Corson L. Cramer
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View article: Rheology improvement for silicon nitride and resin slurries for vat photopolymerization printing and sintering
Rheology improvement for silicon nitride and resin slurries for vat photopolymerization printing and sintering Open
View article: Assessment of the grindability of robocast silicon carbide
Assessment of the grindability of robocast silicon carbide Open
View article: Resin chemistry and particle size influence on stereolithography with silcon carbide
Resin chemistry and particle size influence on stereolithography with silcon carbide Open
View article: Additive manufacturing process for producing aluminum-boron carbide metal matrix composites
Additive manufacturing process for producing aluminum-boron carbide metal matrix composites Open
A method for additive manufacturing of a composite object containing a bonded network of boron carbide particles and aluminum occupying spaces between boron carbide particles, the method comprising: (i) producing a porous preform construct…
View article: Rheology and dispersion of silicon nitride into resin for slurries for vat photopolymerization printing and sintering
Rheology and dispersion of silicon nitride into resin for slurries for vat photopolymerization printing and sintering Open
The development and rheology of resin-based slurries of silicon nitride for vat photopolymerization (VPP) using digital light processing (DLP) was investigated. A commercial resin, dispersants, and ceramic were used to make VPP slurry, and…
View article: Strength and thermal shock resistance of porous reaction-bonded silicon nitride by direct nitriding of binder jet additively manufactured silicon
Strength and thermal shock resistance of porous reaction-bonded silicon nitride by direct nitriding of binder jet additively manufactured silicon Open
The direct nitridation of binder jet additively manufactured silicon to produce porous silicon nitride was explored. The Taguchi Design of Experiments method was used to systematically study the effect of time, temperature, and nitrogen fl…
View article: Direct ink writing of aqueous-based Gadolinium (III) oxide slurries
Direct ink writing of aqueous-based Gadolinium (III) oxide slurries Open
View article: Siloxane-Modified Polycarbosilane Flexible Prepregs for Fabrication of Ceramic Matrix Composites via Compression Molding and PIP Densification
Siloxane-Modified Polycarbosilane Flexible Prepregs for Fabrication of Ceramic Matrix Composites via Compression Molding and PIP Densification Open
View article: Apparent fracture toughness estimation of additively manufactured alumina from as‐printed chevron‐notched test specimens
Apparent fracture toughness estimation of additively manufactured alumina from as‐printed chevron‐notched test specimens Open
Ceramic vat photopolymerization (VPP) is a digital light processing method used to make additively manufactured green ceramic components that are then sintered. Despite the ever‐advancing maturation of this method's green‐state process, so…
View article: Tuning crosslinking of hybrid preceramic polymers in vat photopolymerization toward controlled ceramic yields
Tuning crosslinking of hybrid preceramic polymers in vat photopolymerization toward controlled ceramic yields Open
View article: Material selection and manufacturing for high‐temperature heat exchangers: Review of state‐of‐the‐art development, opportunities, and challenges
Material selection and manufacturing for high‐temperature heat exchangers: Review of state‐of‐the‐art development, opportunities, and challenges Open
Many energy systems demand heat transfer at high temperatures to keep up with high demand for power, so high‐temperature material that can perform and last under these harsh conditions is needed for heat exchangers. The engineering require…
View article: Ability of x‐ray computed tomography to resolve critical flaw size in laser‐based, paste stereolithography ceramic printing of alumina
Ability of x‐ray computed tomography to resolve critical flaw size in laser‐based, paste stereolithography ceramic printing of alumina Open
Complex alumina parts were printed using vat photopolymerization (VPP), which is a stereolithography‐based additive manufacturing (AM) technique used to shape ceramic preforms, or green parts. The critical flaw size was determined using cl…
View article: Direct Ink Writing of Aqueous-Based Gadolinium (Iii) Oxide Slurries
Direct Ink Writing of Aqueous-Based Gadolinium (Iii) Oxide Slurries Open
View article: Tuning Crosslinking of Hybrid Preceramic Polymers in Vat Photopolymerization Toward Controlled Ceramic Yields
Tuning Crosslinking of Hybrid Preceramic Polymers in Vat Photopolymerization Toward Controlled Ceramic Yields Open
View article: Compliant heat exchangers, heat pipes and methods for making same
Compliant heat exchangers, heat pipes and methods for making same Open
A method for fabricating heat exchangers using additive manufacturing technologies. Additive manufacturing enables the manufacture of heat exchangers with complex geometries and/or with internal and external integral surface features. Addi…
View article: Large-scale continuous carbon/glass fiber additive-compression molded composites
Large-scale continuous carbon/glass fiber additive-compression molded composites Open
