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Coarsening patents

      

This page is updated frequently with new Coarsening-related patent applications.




 Method for enlarging the particle size of crystalline microparticles of active substance patent thumbnailMethod for enlarging the particle size of crystalline microparticles of active substance
A first suspension prepared from crystalline microparticles of active substance with a first d50 value of 0.5-5 μm, solvent and antisolvent for the active substance, wherein the solubility of the active substance in the solvent-antisolvent mixture of the first suspension is 0.001-0.5 wt. %, such that the average particle diameter (d50 value) at the end or the method is at least 0.03 μm larger than the starting d50 value.

 Solar cell with surface staged type antireflective layer patent thumbnailSolar cell with surface staged type antireflective layer
The present invention provides a solar cell with a surface staged type antireflective layer, comprising a photoelectric conversion layer having a first surface and a second surface opposite from each other and used for receiving incident photons in order to generate charged carriers; a staged type antireflective layer formed on the first surface; the staged type antireflective layer comprising a textured surface structure formed on the first surface via a coarsening method and a plurality of nanostructures formed to protrude from or indent into the textured surface structure; a front-side conductive layer disposed on top the staged type antireflective layer; and a back-side conductive layer disposed underneath the second surface; wherein the s staged type antireflective layer is used for allowing the solar cell to generate an antireflection effect subject to light in a full spectrum range; wherein the full spectrum range is between 300 nm to 1100 nm.. .
Kingwave Corporation


 Method of electroplating plastic substrate patent thumbnailMethod of electroplating plastic substrate
Provided is a method of electroplating a plastic substrate, wherein the treatment time of processes including coarsening, copper plating, nickel plating, etc. Is decreased, and a semi-gloss nickel plating process (a semi-gloss nickel plating layer) in a conventional electroplating process is obviated.

 Method for remanufacturing ultra-large copper nut patent thumbnailMethod for remanufacturing ultra-large copper nut
A method for remanufacturing an ultra-large copper nut includes steps of: step (1) coarsening treatment; step (2) purifying treatment; step (3) detecting a material of the ultra-large copper nut; step (4) sleeving a thermal insulation device; step (5) preheating the ultra-large copper nut; step (6) melting-deposition shaping; step (7) post-processing; and step (8) detecting. The method of the present invention simultaneously utilizes water, electricity, gas, fire and machine and performs melting-deposition on materials by simultaneously supplying water, electricity, gas, fire and machine according to the designed requirements.
Wuhan Kaiming High Tech Co., Ltd.


 Magnesium alloy with adjustable degradation rate patent thumbnailMagnesium alloy with adjustable degradation rate
An alloy and an implant having a three-dimensional structure based on such alloy. The alloy comprises a mgznca alloy containing nanosized precipitates being less noble than the mg matrix alloy and having a zn content ranging 0.1 wt.
Depuy Synthes Products, Inc.


 Manufacturing  nonplanar 3d antenna shaping patent thumbnailManufacturing nonplanar 3d antenna shaping
A manufacturing method of nonplanar 3d antenna shaping includes providing a nonplanar insulating substrate; performing coarsening and modification on the surface of the substrate, followed by rendering the substrate surface hydrophilic in a plasma process to form a modified substrate; performing copper electroless plating on the modified substrate to plate a copper layer on the substrate, so as to achieve a required thickness. The width of the metal wiring is efficiently reduced to microscale by 3d photolithography; therefore, the range of its low-frequency application is reduced to less than 2 ghz.
National Chung Shan Institute Of Science And Technology


 Manufacturing  antenna shaping patent thumbnailManufacturing antenna shaping
A manufacturing method of antenna shaping includes providing a nonplanar insulating substrate; coarsening and modifying a surface of the substrate and rendering the substrate surface hydrophilic by a plasma process to form a modified substrate; performing copper electroless plating on the modified substrate; electroplating a copper layer to attain a required thickness; defining antenna wiring width and clearance by multi-axis mechanical processing; and performing antenna metal wiring shaping with a copper etching plating solution. Furthermore, metal wiring shaping and processing is performed with a mechanical cutting tool of a multi-axis processing machine without using any photomask, so as to control substrate surface coarsening uniformity and enhance hydrophilicity of the surface of the modified substrate, with a precise plating technique for enhancing the quality of copper wire coating, cutting costs, and speeding up the processing process..
National Chung Shan Institute Of Science And Technology


 Poppet valve with a formed seat, and  making patent thumbnailPoppet valve with a formed seat, and making
A method of forming a poppet valve having a stem, a valve head and a valve seat while concurrently maintaining compressive residual stress without grain coarsening on both the valve body and the valve seat. The method includes forming a rounded cladded part on the valve head of the poppet valve by welding and forming a valve seat surface at a predetermined aperture angle and cutting the cladded part to form a smooth surface which is subjected to uniform contact pressure at a temperature less than the recrystallization temperature of the base material or cladding material, whichever is lower, to enhance the durability of the valve seat..
Nittan Valve Co., Ltd.


 Components formed by controlling grain size in forged precipitation-strengthened alloys patent thumbnailComponents formed by controlling grain size in forged precipitation-strengthened alloys
Components and methods of processing such components from precipitation-strengthened alloys so that the components exhibit desirable grain sizes following a supersolvus heat treatment. The method includes consolidating a powder of the alloy to form a billet having an average grain size.

 High-temperature-resistant metal-packaged fiber bragg grating sensor and manufacturing method therefor patent thumbnailHigh-temperature-resistant metal-packaged fiber bragg grating sensor and manufacturing method therefor
A manufacturing method for a high-temperature-resistant metal-packaged fiber bragg grating sensor includes using a regenerated fiber bragg grating obtained via high-temperature annealing as a sensitive element so that the grating will not be erased when used at high temperature. The method also includes using a magnetron sputtering method which makes an optical fiber and metal combine better to form on the surface of the optical fiber an adhesive layer and a conductive layer, thereby causing little damage to optical fiber because of the absence of the processes of coarsening, sensitization, etc.
East China University Of Science And Technology


Method of cloth simulation using constrainable multigrid

A method of cloth simulation using a constrainable multigrid is provided. The method includes steps of: calculating a change of geometry of the mesh of nodes at a plurality of time steps using a multigrid method by solving a time-varying partial differential equation at multiple resolutions or levels; providing a hierarchical mesh through restriction or coarsening by down-sampling from level m to m−1 or prolongation or interpolation by up-sampling from level m to m+1; transferring soft constraints between different hierarchical levels using a damper-based constraint method; updating the position vector x and the velocity vector v of the mesh nodes; and displaying an updated state of the mesh of nodes using updated position vector x and velocity vector v on a display..

Automatic transaction coarsening

A processing device comprises an instruction execution unit and track and combing logic to combine a plurality of transactions into a single combined transaction. The track and combine logic comprises a transaction monitoring module to monitor an execution of a plurality of transactions by the instruction execution unit, each of the plurality of transactions comprising a transaction begin instruction, at least one operation instruction and a transaction end instruction.

Magnesium alloy with adjustable degradation rate

An alloy and an implant having a three-dimensional structure based on such alloy. The alloy comprises a mgznca alloy containing nanosized precipitates being less noble than the mg matrix alloy and having a zn content ranging 0.1 wt.

Heat exchanger life extension via in-situ reconditioning

A method of in-situ reconditioning a heat exchanger includes the steps of: providing an in-service heat exchanger comprising a precipitate-strengthened alloy wherein at least one mechanical property of the heat exchanger is degraded by coarsening of the precipitate, the in-service heat exchanger containing a molten salt working heat exchange fluid; deactivating the heat exchanger from service in-situ; in a solution-annealing step, in-situ heating the heat exchanger and molten salt working heat exchange fluid contained therein to a temperature and for a time period sufficient to dissolve the coarsened precipitate; in a quenching step, flowing the molten salt working heat-exchange fluid through the heat exchanger in-situ to cool the alloy and retain a supersaturated solid solution while preventing formation of large precipitates; and in an aging step, further varying the temperature of the flowing molten salt working heat-exchange fluid to re-precipitate the dissolved precipitate.. .

