JP5427674B2 - 耐磨耗弁座 - Google Patents
耐磨耗弁座 Download PDFInfo
- Publication number
- JP5427674B2 JP5427674B2 JP2010084783A JP2010084783A JP5427674B2 JP 5427674 B2 JP5427674 B2 JP 5427674B2 JP 2010084783 A JP2010084783 A JP 2010084783A JP 2010084783 A JP2010084783 A JP 2010084783A JP 5427674 B2 JP5427674 B2 JP 5427674B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- friction stir
- alloy
- base alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000956 alloy Substances 0.000 claims description 90
- 229910045601 alloy Inorganic materials 0.000 claims description 90
- 238000003756 stirring Methods 0.000 claims description 62
- 229910052751 metal Inorganic materials 0.000 claims description 46
- 239000002184 metal Substances 0.000 claims description 46
- 150000001875 compounds Chemical class 0.000 claims description 32
- 230000005496 eutectics Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 16
- 239000002344 surface layer Substances 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 description 27
- 238000005260 corrosion Methods 0.000 description 27
- 210000001787 dendrite Anatomy 0.000 description 23
- 238000003466 welding Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000003628 erosive effect Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 230000006378 damage Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/02—Arrangements of auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1275—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding involving metallurgical change
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/34—Coated articles, e.g. plated or painted; Surface treated articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/15—Magnesium or alloys thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2251/00—Treating composite or clad material
- C21D2251/04—Welded or brazed overlays
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2261/00—Machining or cutting being involved
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49405—Valve or choke making
- Y10T29/49412—Valve or choke making with assembly, disassembly or composite article making
- Y10T29/49425—Valve or choke making with assembly, disassembly or composite article making including metallurgical bonding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Lift Valve (AREA)
- Sliding Valves (AREA)
- Check Valves (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
2 デンドライト(基地部)
3 網目状共晶炭化物等の化合物相
4 等軸晶組織(基地部)
5 粒状もしくは塊状の共晶炭化物等の化合物相
6 内層(デンドライト)と表層(等軸晶)の遷移領域もしくは加工組織
7 摩擦攪拌工具
8 摩擦攪拌工具のショルダ部
9 摩擦攪拌工具のピン状のプローブ
10 弁座(表面溶着金属)
11 摩擦攪拌処理後の弁座表面
12 仕切り弁の弁箱の弁座部
13 仕切り弁の弁体
14 仕切り弁の弁箱
15 仕切り弁の弁棒
16 摩擦攪拌処理を施した弁座部
17 逆止弁の弁箱の弁座部
18 逆止弁の弁体
19 逆止弁の弁箱
Claims (4)
- 弁体及び弁箱を備え、両者が摺動する面にそれぞれ弁座を有する弁において、それぞれの前記弁座の溶着金属はCo基,Ni基,Fe基から選ばれた少なくとも1種であり、弁座の表層が、等軸晶からなる基地部と粒径100μm以下の粒状または塊状の共晶化合物が分散した合金で形成されていることを特徴とする弁。
- 請求項1において、前記弁座は、弁座の板厚方向に異なる組織(内層:デンドライト組織、中層:加工組織、表層:等軸晶組織)を有する弁座が接合されていることを特徴とする弁。
- 請求項1または2において、弁体と弁箱とに接合された弁座が表面硬化肉盛材により形成され、前記弁座表面に摩擦攪拌プロセスを行い、表面肉盛材を溶融もしくは半溶融させた後に冷却して形成されることを特徴とする弁。
- 請求項1から3のいずれかに記載の前記弁は、原子力発電プラントに使用されることを特徴とする弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010084783A JP5427674B2 (ja) | 2010-04-01 | 2010-04-01 | 耐磨耗弁座 |
US13/075,228 US8888069B2 (en) | 2010-04-01 | 2011-03-30 | Valves having high wear-resistance and high corrosion-resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010084783A JP5427674B2 (ja) | 2010-04-01 | 2010-04-01 | 耐磨耗弁座 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011214682A JP2011214682A (ja) | 2011-10-27 |
JP5427674B2 true JP5427674B2 (ja) | 2014-02-26 |
Family
ID=44910932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010084783A Expired - Fee Related JP5427674B2 (ja) | 2010-04-01 | 2010-04-01 | 耐磨耗弁座 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8888069B2 (ja) |