Additive Manufacturing (AM) or 3-D printing has advanced from small-scale desktop printers to large-scale printers. Most of the present large-scale printers utilize feedstock materials in the form of pellets to create composite structures.…
View article: Oxidation performance and limitations of additively manufactured SiC/Si─O─C composites at elevated temperatures
Oxidation performance and limitations of additively manufactured SiC/Si─O─C composites at elevated temperatures Open
SiC preforms were infiltrated with polycarbosiloxane preceramic polymer to create low‐cost SiC—Si x O y C z matrix composites for possible high temperature application. The effect of specimen annealing conditions on the steam and air oxida…
View article: Environmental stability of additively manufactured siliconized silicon carbide for applications in hybrid energy systems
Environmental stability of additively manufactured siliconized silicon carbide for applications in hybrid energy systems Open
A key consideration for the successful operation of hybrid energy systems will be the environmental stability of materials used for their construction, particularly when experiencing service environments containing water vapor at high temp…
View article: Hardness Measurements and Interface Behavior of SiC-B4C-Si Multiple Phase Particulate Composites Made with Melt Infiltration and Additive Manufacturing
Hardness Measurements and Interface Behavior of SiC-B4C-Si Multiple Phase Particulate Composites Made with Melt Infiltration and Additive Manufacturing Open
Reaction-bonded SiC-B4C-Si ceramic composites were binder jet 3D-printed and subsequently pressureless-melt-infiltrated with molten Si. The addition of B4C aided the Si infiltration to produce a highly dense composite. The microstructures …
View article: Indirect additive manufacturing process for producing SiC—B4C—Si composites
Indirect additive manufacturing process for producing SiC—B4C—Si composites Open
A method for indirect additive manufacturing of an object constructed of boron carbide, silicon carbide, and free silicon, comprising: (i) producing a porous preform constructed of boron carbide and silicon carbide by an indirect ceramic a…
View article: Apparatus and method for three-dimensional metal printing
Apparatus and method for three-dimensional metal printing Open
An apparatus and device for building an article by additive manufacturing or 3-D printing. The method includes feeding a supply of particulate slurry to and through a nozzle, such as including an integrated pump, to form a plurality of bea…
View article: Additive Manufacturing of C/C-SiC Ceramic Matrix Composites by Automated Fiber Placement of Continuous Fiber Tow in Polymer with Pyrolysis and Reactive Silicon Melt Infiltration
Additive Manufacturing of C/C-SiC Ceramic Matrix Composites by Automated Fiber Placement of Continuous Fiber Tow in Polymer with Pyrolysis and Reactive Silicon Melt Infiltration Open
An additive manufacturing process for fabricating ceramic matrix composites has been developed based on the C/C-SiC system. Automated fiber placement of the continuous carbon fibers in a polyether ether ketone matrix was performed to conso…
View article: Effect of W and C addition on the microstructure and phase composition of W–ZrC composites prepared by using Zr2Cu alloy and variant reactant compositions
Effect of W and C addition on the microstructure and phase composition of W–ZrC composites prepared by using Zr2Cu alloy and variant reactant compositions Open
View article: Additive manufacturing of ceramic materials for energy applications: Road map and opportunities
Additive manufacturing of ceramic materials for energy applications: Road map and opportunities Open
View article: Zirconium-diboride silicon-carbide composites: A review
Zirconium-diboride silicon-carbide composites: A review Open
View article: Review of additive manufacturing and densification techniques for the net- and near net-shaping of geometrically complex silicon nitride components
Review of additive manufacturing and densification techniques for the net- and near net-shaping of geometrically complex silicon nitride components Open
View article: Testing and Modeling of Functionally Graded Aluminum‐Doped Zinc Oxide Using Spark Plasma Sintering and Discrete Powder Layers of Varying Composition
Testing and Modeling of Functionally Graded Aluminum‐Doped Zinc Oxide Using Spark Plasma Sintering and Discrete Powder Layers of Varying Composition Open
Functionally graded material (FGM) ZnO is made via spark plasma sintering/field‐assisted sintering technique (SPS/FAST) by varying the Al dopant content along the z ‐axis or pressing direction. A wide range of Al content (0–5 wt%) is used …
View article: Processing and 3D printing of SiCN polymer‐derived ceramics
Processing and 3D printing of SiCN polymer‐derived ceramics Open
Preceramic polymer resins are attractive for the 3D printing of net‐shaped ceramic components. Recently various processes have been demonstrated for 3D printing of polymer‐derived ceramics (PDCs). Ultimately in these processes, the process…
View article: Accuracy of stereolithography printed alumina with digital light processing
Accuracy of stereolithography printed alumina with digital light processing Open
View article: Recent developments in filtration media and respirator technology in response to COVID-19
Recent developments in filtration media and respirator technology in response to COVID-19 Open