A5047016339- Additive Manufacturing Materials and Processes
- Additive Manufacturing and 3D Printing Technologies
- High Entropy Alloys Studies
- Manufacturing Process and Optimization
- Welding Techniques and Residual Stresses
- Aluminum Alloy Microstructure Properties
- Nuclear Materials and Properties
- Advanced X-ray and CT Imaging
- Titanium Alloys Microstructure and Properties
- High Temperature Alloys and Creep
- Advanced materials and composites
- Powder Metallurgy Techniques and Materials
- Microstructure and mechanical properties
- Intermetallics and Advanced Alloy Properties
- Nuclear Physics and Applications
- Injection Molding Process and Properties
- Copper Interconnects and Reliability
- Advanced Materials Characterization Techniques
- Metallurgy and Material Forming
- Semiconductor materials and devices
- Metal and Thin Film Mechanics
- Adsorption, diffusion, and thermodynamic properties of materials
- Microstructure and Mechanical Properties of Steels
- Nuclear reactor physics and engineering
- Nuclear and radioactivity studies
Oak Ridge National Laboratory
2016-2025
University of Florida
2009-2024
Office of Scientific and Technical Information
2013-2024
National Technical Information Service
2013-2024
Government of the United States of America
2024
National Transportation Research Center
2014-2021
University of Tennessee at Knoxville
2014-2019
Physical Sciences (United States)
2017
Bellingham Technical College
2016
Texas A&M University
2014
Additive manufacturing (AM), widely known as 3D printing, is a method of that forms parts from powder, wire or sheets in process proceeds layer by layer. Many techniques (using many different names) have been developed to accomplish this via melting solid-state joining. In review, these for producing metal are explored, with focus on the science AM: processing defects, heat transfer, solidification, precipitation, mechanical properties and post-processing metallurgy. The various AM compared,...
Site specific control of the crystallographic orientation grains within metal components has been unachievable before advent metals additive manufacturing (AM) technologies. To demonstrate capability, growth highly misoriented micron scale outlining letters D, O and E, through thickness a 25·4 mm tall bulk block comprised primarily columnar [001] oriented made nickel base superalloy Inconel 718 was promoted. accomplish this, electron beam scan strategies were developed based on principles to...
Research on powder-based additive manufacturing of aluminium alloys is rapidly increasing, and recent breakthroughs in printing defect-free parts promise substantial movement beyond traditional Al–Si–Mg) systems. One potential technological advantage manufacturing, however, has received little attention: the design for use at T > ~200°C, or ~1/2 absolute melting temperature aluminium. Besides offering lightweighting improved energy efficiency through replacement ferrous, titanium,...
Abstract Additive manufacturing promises a major transformation of the production high economic value metallic materials, enabling innovative, geometrically complex designs with minimal material waste. The overarching challenge is to design alloys that are compatible unique additive processing conditions while maintaining properties sufficient for challenging environments encountered in energy, space, and nuclear applications. Here we describe class strength, defect-resistant 3D printable...
SUMMARY Quantitative serial sectioning analysis provides all of the geometric information that is available from ordinary stereological analysis. In addition, it circumvents weaknesses inherent in models are used to estimate distribution functions and topological properties. It further makes accessible some aspects microstructures not stereologically, even with model assumptions. At present state art requires a prodigious effort prepare analyse single sample specimen. However, current...
SUMMARY Procedures have been developed whereby the topological properties of single‐phase cell structures, and two‐phase may be estimated from a series closely spaced microsections. In both cases, analysis is straightforward but tedious. However, because abstract description basic skeleton or framework structure details shape size, their quantitative knowledge provides insights into microstructural behaviour that obtained in no other way. These combined factors make it likely application...
GaP films were grown on offcut Si(001) substrates using migration enhanced epitaxy nucleation followed by molecular beam epitaxy, with the intent of controlling and eliminating formation heterovalent (III-V/IV) nucleation-related defects—antiphase domains, stacking faults, microtwins. Analysis these via reflection high-energy electron diffraction, atomic force microscopy, both cross-sectional plan-view transmission microscopies indicate high-quality layers Si that portend a virtual substrate...