摘要:
The present invention provides high-throughput systems and methods for the fabrication and evaluation of electrode and electrolyte materials for solid oxide fuel cells. The present invention includes systems and methods for synthesizing and optimizing the performance of electrodes and electrode-electrolyte combinations and utilizes small-scale techniques to perform such optimization based on chemical composition and variable processing. Advantageously, rapid device performance systems and methods coupled with structural and surface systems and methods allow for an increased discovery rate of new materials for solid oxide fuel cells.
摘要:
A robotic pen includes a computer numerically controlled machine having a multiaxis stage for mounting a workpiece, and a cooperating elevator which translates relative thereto. A pen tip is rotatably mounted to the elevator. And, a dispenser is joined in flow communication with the pen tip for ejecting a stream of material atop the workpiece as the workpiece moves relative thereto for maintaining a substantially constant gap between said pen tip and the workpiece during relative movement therebetween.
摘要:
Multi-layer sensors are made using a direct write deposition technology. The sensors are formed on the surface of an object having a system characteristic to be monitored, such as temperature and strain. A first layer is deposited onto the substrate of the object to be monitored, a second layer is deposited onto the first layer, and a third layer is deposited onto the second layer. An optional protective layer may be deposited between the first layer and the substrate to prevent chemical interaction and lack of adhesion therebetween. A glazing or glassing layer may also be deposited to protect the thermistor from the operating environment to keep its electrical properties constant. These layers are sintered together, then electrical leads are attached to the sensor and to a monitoring controller. The monitoring controller may be hardwired to the sensor or remote therefrom.
摘要:
Multi-layer sensors are made using a direct write deposition technology. The sensors are formed on the surface of an object having a system characteristic to be monitored, such as temperature and strain. A first layer is deposited onto the substrate of the object to be monitored, a second layer is deposited onto the first layer, and a third layer is deposited onto the second layer. An optional protective layer may be deposited between the first layer and the substrate to prevent chemical interaction and lack of adhesion therebetween. A glazing or glassing layer may also be deposited to protect the thermistor from the operating environment to keep its electrical properties constant. These layers are sintered together, then electrical leads are attached to the sensor and to a monitoring controller. The monitoring controller may be hardwired to the sensor or remote therefrom.
摘要:
A system is provided for contaminant removal. The system includes an inlet for transmitting a contaminated solution and a reverse osmosis membrane having at least one flow modifier. The reverse osmosis membrane is configured to separate condensate and permeate from the contaminated solution. The system also includes a porous central tube for carrying the permeate and an outlet for the condensate. A method is also provided for removing contaminants from a solution.
摘要:
Multi-layer sensors are made using a direct write deposition technology. The sensors are formed on the surface of an object having a system characteristic to be monitored, such as temperature and strain. A first layer is deposited onto the substrate of the object to be monitored, a second layer is deposited onto the first layer, and a third layer is deposited onto the second layer. An optional protective layer may be deposited between the first layer and the substrate to prevent chemical interaction and lack of adhesion therebetween. A glazing or glassing layer may also be deposited to protect the thermistor from the operating environment to keep its electrical properties constant. These layers are sintered together, then electrical leads are attached to the sensor and to a monitoring controller. The monitoring controller may be hardwired to the sensor or remote therefrom.
摘要:
Methods for making a reinforced refractory crucible for melting titanium alloys including providing a form, applying a facecoat to the form, the facecoat having at least one facecoat layer, applying a backing about the facecoat, the backing having at least one backing layer, applying at least one reinforcing element to at least a portion of the facecoat layer, the backing layer, or a combination thereof where the reinforcing element includes at least one composition selected from ceramic compositions, metallic compositions, and combinations thereof.
摘要:
A slurry coating composition is described, which is very useful for enriching the surface region of a metal-based substrate with aluminum. The composition includes colloidal silica and particles of an aluminum-based powder, and is substantially free of hexavalent chromium. The slurry may include colloidal silica and an alloy of aluminum and silicon. Alternatively, the slurry includes colloidal silica, aluminum or aluminum-silicon, and an organic stabilizer such as glycerol. The slurry exhibits good thermal and chemical stability for extended periods of time, making it very useful for industrial applications. Related methods and articles are also described.
摘要:
Methods for making a reinforced refractory crucible for melting titanium alloys including providing a form, applying a facecoat to the form, the facecoat having at least one facecoat layer, applying a backing about the facecoat, the backing having at least one backing layer, applying at least one reinforcing element to at least a portion of the facecoat layer, the backing layer, or a combination thereof where the reinforcing element includes at least one composition selected from ceramic compositions, metallic compositions, and combinations thereof.
摘要:
A shell mold for casting molten material to form an article is described. The mold includes a shell for containing the molten material, formed from at least one of yttrium silicates, zirconium silicates, hafnium silicates, and rare earth silicates. The mold also includes a facecoat disposed on an inner surface of the shell that contacts the molten material. The facecoat can be made from the materials described above. A method of casting a niobium-silicide article is also described, using the shell mold described herein. A method of making the ceramic shell mold is described as well, along with a slurry composition used in the manufacture of the shell mold.