Clustering signifiers in a semantics graph

Clustering signifiers in a semantics graph can comprise coarsening a semantics graph associated with an enterprise communication network containing a plurality of nodes into a number of sub-graphs containing supernodes; partitioning each of the number of sub-graphs into a number of clusters; and iteratively refining the number of clusters to reduce an edge-cut of the semantics graph, based on the number of clusters.. .

System and coarsening in reservoir simulation system

System and method for implementing a reservoir simulation system are described. One embodiment is a computer-implemented method of coarsening a fine grid including a plurality of fine gridblocks, the fine grid representing a geological model having at least one discontinuity therein.

Poppet valve with a formed seat, and making

A method of forming a poppet valve having a stem, a valve head and a valve seat while concurrently maintaining compressive residual stress without grain coarsening on both the valve body and the valve seat. The method includes forming a rounded cladded part on the valve head of the poppet valve by welding and forming a valve seat surface at a predetermined aperture angle and cutting the cladded part to form a smooth surface which is subjected to uniform contact pressure at a temperature less than the recrystallization temperature of the base material or cladding material, whichever is lower, to enhance the durability of the valve seat..

Ultrasonic oscillation probe, manufacturing ultrasonic oscillation probe, and ultrasonic treatment apparatus

This ultrasonic oscillation probe is an ultrasonic oscillation probe for transmitting ultrasonic vibration. A first region where the crystal grain size is relatively small and a second region where the crystal grain size is relatively large are respectively formed in at least one place.

Method for manufacturing a three-dimensional article

The disclosure refers to a method for manufacturing a three-dimensional article, the method including successively building up the article from a metallic base material by means of an additive manufacturing process, thereby creating an article with a substantial anisotropy of its properties and heat treating the manufactured article at a sufficiently high temperature to reduce the anisotropy significantly by recrystallization and/or grain coarsening.. .

Powder metallurgy making components

A powder metallurgy method includes (a) forming a metallic powder into a shape, (b) thermo-mechanically forming the shape into an article having a polycrystalline microstructure, (c) heat treating the article to cause coarsening of the polycrystalline microstructure, and (d) controlling the grain size homogeneity and distribution in the article formed during coarsening in step (c) by selecting the metallic powder in step (a) to include a metallic powder particle size distribution that is truncated on fine and coarse particle size sides, the selected metallic powder particle size distribution reducing abnormal grain growth such that the polycrystalline microstructure coarsens to a predefined target grain size range.. .

Steel for carburizing or carbonitriding use

A steel for carburizing or carbonitriding use consisting of, by mass %, c: 0.1 to 0.3%, si: 0.01 to 0.15%, mn: 0.6 to 1.5%, s: 0.012 to 0.05%, cr: 0.5 to 2.0%, al: 0.030 to 0.050%, ti: 0.0006 to 0.0025%, n: 0.010 to 0.025%, and 0: 0.0006 to 0.0012%, and, optionally, at least one selected from mo≦0.5%, ni≦1.5% and cu≦0.4%, and the balance of fe and impurities. P and nb are p≦0.025% and nb≦0.003% respectively.

Case hardening steel, producing same, and mechanical structural part using case hardening steel

A case hardening steel, which has excellent cold forgeability and excellent crystal grain coarsening prevention characteristics after carburization, contains, in mass %, 0.05-0.20% of c, 0.01-0.1% of si, 0.3-0.6% of mn, 0.03% or less of p (excluding 0%), 0.001-0.02% of s, 1.2-2.0% of cr, 0.01-0.1% of al, 0.010-0.10% of ti, 0.010% or less of n (excluding 0%), and 0.0005-0.005% of b, with the balance consisting of iron and unavoidable impurities. The density of ti-based precipitates having circle-equivalent diameters less than 20 nm in the case hardening steel is 10-100 pieces/μm2; the density of ti-based precipitates having diameters of 20 nm or more in the case hardening steel is 1.5-10 pieces/μm2; and the case hardening steel has a vickers hardness of 130 hv or less..



Coarsening topics:
  • Coarsening
  • Simulation
  • Crystallize
  • Crystallin
  • Solubility
  • Ultrasonic
  • Ferritic Stainless Steel


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