Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 12,825

Document Document Title
WO/2019/111834A1
Provided is a partial diffusion alloyed steel powder with excellent flowability, moldability, and compressibility without containing Ni, Cr, or Si. Specifically provided is a partial diffusion alloyed steel powder with excellent flowabil...  
WO/2019/109138A1
An end-use casting of a high chromium white iron, i.e. a casting that has been heat-treated, includes a ferrous matrix and at least two different chromium carbides dispersed in the matrix, with at least one of the chromium carbides inclu...  
WO/2019/107313A1
An embodiment of the present invention relates to an iron-based powder mixture containing a main raw material powder including at least one type of powder selected from the group consisting of an iron powder and an iron alloy powder, a s...  
WO/2019/108430A1
A powder metal alloy composition is used in the production of a sintered powder metal insert for casting into an aluminum casting. The powder metal alloy composition includes an iron powder metal base, copper such that the copper is 3.5 ...  
WO/2019/105563A1
Powder mixture for use in the manufacture of a three-dimensional object by means of an additive manufacturing method, wherein the powder mixture comprises a first material and a second material, wherein the first material comprises a ste...  
WO/2019/084378A3
An apparatus for countergravity casting a metallic material, comprises: a crucible for holding melted metallic material; a casting chamber for containing a mold; a fill tube capable of extending into the crucible to communicate melted me...  
WO/2019/102705A1
Provided is a low/medium-carbon ferromanganese production method capable of improving the overall yield rate of manganese by reducing both loss due to formation of manganese slag and loss due to evaporation. The low/medium-carbon ferroma...  
WO/2019/103686A1
The present invention relates to a 3D-printed iron based alloy product comprising carbon, tungsten, vanadium, cobalt, chromium and molybdenum with very high hardness and very good high temperature properties thermal properties as well as...  
WO/2019/093194A1
Provided is a method for laser-marking an iron-based sintered compact, the method comprising: a first step for forming, using a first laser beam, a plurality of dot-shaped concave portions having a predetermined depth in an area for an i...  
WO/2019/080457A1
A nitrogen-containing microalloying spring steel and the preparation method therefor. The chemical components are: C 0.45-0.52%; Si 0.15-0.35%; Mn 0.90-1.10%; Cr 0.90-1.15%; Mo 0.10-0.25%; V 0.10-0.20%; Nb 0.025-0.04%; N 0....  
WO/2019/077171A1
The present invention relates to a method for manufacturing a shaping tool that comprises: providing a main steel for manufacturing the shaping tool and a coating steel having a defined chemical composition; depositing by laser cladding ...  
WO/2019/064641A1
The purpose of the present invention is to provide an alloy member having better mechanical properties than conventional materials. This alloy member has a microstructure of columnar crystals, and is characterized in that the grain bound...  
WO/2019/061238A1
A machining process for an automobile output shaft casting, comprising the following steps: (1) manufacturing a mold; (2) molding by means of molding sand; (3) smelting steel into liquid steel; (4) pouring; and (5) cooling. The machining...  
WO/2019/065481A1
The present invention discloses a method for manufacturing an R-T-B-based sintered magnet, including: a step for preparing an R1-T1-B-based sintered body; a step for preparing an R2-Ga-Cu-Co-based alloy; a step for executing, by bringing...  
WO/2019/047031A1
A belt pulley powder metallurgy preparation method, specifically comprising: uniformly mixing 1-5 parts of a graphite powder, 5-10 parts of an electrolytic copper powder, 2-8 parts of palmitic acid, 5-8 parts of nickel oxide, 50-98 parts...  
WO/2019/048047A1
Method of producing a cold drawn wire from a particle metallurgy steel, comprising the following steps: - preparation of a bulk of molten metal comprising in weight %: C 0.03-0.15, Si 0.01-1.2, Mn 0.1-1.5, Cr 15-20, Ni 5-10, Al 0.5-1.5, ...  
WO/2019/029533A1
A cast steel, a preparation method for the cast steel and a part used in the railway field prepared using the cast steel. The cast steel comprises, by mass percentage: 0.12% to 0.22% of carbon, 0.3% to 0.6% of silicon, 0.8% to 1.1% of ma...  
