CN117377551A - 镍基高温合金焊接填料 - Google Patents
镍基高温合金焊接填料 Download PDFInfo
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- 239000000945 filler Substances 0.000 title claims abstract description 58
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 8
- 229910000601 superalloy Inorganic materials 0.000 title abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010936 titanium Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 239000011651 chromium Substances 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 6
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 239000011733 molybdenum Substances 0.000 claims abstract description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000010937 tungsten Substances 0.000 claims abstract description 5
- 239000010941 cobalt Substances 0.000 claims abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 19
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims 1
- 239000011573 trace mineral Substances 0.000 abstract description 5
- 235000013619 trace mineral Nutrition 0.000 abstract description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 239000010953 base metal Substances 0.000 description 14
- 238000003466 welding Methods 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 239000000758 substrate Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910001173 rene N5 Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
- B23K35/304—Ni as the principal constituent with Cr as the next major constituent
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0227—Rods, wires
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/005—Selecting particular materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
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- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
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- 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
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- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
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- F05D2230/235—TIG or MIG welding
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- F05D2300/518—Ductility
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Abstract
提出了一种焊接填料,其显著提高某些镍基高温合金的可焊接性,并包含以下成分(以重量%计):14.6%‑15.6%铬(Cr)、10.4%‑11.4%钴(Co)、4.6%‑5.0%钼(Mo)、4.4%‑5.2%钨(W)、1.4%‑1.8%钽(Ta)、3.0%‑3.7%铝(Al)、0.7‑1.3%钛(Ti)、0.14%‑0.16%碳(C)、0.0425‑0.0575%锆、0.7%‑1.2%铪(Hf)、至多0.15%铁、至多0.1%锰、至多0.1%硅、至多0.1%钒、至多0.015%硼、痕量元素和余量的镍。
Description
相关申请的交叉引用
本申请是2020年10月29日提交的申请号17/051,468的部分继续,该申请是2018年5月1日提交的国际申请号PCT/US2018/030385的美国国家阶段并要求其权益。所有申请均通过引用以其全文并入本文。
背景
1.领域
本公开一般性涉及材料技术领域,更特别地涉及一种镍基高温合金焊接填料。
2.相关技术的描述
在所有高温材料中,镍基高温合金对于飞行器和发电厂(power plant)的燃气轮机结构具有最有利的机械性能、耐腐蚀性和可加工性的组合。这部分是由于镍基高温合金可以通过γ'相的沉淀来强化的事实。尽管如此,随着时间的推移,在恶劣环境(例如燃气轮机发动机)中运行的镍基高温合金部件仍然可能会出现裂纹。由于这些部件的制造复杂且成本高昂,因此需要努力修复部件的损坏部分而不是将它们全部报废。因此,焊接镍基高温合金部件对其进行翻新是一种理想且具有成本效益的选项。
然而,众所周知镍基高温合金材料的焊接是困难的。为了规避γ'-硬化镍基高温合金难以焊接的问题,通常使用延性焊接填料进行焊接。常用的延性焊接填料,例如IN-625、IN-617、Hast-W和HA-282,是在燃气轮机温度比当前和未来设计相对较低时开发的。这些延性焊接填料,在用于当前的比近期的那些越来越高的运行温度下运行的燃气轮机部件时,可能无法承受在较高运行温度下发生的氧化。
因此,需要能够承受比过去使用的更高温度的延性焊接填料。
概述
简而言之,本公开的各方面涉及延性焊接填料和用于焊接镍基高温合金部件的方法。
第一方面提供了具有以下组成的延性焊接填料:
14.6–15.6重量%铬;
10.4–11.4重量%钴;
4.6–5.0重量%钼;
4.4–5.2重量%钨;
1.4–1.8重量%钽;
3.0–3.7重量%铝;
0.7–1.3重量%钛;
0.14–0.16重量%碳;
0.0425–0.0575重量%锆;
0.7–1.2重量%铪;
至多0.15重量%铁;
至多0.1重量%锰;
至多0.1重量%硅;
至多70ppm重量%镁;
至多0.005重量%硫;
至多0.1重量%钒;
至多0.015重量%硼;和
余量的镍。
附图简述
图1是示出了各种高温合金的相对可焊接性的图表,
图2是各种焊接填料和高温合金基体材料的热膨胀系数图表,和
图3示出了转子桨叶或导向叶片的透视图。
详细说明
为了便于理解本公开的实施方案、原理和特征,下文结合说明性实施方案中的实现方式对其进行解释。然而,本公开的实施方案不限于在所描述的***或方法中使用。
下文中描述的构成各个实施方案的组件和材料旨在是说明性的而非限制性的。将表现与本文描述的材料相同或相似的功能的许多合适的组件和材料旨在被涵盖在本公开的实施方案的范围内。
现在参考附图,其中附图仅用于说明本文主题的实施方案而不是为了对其进行限制,图1是示出了各种基体金属和焊接填料材料的高温合金可焊接性与它们的铝和钛含量的函数的图表100。一般来说,材料的铝含量越高,焊接就越困难。线110描绘了可焊接性区域的经验证的上边界。这条线以上的合金被验证是难以焊接的。例如,如图表所示,Alloy-247LC是非常难以焊接的合金而IN-617可以使用常规的TIG(钨惰性气体)焊接工艺容易地焊接。对于焊接填料而言,该图表还表明HA-282可以容易地焊接。对于焊接领域的技术人员来说,HA-282是非常好的延性焊接填料,但它将很快无法承受当前和未来燃气轮机发动机设计的相对较高运行温度中发生的氧化。
合金Rene-80是一种镍基高温合金,其是非常受欢迎的飞行器发动机基体金属,然而,已经证明它在当前燃气轮机的使用中受到氧化限制。IN-617是非常好的延性镍基高温合金焊接填料。IN-617因为其在700-900℃的温度范围(燃气轮机运行的范围)内的延性有所提高而特别有用,而大多数其他高温合金在此温度范围内的延性有所下降。
本发明人已经认识到HA-282的化学组成基本上是Rene-80和IN-617的50/50(以重量%计)混合物,其中具有一些微小差异(例如W和Fe含量)。这在下表1示出,其中第1行列出了基体金属Rene-80、第2行列出了焊接填料IN-617、第3行列出了Rene-80和IN-617的50/50(重量%)混合物、第4行列出了焊接填料HA-282的化学组成。
表1
因此,
(1)HA-282≈Rene-80+IN-617。
在当前的燃气轮机铸件中,Alloy-247LC是首选基体金属,因为它能够承受不断升高的燃气轮机运行温度,这样的燃气轮机运行温度能使燃气轮机运行更高效。因此,本发明人创造性地提出用Alloy-247LC替代等式(1)中的基体金属Rene-80以获得新的延性焊接填料,其基本上是基体金属Alloy-247LC和延性焊接填料IN-617的混合物。因此,本发明的延性焊接填料由等式(2)描述。
(2)延性焊接填料≈Alloy-247LC+IN-617。
所提出的焊接填料是比以前使用的那些焊接填料更抗氧化的焊接填料,因此与当前使用的基体金属合金(例如Alloy-247LC和IN-738)更兼容。例如,延性焊接填料的性能与Alloy-247LC和IN-738的性能密切匹配。
所提出的延性焊接填料包含以下组成:
11.0重量%-15.5重量%铬;
9.5重量%-11.0重量%钴;
2.0重量%-5.0重量%钼;
4.5重量%-7.5重量%钨;
1.5重量%-2.6重量%钽;
3.0重量%-5.0重量%铝;
0.4重量%至1.0重量%钛;
至多0.8重量%铁;
至多0.3重量%锰;
至多0.3重量%硅;
至多0.1重量%碳;
至多0.015重量%硼;
至多0.02重量%锆;
至多1.2重量%铪;
至多0.1重量%钒;
至多0.1镁;和
余量的镍。
下表(表2)总结了延性焊接填料(详细信息以重量%计)Ductilloy、SieWeld-A-247LC、SieWeld-B-247LC B和SieWeld-C-247的三个示例性实施方案,包括元素范围和每种元素对合金的有益影响。Ductilloy和SieWeld-C-247基本上是Alloy 247和IN-617的50/50(以重量计)混合物。SieWeld-A-247LC基本上包含基体金属Alloy 247和焊接填料IN-617的75/25(以重量%计)混合物,而SieWeld-B-247LC基本上包含基体金属Alloy 247和焊接填料IN-617的66.6/33.3(以重量%计)混合物。
表2(所有值均以重量%计)
可能合意的是,让焊接填料的组成和性能尽可能与其将要焊接的基体金属密切匹配。例如,通过使焊接填料的热膨胀系数与基体材料尽可能密切匹配,可以避免由于不同的热膨胀而导致的高应力水平。因此,焊接填料SieWeld-A-247LC的实施方案将是与例如基体金属Alloy-247最密切的匹配。当前,由于在热影响区和焊接金属中形成裂纹,在室温下尝试使用常规焊接工艺进行其中镍基高温合金基体金属和焊接填料为相同的焊接是不可能的。
基于其延性或拉伸伸长率,所提出的延性焊接填料在室温下将具有好的焊接性能。此外,基于其热膨胀系数,延性焊接填料在涡轮机的升高温度下的运行期间将具有可接受的性能。图2示出了几种基体金属Alloy-247LC、IN-738和Rene 80、焊接填料IN-617和HA282以及提出的焊接填料Ductilloy/SieWeld-c-247、SieWeld-A-247LC和SieWeld-B-247LC的热膨胀系数。从图2中可以看出,所提出的焊接填料实施方案的热膨胀系数与Alloy-247LC的热膨胀系数密切匹配。具有与基体金属热膨胀系数密切匹配的焊接填料是有利的,因为在焊接过程中对合金施加高温时材料也会类似地升温。通过减小温差并因此减小焊接接头与基材之间的应力梯度,可以避免焊接接头中的裂纹。
在一个实施方案中,可对焊接填料组合物的性能具有有害影响的有害痕量元素被保持在严格的容限范围内。这些有害的痕量元素可包括硅、碳、硼和锆。例如,这些元素的百分比不应超过表2中列出的浓度。在一个替代实施方案中,(SieWeld-C-247)可以放宽痕量元素,即容限更宽松。在该替代实施方案中,痕量元素可包括硅、钛、锆、碳和硫。
在一个实施方案中,材料Mar-M-247、CM-247LC、PWA-1483、Alloy-247、IN-738、Mar-M002、Rene-N5、Rene-N4、CMSX-4、CMSX-2、Rene-142、GTD-111、MGA-1400和IN-939可使用提出的延性焊接填料进行焊接。
返回参考图1和图2,提出了一种用于焊接镍基高温合金部件的方法。如上所述的延性焊接填料用于焊接到镍基高温合金部件的基材上。该方法包括将延性焊接填料施加至基材的表面。所提出的延性焊接填料具有与基材的热膨胀系数密切匹配的热膨胀系数。可以对焊接填料施加热量以熔化焊接填料,从而形成熔融的焊接填料。在环境温度下,利用熔融的焊接填料来焊接基材。使焊接后的基材冷却并重新凝固,从而在基材上产生凝固接头。出于本公开的目的,紧密匹配是指在600°-1000℃范围内具有Alloy-247LC的3%以内的热膨胀系数,该范围是燃气轮机目前运行的范围。
图3示出了涡轮机的转子桨叶120或导向叶片130的透视图,其沿着纵向轴线121延伸。涡轮机可以是飞行器或用于发电的发电厂的燃气轮机、蒸汽轮机或压缩机。桨叶或叶片120、130沿着纵向轴线121相继地具有固定区域400、邻接的桨叶或叶片平台403以及主桨叶或叶片部分406。作为导向叶片130,叶片130可在其叶片尖端415处还具有平台(未示出)。用于将转子桨叶120、130固定至轴或盘(非轴)的桨叶或叶片根部183形成在固定区域400中。桨叶、叶片根部183例如被设计成锤头形。其他配置,例如枞树或燕尾根部,也是可能的。桨叶或叶片120、130具有用于流过主桨叶或叶片部分406的介质的前缘409和后缘412。在常规桨叶或叶片120、130的情况下,举例而言,固体金属材料,特别是高温合金,用于桨叶或叶片120、130的所有区域400、403、406中。因此,延性焊接填料可用于焊接例如桨叶或叶片的所有区域。此外,其他燃烧部件也可以使用所提出的延性焊接填料进行焊接。
虽然已经以示例性形式公开了本公开的实施方案,但是对于本领域技术人员来说显而易见的是,在不脱离本发明及其等同物的精神和范围的情况下,可以在其中进行许多修改、添加和删除,如下在以下权利要求中阐述。
Claims (5)
1.延性焊接填料材料,其包含(SieWeld C):
14.6–15.6重量%铬;
10.4–11.4重量%钴;
4.6–5.0重量%钼;
4.4–5.2重量%钨;
1.4–1.8重量%钽;
3.0–3.7重量%铝;
0.7–1.3重量%钛;
0.14–0.16重量%碳;
0.0425–0.0575重量%锆;
0.7–1.2重量%铪;
至多0.15重量%铁;
至多0.1重量%锰;
至多0.1重量%硅;
至多70ppm重量%镁;
至多0.005重量%硫;
至多0.1重量%钒;
至多0.015重量%硼;和
余量的镍。
2.根据权利要求1所述的延性焊接填料材料,其中所述填料包含14.9-15.2重量%的铬。
3.根据权利要求1所述的延性焊接填料材料,其中所述填料包含4.6-4.9重量%的钼。
4.根据权利要求1所述的延性焊接填料材料,其中所述延性焊接填料包括粉末。
5.根据权利要求1所述的延性焊接填料材料,其中所述延性焊接填料包括线材。
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US17/332231 | 2021-05-27 | ||
US17/332,231 US11794287B2 (en) | 2018-05-01 | 2021-05-27 | Nickel based superalloy weld filler |
PCT/US2022/072311 WO2022251781A2 (en) | 2018-05-01 | 2022-05-13 | A nickel based superalloy weld filler |
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US1361269A (en) | 1920-05-17 | 1920-12-07 | Mattice Royal | Electrode for electric welding |
US2683207A (en) | 1951-07-21 | 1954-07-06 | John A Roebling S Sons Corp | Stranded welding rod |
US2884692A (en) | 1956-07-06 | 1959-05-05 | Ver Deutsche Metallwerke Ag | Method of making a twisted wire welding element |
US4910098A (en) * | 1987-10-16 | 1990-03-20 | Avco Corporation | High temperature metal alloy mixtures for filling holes and repairing damages in superalloy bodies |
US5897801A (en) * | 1997-01-22 | 1999-04-27 | General Electric Company | Welding of nickel-base superalloys having a nil-ductility range |
FR2886182B1 (fr) * | 2005-05-26 | 2009-01-30 | Snecma Services Sa | Poudre de superalliage |
RU2304499C1 (ru) * | 2005-11-10 | 2007-08-20 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" (ФГУП "ВИАМ") | Присадочный материал на основе никеля |
EP1801251B1 (en) * | 2005-12-21 | 2010-10-06 | General Electric Company | Nickel-based superalloy composition |
EP2182084A1 (de) * | 2008-11-04 | 2010-05-05 | Siemens Aktiengesellschaft | Schweisszusatzwerkstoff, Verwendung des Schweisszusatzwserkstoffes und Bauteil |
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EP3086899B2 (en) | 2013-12-24 | 2023-05-31 | Liburdi Engineering Limited | Precipitation strengthened nickel based welding material for fusion welding of superalloys |
US20160167172A1 (en) | 2014-08-26 | 2016-06-16 | Liburdi Engineering Limited | Method of cladding, additive manufacturing and fusion welding of superalloys and materialf or the same |
DE102014220179A1 (de) * | 2014-10-06 | 2016-04-07 | Siemens Aktiengesellschaft | Nickelbasierter Werkstoff mit Platin, Verwendung als Schweißzusatzwerkstoff und Bauteil |
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US9862046B2 (en) * | 2015-12-11 | 2018-01-09 | General Electric Company | Hybrid article, method for forming hybrid article and method for closing aperture |
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