JP (1) | JP5427674B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU180412U1 (ru) * | 2017-08-25 | 2018-06-13 | Акционерное общество "Завод энергетического оборудования Энергопоток" | Затвор обратный |
RU2660986C1 (ru) * | 2017-04-13 | 2018-07-11 | Акционерное общество "Завод энергетического оборудования Энергопоток" | Затвор обратный |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5431426B2 (ja) * | 2011-08-23 | 2014-03-05 | 株式会社日立製作所 | Ni基合金大型部材及びNi基合金大型部材を使用したNi基合金溶接構造物とその製造方法 |
JP6005436B2 (ja) * | 2012-08-07 | 2016-10-12 | 株式会社東芝 | 軽水炉用弁 |
US20140261900A1 (en) * | 2013-03-12 | 2014-09-18 | Lockheed Martin Corporation | Friction surface stir process |
DE102014206505A1 (de) * | 2013-04-15 | 2014-11-27 | Ksb Aktiengesellschaft | Aufbau einer metallisch dichtenden Schrägsitzgeometrie mittels Laserschmelzen |
KR101642074B1 (ko) * | 2014-09-12 | 2016-07-22 | 금용기계 주식회사 | 배기밸브 스핀들의 제조방법 |
US10391557B2 (en) | 2016-05-26 | 2019-08-27 | Kennametal Inc. | Cladded articles and applications thereof |
US10125874B2 (en) | 2016-10-24 | 2018-11-13 | Flowserve Management Company | Valves including multiple seats and related assemblies and methods |
WO2019040795A1 (en) * | 2017-08-23 | 2019-02-28 | Arconic Inc. | ADDITIONALLY MANUFACTURED PARTS HAVING VARIOUS GRAIN MICROSTRUCTURES AND RELATED METHODS OF MANUFACTURING SAME |
JP6960329B2 (ja) * | 2017-12-26 | 2021-11-05 | 日立Geニュークリア・エナジー株式会社 | 耐食耐摩耗盛金の形成方法および耐食耐摩耗弁の製造方法 |
US10344757B1 (en) * | 2018-01-19 | 2019-07-09 | Kennametal Inc. | Valve seats and valve assemblies for fluid end applications |
US11566718B2 (en) | 2018-08-31 | 2023-01-31 | Kennametal Inc. | Valves, valve assemblies and applications thereof |
JP7028808B2 (ja) * | 2019-01-11 | 2022-03-02 | 日立Geニュークリア・エナジー株式会社 | 盛金部の検査方法、及びその方法を使用した弁の製造方法 |
JP7144374B2 (ja) | 2019-07-29 | 2022-09-29 | 日立Geニュークリア・エナジー株式会社 | トランジションピースの製造方法およびトランジションピース |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4172162A (en) * | 1976-06-25 | 1979-10-23 | Materials Development Corporation | Boride hard-facing |
US5633094A (en) * | 1994-10-28 | 1997-05-27 | Hitachi, Ltd. | Valve having facing layers of co-free Ni-base Alloy |
JPH10331659A (ja) * | 1997-06-02 | 1998-12-15 | Hitachi Ltd | 発電用ガスタービン及びコンバインド発電システム |
JP2000095219A (ja) | 1998-09-22 | 2000-04-04 | Hitachi Zosen Corp | ペットボトル圧縮梱包機 |
JP2000273573A (ja) * | 1999-03-26 | 2000-10-03 | Hitachi Ltd | 耐蝕・耐摩耗合金とその合金を用いた機器 |
US20010045231A1 (en) * | 1999-06-14 | 2001-11-29 | Gilles Monod | Ball valve with replaceable cartridge insert |
CA2333933C (en) | 2000-02-04 | 2004-09-21 | Hitachi, Ltd. | Valve bonded with corrosion and wear proof alloy and apparatuses using said valve |
JP3503565B2 (ja) * | 2000-03-29 | 2004-03-08 | 株式会社日立製作所 | 弁及びそれを用いた原子力発電プラント |
JP3458849B2 (ja) | 2001-08-03 | 2003-10-20 | 株式会社日立製作所 | コバルト基合金およびこの合金を用いた弁,原子炉プラント |
JP2003166978A (ja) * | 2001-12-03 | 2003-06-13 | Hitachi Ltd | 耐蝕耐磨耗合金接合部の非破壊検査方法 |
JP2003207059A (ja) * | 2002-01-11 | 2003-07-25 | Hitachi Ltd | 弁及びその製造方法 |
JP2004359998A (ja) | 2003-06-04 | 2004-12-24 | Hitachi Ltd | 化合物粒子分散合金層を有する金属部材の製造方法及び摺動部材 |
JP5025369B2 (ja) * | 2007-07-27 | 2012-09-12 | 株式会社東芝 | 表面肉盛方法 |
JP5149607B2 (ja) | 2007-12-13 | 2013-02-20 | 株式会社日立製作所 | 摩擦攪拌装置及び摩擦攪拌プロセス |
JP5250410B2 (ja) | 2008-12-26 | 2013-07-31 | 株式会社日立製作所 | 複合材料の製造方法 |
-
2010
- 2010-04-01 JP JP2010084783A patent/JP5427674B2/ja not_active Expired - Fee Related
-
2011
- 2011-03-30 US US13/075,228 patent/US8888069B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2660986C1 (ru) * | 2017-04-13 | 2018-07-11 | Акционерное общество "Завод энергетического оборудования Энергопоток" | Затвор обратный |
RU180412U1 (ru) * | 2017-08-25 | 2018-06-13 | Акционерное общество "Завод энергетического оборудования Энергопоток" | Затвор обратный |
Also Published As
Publication number | Publication date |