WO/2019/030210A1
An iron-based alloy is described. Also described is a component having a surface layer 12 of an iron-based alloy, a method of providing a surface layer of an iron-based alloy on a component, an apparatus arranged to provide a surface lay...  
WO/2019/031577A1
Provided are: an alloy member which uses a high-entropy alloy having high mechanical strength and high corrosion resistance, and exhibits excellent uniformity in the alloy composition and microstructure thereof, and also excellent shape ...  
WO/2019/021935A1
A sintered member comprising an iron-based alloy, wherein the Ni content in the iron-based alloy as a whole is more than 0.2% by mass and no more than 10% by mass, the C content is more than 0% by mass and no more than 2.0% by mass, and ...  
WO/2019/017256A1
A method according to one aspect of the present disclosure is a laser marking method for a compacted powder body that contains metal powder, the method comprising: a first step for irradiating a predetermined area on the surface of the c...  
WO/2019/003189A1
Refined niobium-based ferroalloys are provided by removing lead and other impurities therefrom by a process comprising charging niobium ore concentrate and/or niobium oxide or a mixture of niobium oxides to a metallothermic reaction cham...  
WO/2018/237154A1
A system (10) and method for the pyrolysis of a pyrolysis feedstock utilizes a pyrolysis reactor (22) having a pyrolysis conduit segment (26) and a solids return conduit segment 28. Each segment (26, 28) is configured with an outlet (40,...  
WO/2018/228139A1
A method for preparing a ferrovanadium alloy based on aluminum thermal self-propagation gradient reduction and slag washing and refining, comprising: (1) aluminum thermal self-propagation gradient reduction: a first scheme, raw materials...  
WO/2018/227792A1
An iron-based amorphous alloy. The iron-based amorphous alloy comprises components FeaBbSic, a, b and c respectively indicating atomic percentage contents, 79.5≤a≤82.5, 11.0≤b≤13.5, 6.5≤c≤8.5, and a+b+c=100. An iron-based amo...  
WO/2018/228140A1
Disclosed is a method for preparing a ferrotitanium alloy based on aluminothermic self-propagating gradient reduction and slagging refining, the method comprising: (1) carrying out aluminothermic self-propagating gradient reduction by me...  
WO/2018/216461A1
Provided is a method for producing a sintered member, the method comprising: a step for preparing raw material powder containing iron-based powder; a step for pressure molding the raw material powder to form a columnar or cylindrical pow...  
WO/2018/214782A1
A process for preparing a spheroidal graphite cast iron screw pile, comprising the steps of pre-pile-casting preparation, pile casting, heat treatment, and finishing. Further disclosed is a spheroidal graphite cast iron screw pile prepar...  
WO/2018/206173A1
The present disclosure relates to a body, a method for manufacturing the body and the use of the body for nuclear shielding in a nuclear reactor. The body comprises the following elements in atomic percent (at%): boron 21-41; iron 25-35;...  
WO/2018/204637A1
Iron-containing alloys, and associated systems and methods, are generally described. The iron-containing alloys are, according to certain embodiments, nanocrystalline. According to certain embodiments, the iron-containing alloys have hig...  
WO/2018/197612A1
Described are powders of nitrided inorganic materials comprising one or more phases selected from the group consisting of intermetallic phases and alloy phases, and pro- cesses for obtaining such materials.  
WO/2018/198440A1
This metal member is provided with metal crystal grains (10) and a granular reinforcing substance (30) formed in the boundaries of the crystal grains. The reinforcing substance includes shapes having a grain surface area equivalent grain...  
WO/2018/198628A1
Provided is a heat-resistant sintered material: that has a composition which includes, by mass%, Cr: 15 to 30%, Ni: 8 to 30%, Si: 2.0 to 6.0%, C: 0.5 to 2.5%, and the balance comprising Fe and inevitable impurities; and that has a struct...  
WO/2018/197631A1
The invention relates to a component produced by powder metallurgy, in the form of a valve guide or a valve seat ring, having an iron-based matrix, which contains a mineral solid lubricant, the matrix having a density of 75 to 90% of the...  
