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JP5553482B2 |
The invention provides a vessel for molten metal comprising a vessel body formed of an alumina-silica-based material, and a protective layer formed of a silicon nitride- alumina-based material provided on the inner surface of the vessel ...
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JP5546170B2 |
To provide an easily executable method of removing inclusions capable of efficiently removing fine inclusions in molten metal which cannot be removed by floatation and filtration.The method of removing the inclusions in the molten metal ...
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JP2014125404A |
To adjust temperature of a sapphire single crystal body being pulled, with good control in response to the growing condition of the sapphire single crystal body.In a sapphire single crystal growth apparatus, together with a first inducti...
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JP2014122719A |
To provide a lifting device for a vertical vacuum furnace capable of being reassembled and positioned on a customer site in short time.A vertical vacuum furnace assembly 10 includes: first and second support modules 16 and 18 arranged to...
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JP5530093B2 |
Refractory crucibles (8) capable of managing thermal stress and suitable for melting highly reactive alloys having a facecoat, a backing, and at least one retaining ring (30) applied about at least a portion of the backing of the crucibl...
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JP5530116B2 |
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JP5532654B2 |
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JP5523738B2 |
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JP5521285B2 |
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JP5517710B2 |
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JP2014105087A |
To provide a crucible hanging tool which is compactly provided around a crucible and can securely hang the crucible.A crucible hanging tool comprises a sheet body 31 which is cylindrically disposed along the outer periphery of a crucible...
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JP5500880B2 |
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JP5484188B2 |
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JP5476042B2 |
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JP5475961B2 |
A crucible for melting titanium alloys has a facecoat (16) including at least one facecoat layer (18) containing an oxide selected from scandium oxide, yttrium oxide, hafnium oxide, a lanthanide series oxide, and combinations thereof, an...
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JP5474700B2 |
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JP5474879B2 |
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JP5473271B2 |
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JP5453446B2 |
A method and a furnace for melting a silicon or silicon-based alloy raw material, wherein the raw material is heated with a heating element that generates heat via energization, and the raw material is melted in an inert atmosphere with ...
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JP5444109B2 |
To provide a method for melting production of a long ingot by which a sound long ingot is stably produced by using a CCIM (Cold Crucible Induction Melting) method.The method for melting production of a long ingot inclydes: a first step i...
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JP5436984B2 |
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JP5425386B2 |
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JP5421229B2 |
A unibody, monolithic, one-piece negative draft crucible for an MBE effusion source. The crucible maximizes capacity, uniformity and long term flux stability, and minimizes oval defects, depletion effects, and short term shutter-related ...
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JP2014024740A |
To provide: a ceramic sintered body that is excellent in corrosion resistance against an alkaline composition of compositions composing a positive electrode material of a lithium ion secondary battery and thermal shock resistance; a memb...
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JP5408622B2 |
To reduce contamination within an apparatus by a radioactive element having high vapor pressure, and to provide a crucible cover used for an alloy fuel manufacturing apparatus suppressing an evaporation loss of the element. In the alloy ...
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JP2014012633A |
To provide a crucible and a method in which a taking out property for taking out a solidified ingot from the crucible without generating a crack during solidifying and after solidifying in the crucible that holds a melted semiconductor m...
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JP5393120B2 |
To provide a device and a method where, in a technique of melting a titanium ingot by electron beam melting with titanium scrap as a melting raw material, titanium scrap with variation in feeding quantity and dimensions can be stably uti...
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JP5380775B2 |
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JP5381474B2 |
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JP5374063B2 |
To provide a metal melting crucible and its surface treatment method for reducing a melting loss and further improving strength to extend its service life by reforming the surface of the metal melting crucible chiefly containing existing...
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JP5372328B2 |
There are provided a melting furnace including a containing space for containing a melt of nonferrous metal, a magnetic field generating device, a magnetic flux therefrom, from outside penetrates the melting furnace for containing the me...
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JP5367715B2 |
A melting furnace including a sealed container containing an inert gas atmosphere, a crucible that is located inside the sealed container and melts a raw material by induction heating, and a crucible cooling mechanism. The crucible cooli...
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JP2013241280A |
To solve such the problem that since recent fast-paced expansion of the market scale of metallic silicon-based solar cells brings expansion of the production scale, resulting in excessive competition in the market, whereby the market pri...
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JP5361362B2 |
To provide an induction melting furnace preventing malfunction of a run-out detecting net caused by infiltration of molten metal during tapping from a gap generated in a joint part between a refractory material powdery layer in the upper...
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JP5360958B2 |
To provide a crucible for melting capable of favorably filling a thermally conductive filler in a gap between a crucible body and a heat insulator. The crucible 30 for melting is equipped with the crucible body 32, a heater wire 40 provi...
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JP5348902B2 |
To provide an aluminum melting furnace, heat treatment apparatus, and casting system capable of carrying out even heating in a short time and effectively using heat without discharging carbon dioxide. The aluminum casting system 10 is co...
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JP5342322B2 |
To provide a method for manufacturing an ingot capable of suppressing generation of cast defects and of manufacturing a large sound ingot. In the method for manufacturing the ingot 6 by pulling out a crucible bottom 1 downward while supp...
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JP5342784B2 |
To prevent heat contained in exhaust gas from being dispersed to the outside when collecting the heat contained in the exhaust gas generated by combustion by a simple structure and at low cost. A burner attachment hole (4) is provided ne...
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JP5302562B2 |
To provide a crucible for melting metal and its manufacturing method for preventing erosion, and obtaining a robust modified layer to prevent separation of the modified layer simultaneously with separating work of molten steel attached t...
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JP2013185719A |
To provide a hybrid type metal melting furnace that has a high melting efficiency of metal and discharges a small amount of nitrogen oxide and can remove an impurity element even without special incidental facilities and exhibit excellen...
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JP5276834B2 |
To resolve disadvantages of an indirect heating type metal melting holding furnace, such as a low melting speed and low heat efficiency, and to prevent waste of fuel by reducing variation of the temperature in the furnace. A molten metal...
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JP5270900B2 |
To secure work safety when heating and melting road surface marking paint even in the indoors or the like without using gas as a heat source, and to improve working efficiency by heating and melting the road surface marking paint near a ...
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JP5271795B2 |
To provide a method of use of an expanded graphite sheet capable of preventing the damage of an inner crucible used in silicon manufacture, restraining the SiC formation on an outer crucible, and uniformly transmitting heat from the oute...
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JP5261332B2 |
To provide a melting furnace capable of remarkably improving workability in disposing a gate, and easily performing maintenance such as replacement. The melting furnace 1 includes a furnace body 2, and the gate 3 for leading out molten m...
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JP5264147B2 |
To solve problems that a yield rate is lowered as fly loss is large in charging a powered material in melting the powdered material such as powder silicon by a plasma torch, and silicon is evaporated by high temperature at an arc fire po...
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JP5262301B2 |
To provide a rapid cooling method of a channel induction heating device capable of efficiently performing rapid cooling in a short time without using a special device, and without damaging a used refractory. In this rapid cooling method ...
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JP5258541B2 |
An electrode anchoring structure in a crystal-growing furnace includes at least one graphite electrode pillar, at least one metal electrode pillar, at least one anchoring base, and at least one locking nut, wherein the graphite electrode...
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JP5250480B2 |
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JP5237801B2 |
The invention relates to an iridium alloy of at least 85% by weight iridium, at least 0.005% by weight molybdenum, 0.001 to 0.6% by weight hafnium and, if necessary, rhenium, the sum of molybdenum and hafnium being between 0.02 and 1.2% ...
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JP5232536B2 |
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