotropic microstructure and superelasticity of additive manufactured NiTi alloy bulk builds using laser directed energy deposition
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (30-09-2016)“…The microstructure and superelasticity in additive manufactured NiTi shape memory alloys (SMAs) were investigated. Using elementally blended Ni and Ti powder…”
Get full text
Journal Article -
9
Bioinspired stretchable molecular composites of 2D-layered materials and tandem repeat proteins
Published in Proceedings of the National Academy of Sciences - PNAS (02-08-2022)“…Protein based composites, such as nacre and bone, show astounding evolutionary capabilities, including tunable physical properties. Inspired by natural…”
Get full text
Journal Article -
10
Target shape optimization of functionally graded shape memory alloy compliant mechanisms
Published in Journal of intelligent material systems and structures (01-05-2019)“…This article focuses on the design optimization of shape memory alloy compliant mechanisms with functionally graded properties to achieve a user-defined target…”
Get full text
Journal Article -
11
Augmentation of low frequency damping via hydrogen-doping in a hybrid shape memory alloy composite
Published in Journal of intelligent material systems and structures (01-05-2022)“…Carbon fiber reinforced polymer (CFRP) composites hybridized with hydrogen-doped NiTi wires can be used to design structures requiring high stiffness and high…”
Get full text
Journal Article -
12
NiTi thin films prepared by biased target ion beam deposition co-sputtering from elemental Ni and Ti targets
Published in Thin solid films (03-11-2014)“…NiTi thin films are fabricated using biased target ion beam deposition technique. By design, the technique operates over a broad range of processing pressures;…”
Get full text
Journal Article -
13
Feasibility of self-pre-stressing concrete members using shape memory alloys
Published in Journal of intelligent material systems and structures (01-12-2015)“…Shape memory alloys are a class of smart materials that recover apparent plastic deformation (∼6%–8% strain) after heating, thus “remembering” the original…”
Get full text
Journal Article -
14
The Impact of Martensite Deformation on Shape Memory Effect Recovery Strain Evolution
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-08-2015)“…The one-way shape memory effect of polycrystalline NiTi is investigated after differential levels of martensite deformation. Martensite naturally forms an…”
Get full text
Journal Article -
15
Ni-Concentration Dependence of Directed Energy Deposited NiTi Alloy Microstructures
Published in Shape memory and superelasticity : advances in science and technology (15-06-2019)“…Localized re-melting and re-heating in regions between overlapping passes and layers drive localized microstructure development during laser-based additive…”
Get full text
Journal Article -
16
Elastic and Irreversible Energies of a Two-Stage Martensitic Transformation in NiTi Utilizing Calorimetric Measurements
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-06-2014)“…Elastic energy and irreversible energy are quantified based on calorimetric measurements. We analyze energetics for each stage of the stress-free, thermally…”
Get full text
Journal Article -
17
High resolution analysis of opening and sliding in fatigue crack growth
Published in International journal of fatigue (01-04-2012)“…► Digital image correlation (DIC) is used to measure fatigue crack growth (FCG). ► We perform FCG experiments on single- and poly-crystal stainless steel…”
Get full text
Journal Article -
18
Biased Target Ion Beam Deposition and Nanoskiving for Fabricating NiTi Alloy Nanowires
Published in Shape memory and superelasticity : advances in science and technology (01-12-2016)“…Nanoskiving is a novel nanofabrication technique to produce shape memory alloy nanowires. Our previous work was the first to successfully fabricate NiTi alloy…”
Get full text
Journal Article -
19
Foreword: Additive Manufacturing: Interrelationships of Fabrication, Constitutive Relationships Targeting Performance, and Feedback to Process Control
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-09-2015)“…Additive manufacturing (AM) offers distinct advantages over conventional manufacturing processes including the capability to both build and repair complex part…”
Get full text
Journal Article -
20