WO/2018/194165A1
Provided is a smelting method whereby reduction by a carbonaceous reducing agent is performed to obtain a reduced substance using as a raw material a nickel oxide ore or other metal oxide containing oxidized nickel or the like, for examp...  
WO/2018/188008A1
Disclosed is a bearing steel, with the components thereof in percentage by weight being: C: 0.75-0.85%; Si: 0.15-0.35%; Mn: 0.25-0.40%; Cr: 1.40-1.60%; Ni: 0.05-0.09%; Mo: 0.02-0.08%; Al: 0.005-0.020%; Cu: 0.02-0.08%; Ce:...  
WO/2018/190405A1
A FeNi ordered alloy having an L10-type ordered structure, the degree of order being at least 0.4, and the coercive force being at least 87.5 kA/m. For example, a FeNi disordered alloy is subjected to a nitriding treatment and then a den...  
WO/2018/181594A1
Provided is a permanent magnet which has a high coercivity among permanent magnets that contain Ce as a substitute element for Nd. A permanent magnet 10 according to the present invention is provided with: a plurality of main phase parti...  
WO/2018/181580A1
Provided are: a permanent magnet that has a large magnetic coercive force among the permanent magnets that contain Ce as a substitutional element for Nd; and a rotating machine equipped with said permanent magnet. This permanent magnet 1...  
WO/2018/181592A1
Provided are a permanent magnet having high coercive force and high squareness ratio among permanent magnets including Ce as an alternative element for Nd, and a rotating machine provided with the permanent magnet. The permanent magnet c...  
WO/2018/181015A1
This heat-resistant sintered material has a composition which contains, in mass% as a whole composition, 20-38% of Cr, 0.5-3.0% of Mo, 3.0-7.0% of Si and 0.5-2.5% of C with the balance made up of Fe and unavoidable impurities. This heat-...  
WO/2018/176908A1
A method for manufacturing thin-specification high-Ti wear-resistant steel NM450, comprising the steps of blast-furnace melted iron preparation, melted iron pretreatment, converter smelting, LF furnace refining, RH furnace refining, trad...  
WO/2018/181581A1
Provided is a permanent magnet which has a good balance between residual magnetic flux density and coercivity among permanent magnets that contain Y and Ce as substitute elements for Nd. A permanent magnet 10 according to the present inv...  
WO/2018/172437A1
The present disclosure relates to a powder of an austenitic alloy and a HIP:ed object manufactured thereof and a process for the manufacturing the HIP:ed object and its use in corrosive environments.  
WO/2018/173782A1
This permanent magnet is represented by composition formula RMZNX. This permanent magnet comprises: a first phase which has at least one crystal structure selected from among a Th2Ni17 type one, a Th2Zn17 type one and a TbCu7 type one; a...  
WO/2018/173783A1
This permanent magnet is represented by composition formula RMZNX, and comprises a main phase which has at least one crystal structure selected from among a Th2Ni17 type one, a Th2Zn17 type one and a TbCu7 type one and secondary phases w...  
WO/2018/166248A1
A nodulizing and inoculation process for nodular cast iron, comprising the following steps: step 1, adding 1% of nodulizing agent, 0.2% of silicon barium inoculant, 0.3% of long-acting inoculant, and weight to a pit of a nodulizing ladle...  
WO/2018/166247A1
A development method for high-strength and high-toughness nodular cast iron for wind electricity, comprising the following steps: step 1, proportioning of smelting furnace burden, specifically, pig iron: scrap steel: foundry returns = 40...  
WO/2018/163967A1
The purpose of the present invention is to provide: a sintered magnet which contains Sm-Fe-N crystal grains and has high coercivity; and a magnetic powder which is capable of forming a sintered magnet without lowering the coercivity even...  
WO/2018/159870A1
Provided is a negative electrode active material for a second battery capable of providing high-capacitance and high-efficiency charge and discharge characteristics. The negative electrode active material comprises a negative electrode a...  

Matches 1 - 50 out of 12,825