---|---|
US8888069B2 (en) | 2014-11-18 |
JP2011214682A (ja) | 2011-10-27 |
US20110278490A1 (en) | 2011-11-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5427674B2 (ja) | 耐磨耗弁座 | |
Xu et al. | The initiation and propagation mechanism of the overlapping zone cracking during laser solid forming of IN-738LC superalloy | |
Singh et al. | Mechanical and microstructural properties evolutions of various alloys welded through cooling assisted friction-stir welding: A review | |
Rafi et al. | Microstructure and tensile properties of friction welded aluminum alloy AA7075-T6 | |
Elangovan et al. | Influences of tool pin profile and tool shoulder diameter on the formation of friction stir processing zone in AA6061 aluminium alloy | |
Gandra et al. | Deposition of AA6082-T6 over AA2024-T3 by friction surfacing-Mechanical and wear characterization | |
Yao et al. | Microstructure and wear resistance of laser cladded composite coatings prepared from pre-alloyed WC-NiCrMo powder with different laser spots | |
Li | Repair of directionally solidified superalloy GTD-111 by laser-engineered net shaping | |
Murugan et al. | Prediction of tensile strength of friction stir welded stir cast AA6061-T6/AlNp composite | |
Pang et al. | Microstructure study of laser welding cast nickel-based superalloy K418 | |
Lei et al. | Epitaxy and new stray grain formation mechanism during epitaxial laser melting deposition of Inconel 718 on directionally solidified nickel-based superalloys | |
Palanivel et al. | Microstructure evolution and mechanical characterization of Nd: YAG laser beam welded titanium tubes | |
Tabaie et al. | Dissimilar linear friction welding of selective laser melted Inconel 718 to forged Ni-based superalloy AD730™: Evolution of strengthening phases | |
Zhang et al. | Study on the microstructure and fatigue behavior of a laser-welded Ni-based alloy manufactured by selective laser melting method | |
Song et al. | Mechanisms of soldering formation on coated core pins | |
Palanivel et al. | Effect of Nd: YAG laser welding on microstructure and mechanical properties of Incoloy alloy 800 | |
Silvério et al. | Deposition of AA5083-H112 over AA2024-T3 by friction surfacing | |
Hawk et al. | Effect of processing parameters on the microstructure and mechanical properties of wide-gap braze repairs on nickel-superalloy René 108 | |
Sun et al. | Microstructure and mechanical properties of the IC10/GH3039 dissimilar electron beam welded joint | |
Sujai et al. | Microstructure and mechanical characterization of incoloy 925 welds in the as-welded and direct aged conditions | |
Xie et al. | Microstructure and mechanical properties of a new cast nickel-based superalloy K4750 joint produced by gas tungsten arc welding process | |
Pei et al. | A gradient Al/Ni-Cr-Al layer formed by direct current pulse metal inert gas welding combined laser cladding on AZ91D magnesium alloy | |
Arulsamy et al. | Experimental investigation on microstructure and mechanical properties of friction welded dissimilar alloys | |
Arulmurugan et al. | Influence of filler wire and welding process to mitigate the microsegregation of alloy C-2000 using continuous and pulsed current gas tungsten arc welding techniques | |
Andersson | Review of weldability of precipitation hardening Ni-and Fe-Ni-based superalloys |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120622 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120622 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130308 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130319 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130520 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131105 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131202 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |