CN114391048A - 用于增材制造的镍基合金、方法和产品 - Google Patents
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Abstract
通过专门地选择元素和调成来说明用于浇铸和用于增材制造的改进的合金。
Description
技术领域
本发明涉及一种镍基合金和一种方法以及一种产品,其中合金或产品在浇铸时和在增材制造流程时具有改进的特性。
背景技术
所描述的产品优选设置用于在流体机械中、优选在燃气轮机的热气路径中使用。
增材制造法例如包括选择性激光熔化(SLM)或激光烧结(SLS)或电子射束熔化(EBM)作为粉末床方法(PBF)。
其他增材方法例如是“定向能量沉积(Directed Energy Deposition)(DED)”方法,尤其激光沉积焊接、电子射束或等离子体粉末焊接、丝焊(Drahtschweiβen)、金属粉末注塑成型,所谓的“片材层压(sheet lamination)”方法,或热喷射方法(VPS LPPS、GDCS)。
用于选择性激光熔化的方法例如从EP 2 601 006 B1中已知。
增材制造方法(英文:“AM”,对于“additive manufacturing”)还已经证明为对于复杂的或细线细工地设计的构件,例如迷宫式结构、冷却机构和/或轻型结构是特别有利的。增材制造尤其通过工艺步骤的特别短的链是有利的,因为构件的制造或生产步骤能够在很大程度上基于对应的CAD数据和对应的生产参数的选择来实现。
在固定式燃气轮机的领域中,存在如下材料要求,所述材料要求通过现有的材料通常无法同时满足。所述要求包括在不同的诸如浇铸、来自粉末床的激光粉末沉积焊接和选择性激光或电子射束熔化的生产工艺下适宜的或有利的抗氧化性和耐腐蚀性,覆层能力或衬底上的覆层的使用寿命,有利的机械特性,如抗蠕变性和耐TMF(“热机械疲劳(thermo-mechanical fatigue)”)性以及在热裂纹或凝固裂纹方面的无裂纹的或少裂纹的可加工性。恰好在增材生产技术中、尤其在基于粉末床的方法(PBF)中,出现部分地大于106K/s的局部非常高的温度梯度,所述温度梯度导致所描述的热裂纹或凝固裂纹。
迄今为止,通常使用未达最佳的合金并且绕开或忍受各个合金的对应的例如结构上的缺点,因为借助于设计和覆层以及对应的维护区间能够解决或忍受对应的问题。
发明内容
本发明的目的是解决上述问题或满足所提及的要求。
所述目的通过根据权利要求1所述的合金以根据权利要求8所述的方法和根据权利要求11所述的产品来实现。
在从属权利要求中列举有利的措施,所述措施能够任意地彼此组合,以便实现其他优点。
合金的特征在于以下方面:
-针对耐腐蚀性的高的铬含量,
-在多方面的生产工艺中通过有针对性地限制元素(Si、Mn、B、Zr)和有针对性地选择元素Hf所引起的适合的可加工性,
-针对抗蠕变性和抗氧化性的适当的Al含量,
-针对抗蠕变性的高的钽含量,
-部分地直至降低0重量%的Co减少和改进地通过铁(Fe)有针对性地替代,
-高的Hf含量改进PtAl的覆层并且在可选的隔热层中增强beta阶段
-所规定的成分实现用于不那么耗费的热处理的大的热处理窗和在热处理期间较少地出现缺陷。
合金具有(以重量%为单位的说明):
碳(C)0.03%-0.13%
铬(Cr)12.5%-16.0%
钼(Mo)1.0%-2.0%
钨(W)2.0%-4.0%
铝(Al)4.0%-5.5%
硼(B)0.0025%-0.015%
锆(Zr)0.0025%-0.015%
钽(Ta)3.0%-7.0%,
尤其4.0%-7.0%,
铁(Fe)3.0%-7.0%
铪(Hf)1.4%-2.2%,
以及
可选地,另外的元素
钴(Co)0.0%-5.0%,
尤其0.0%-4.0%,
更尤其0.0%-3.0%,
铌(Nb)最大1.0%,
尤其0.5%-1.0%,
更尤其0.1%至0.5%,
铼(Re)最大1.0%,
尤其0.5%-1.0%,
更尤其0.1%至0.5%,
硅(Si)最大0.02%,
锰(Mn)最大0.05%,
磷(P)最大0.005%,
硫(S)最大0.001%,
钛(Ti)最大0.2%,
铜(Cu)最大0.01%,
钒(V)最大0.1%,
银(Ag)最大0.0005%,
铅(Pb)最大0.0002%,
硒(Se)最大0.0010%,
氧(O)最大0.0200%,
镓(Ga)最大0.0030%,
铋(Bi)最大0.0010%,
氮(N)最大0.0050%,
镁(Mg)最大0.0070%,
钇(Y)最大0.02%,
铈(Ce)最大0.02%。
当前描述的合金的技术优点涉及如下:
·燃气轮机构件的生产,所述燃气轮机构件经由不同的生产流程可以是少裂纹的或无裂纹的,尤其经由铸造技术、激光粉末沉积焊接和选择性粉末床熔化方法;
·具有所描述的构件或所描述的合金的燃气轮机的效率提高,和AM设计;
·通过小的钴份额的成本降低;
·使合金元素Si、B、Zr、Hf适应于工艺条件,以及将Al、Fe、Ta、Hf匹配于产品的机械和热物理的要求,尤其在其抗蠕变性、耐TMF性、耐腐蚀性和抗氧化性方面的要求;
·生产具有新的、成本高效的合金的高价值的燃气轮机构件,使得可以满足将来的产品要求/构件要求并且对燃气轮机的效率提高做出贡献。
一些但不受限的实例是:
C | Cr | Mo | A1 | Hf | Co | Ta | Fe | |
1 | 0.04 | 12.5 | 1.2 | 4.1 | 1.4 | 0 | 3.1 | 7.0 |
2 | 0.06 | 13.1 | 1.6 | 4.6 | 1.7 | 1 | 3.5 | 7.0 |
3 | 0.1 | 14.0 | 1.8 | 5.2 | 1.9 | 2 | 4.7 | 7.0 |
4 | 0.12 | 15.5 | 2.0 | 5.5 | 2.2 | 3 | 5.1 | 7.0 |
5 | 0.04 | 12.5 | 1.2 | 4.1 | 1.4 | 0 | 5.5 | 7.0 |
6 | 0.06 | 13.1 | 1.6 | 4.6 | 1.7 | 1 | 6.1 | 7.0 |
7 | 0.1 | 14.0 | 1.8 | 5.2 | 1.9 | 2 | 6.6 | 7.0 |
8 | 0.12 | 15.5 | 2.0 | 5.5 | 2.2 | 3 | 7.0 | 7.0 |
9 | 0.04 | 12.5 | 1.2 | 4.1 | 1.4 | 0 | 3.1 | 6.4 |
10 | 0.06 | 13.1 | 1.6 | 4.6 | 1.7 | 1 | 3.5 | 5.8 |
11 | 0.1 | 14.0 | 1.8 | 5.2 | 1.9 | 2 | 4.7 | 4.9 |
12 | 0.12 | 15.5 | 2.0 | 5.5 | 2.2 | 3 | 5.1 | 4.0 |
13 | 0.04 | 12.5 | 1.2 | 4.1 | 1.4 | 0 | 5.5 | 6.4 |
14 | 0.06 | 13.1 | 1.6 | 4.6 | 1.7 | 1 | 6.1 | 5.8 |
15 | 0.1 | 14.0 | 1.8 | 5.2 | 1.9 | 2 | 6.6 | 4.9 |
16 | 0.12 | 15.5 | 2.0 | 5.5 | 2.2 | 3 | 7.0 | 4.0 |
17 | 0.04 | 12.5 | 1.2 | 4.1 | 1.4 | 0 | 3.1 | 6.4 |
18 | 0.06 | 13.1 | 1.6 | 4.6 | 1.7 | 1 | 3.5 | 5.8 |
19 | 0.1 | 14.0 | 1.8 | 5.2 | 1.9 | 2 | 4.7 | 4.9 |
20 | 0.12 | 15.5 | 2.0 | 5.5 | 2.2 | 3 | 5.1 | 4.0 |
21 | 0.04 | 12.5 | 1.2 | 4.1 | 1.4 | 0 | 5.5 | 6.4 |
22 | 0.06 | 13.1 | 1.6 | 4.6 | 1.7 | 1 | 6.1 | 5.8 |
23 | 0.1 | 14.0 | 1.8 | 5.2 | 1.9 | 2 | 6.6 | 4.9 |
24 | 0.12 | 15.5 | 2.0 | 5.5 | 2.2 | 3 | 7.0 | 4.0 |
对于未列出的合金元素W、C、B、Zr等的值对应于根据以上列表的值。
具有钴的优点通过至少0.5%,尤其0.5%至4.0%,更尤其0.5%至3.0%的钴(Co)来实现。
其他优点通过合金中的至少0.5%,尤其0.5%至2.0%,更尤其0.5%至1.0%的钴(Co)来实现。
具有钽的优点通过至少3.0至5.0%,尤其4.0%至5.0%,更尤其4.5%的钽(Ta)来实现。
其他优点通过合金中的至少5.1至7.0%,尤其6.0%至7.0%,更尤其6.5%的钽(Ta)来实现。
具有铁(Fe)的优点通过至少3.0至5.0%,尤其4.0%至5.0%,更尤其4.5%来实现。
其他优点通过合金中的至少5.1至7.0%,尤其6.0%至7.0%,更尤其6.5%的铁(Fe)来实现。
具有所描述的合金的产品优选是在流体机械、例如燃气轮机的热气路径中使用的构件。尤其地,构件能够表示转子叶片或导向叶片、区段或环形区段、燃烧器部件或燃烧器尖端、边框、屏蔽部、隔热屏、喷嘴、密封件、过滤器、通入部或喷枪、谐振器、冲头或旋流器或对应的过渡部、插入件或对应的改装件。
Claims (11)
1.一种镍基超合金,
所述镍基超合金至少具有,
尤其由如下构成(以重量%为单位):
碳(C)0.03%-0.13%,
铬(Cr)12.5%-16.0%,
钼(Mo)1.0%-2.0%,
钨(W)2.0%-4.0%,
铝(Al)4.0%-5.5%,
硼(B)0.0025%-0.015%,
锆(Zr)0.0025%-0.015%,
钽(Ta)3.0%-7.0%,
尤其4.0%-7.0%,
铁(Fe)3.0%-7.0%
铪(Hf)1.4%-2.2%,
以及
可选地,另外的元素,
钴(Co)0.0%-5.0%,
尤其0.0%-4.0%,
更尤其0.0%-3.0%,
铌(Nb)最大1.0%,
尤其0.5%-1.0%,
更尤其0.1%-0.5%,
铼(Re)最大1.0%,
尤其0.5%-1.0%,
更尤其0.1%至0.5%,
硅(Si)最大0.02%,
锰(Mn)最大0.05%,
磷(P)最大0.005%,
硫(S)最大0.001%,
钛(Ti)最大0.2%,
铜(Cu)最大0.01%,
钒(V)最大0.1%,
银(Ag)最大0.0005%,
铅(Pb)最大0.0002%,
硒(Se)最大0.0010%,
氧(O)最大0.0200%,
镓(Ga)最大0.0030%,
铋(Bi)最大0.0010%,
氮(N)最大0.0050%,
镁(Mg)最大0.0070%,
钇(Y)最大0.02%,
铈(Ce)最大0.02%。
2.根据权利要求1所述的合金,
所述合金具有至少0.5%的钴(Co),
尤其0.5%至4.0%,
更尤其0.5%至3.0%。
3.根据权利要求1所述的合金,
所述合金具有至少0.5%的钴(Co),
尤其0.5%至2.0%,
更尤其0.5%至1.0%。
4.根据权利要求1,2或3中的一项或多项所述的合金,
所述合金具有至少3.0至5.0%的钽(Ta),
尤其4.0%至5.0%,
更尤其4.5%。
5.根据权利要求1,2或3中的一项或多项所述的合金,
所述合金具有至少5.1至7.0%的钽(Ta),
尤其6.0%至7.0%,
更尤其6.5%。
6.根据权利要求1,2,3,4或5中的一项或多项所述的合金,
所述合金具有至少3.0至5.0%的铁(Fe),
尤其4.0%至5.0%,
更尤其4.5%。
7.根据权利要求1,2,3,4或5中的一项或多项所述的合金,
所述合金具有至少5.1至7.0%的铁(Fe),
尤其6.0%至7.0%,
更尤其6.5%。
8.一种用于制造或维修构件的方法,
其中使用根据权利要求1至7中的一项或多项所述的合金。
9.根据权利要求8所述的方法,
其中使用粉末床方法,
尤其通过激光射束或电子射束的选择性熔化(SLM)或选择性烧结(SLS)。
10.根据权利要求8所述的方法,
其中使用粉末沉积焊接,
尤其激光粉末沉积焊接。
11.一种产品,
所述产品具有根据权利要求1至7中的一项或多项所述的合金或根据权利要求8,9或10制造。
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DE102019213990.6A DE102019213990A1 (de) | 2019-09-13 | 2019-09-13 | Nickelbasislegierung für additive Fertigung, Verfahren und Produkt |
DE102019213990.6 | 2019-09-13 | ||
PCT/EP2020/074479 WO2021047979A1 (de) | 2019-09-13 | 2020-09-02 | Nickelbasislegierung für additive fertigung, verfahren und produkt |
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JPH0533092A (ja) * | 1991-03-27 | 1993-02-09 | Sumitomo Metal Ind Ltd | ニツケル基耐熱合金 |
CN103702793A (zh) * | 2011-07-12 | 2014-04-02 | 西门子公司 | 镍基的合金、应用和方法 |
CN104379786A (zh) * | 2012-06-07 | 2015-02-25 | 新日铁住金株式会社 | Ni基合金 |
CN107109593A (zh) * | 2014-12-17 | 2017-08-29 | 尤迪霍尔姆斯有限责任公司 | 耐磨合金 |
CN109385589A (zh) * | 2017-08-10 | 2019-02-26 | 三菱日立电力系统株式会社 | Ni基合金部件的制备方法 |
JP2019112687A (ja) * | 2017-12-25 | 2019-07-11 | 日本製鉄株式会社 | Ni基耐熱合金 |
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EP2415552A1 (en) | 2010-08-05 | 2012-02-08 | Siemens Aktiengesellschaft | A method for manufacturing a component by selective laser melting |
JP6499546B2 (ja) * | 2015-08-12 | 2019-04-10 | 山陽特殊製鋼株式会社 | 積層造形用Ni基超合金粉末 |
-
2019
- 2019-09-13 DE DE102019213990.6A patent/DE102019213990A1/de not_active Withdrawn
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2020
- 2020-09-02 EP EP20771479.1A patent/EP3999341A1/de active Pending
- 2020-09-02 WO PCT/EP2020/074479 patent/WO2021047979A1/de unknown
- 2020-09-02 CN CN202080063953.6A patent/CN114391048A/zh active Pending
- 2020-09-02 US US17/640,683 patent/US20220341003A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0533092A (ja) * | 1991-03-27 | 1993-02-09 | Sumitomo Metal Ind Ltd | ニツケル基耐熱合金 |
CN103702793A (zh) * | 2011-07-12 | 2014-04-02 | 西门子公司 | 镍基的合金、应用和方法 |
CN104379786A (zh) * | 2012-06-07 | 2015-02-25 | 新日铁住金株式会社 | Ni基合金 |
CN107109593A (zh) * | 2014-12-17 | 2017-08-29 | 尤迪霍尔姆斯有限责任公司 | 耐磨合金 |
CN109385589A (zh) * | 2017-08-10 | 2019-02-26 | 三菱日立电力系统株式会社 | Ni基合金部件的制备方法 |
JP2019112687A (ja) * | 2017-12-25 | 2019-07-11 | 日本製鉄株式会社 | Ni基耐熱合金 |
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DE102019213990A1 (de) | 2021-03-18 |
EP3999341A1 (de) | 2022-05-25 |
WO2021047979A1 (de) | 2021-03-18 |
US20220341003A1 (en) | 2022-10-27 |
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