CN112739663A - 基于氧化锆且具有另外的氧化物的陶瓷材料和层体系 - Google Patents

基于氧化锆且具有另外的氧化物的陶瓷材料和层体系 Download PDF

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CN112739663A
CN112739663A CN201980058288.9A CN201980058288A CN112739663A CN 112739663 A CN112739663 A CN 112739663A CN 201980058288 A CN201980058288 A CN 201980058288A CN 112739663 A CN112739663 A CN 112739663A
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阿尔图罗·弗洛勒斯伦特里亚
维尔纳·施塔姆
迪米特里奥斯·佐伊斯
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Siemens Energy Global GmbH and Co KG
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Abstract

通过有针对性选择将氧化物添加给氧化锆来提供陶瓷材料，尤其用于层体系的应用，所述层体系具有高的抗烧结性、高的延展公差和小的导热能力。

Description

基于氧化锆且具有另外的氧化物的陶瓷材料和层体系
技术领域
本发明涉及一种陶瓷材料，这尤其能够用于陶瓷层。氧化锆基的陶瓷材料的应用从由实心材料构成的陶瓷热屏蔽部或陶瓷保护层在涡轮桨叶或高温部件上的应用中已知。在此重要的是，提供高的烧结阻力、相位稳定性、高的断裂韧性以及高的延展公差。
发明内容
因此，本发明的目的是改进现存的材料体系。
所述目的通过根据权利要求1的陶瓷材料实现。
在另外的从属权利要求中列举另外的优点，所述另外的从属权利要求能够彼此任意组合，以便实现另外的优点。
图1、图2示意性示出由陶瓷材料构成的层体系。
提出，使用4mol％至30mol％氧化钇(Y2O3)、氧化铈(CeO2)、氧化钙(CaO)和/或氧化镁(MgO)作为另外的氧化物，和/或，使用2mol％至30mol％氧化铒(Er2O3)和/或氧化镱(Yb2O3)作为一种(多种)基本氧化物。
氧化物的另外的有利份额如下：
2mol％至30mol％基本氧化物，尤其4mol％至30mol％、更尤其6mol％至30mol％，
和/或
4mol％至30mol％另外的氧化物，尤其4mol％至28mol％、更尤其4mol％至26mol％，
或
6mol％至30mol％另外的氧化物，尤其8mol％至30mol％、更尤其10mol％至30mol％，
或
6mol％至28mol％另外的氧化物，尤其6mol％至26mol％、更尤其10mol％至28mol％。
这种陶瓷层尤其具有20μm至1000μm、尤其至2000μm的层厚度，并且能够优选地借助于热喷涂、尤其APS或EB-PVD制造。
陶瓷材料具有高的抗烧结性、高的延展公差和高的断裂韧性以及具有较小的导热能力。
实施例(非穷举的)是：
ZrO2+
-Er2O3
-Yb2O3
-Er2O3+Yb2O3
-CeO2
-CaO
-MgO
-CeO2+CaO
-CeO2+MgO
-CaO+MgO
-Y2O3+CeO2
-Y2O3+CaO
-Y2O3+MgO
-CeO2+CaO+MgO
-Y2O3+CaO+MgO
-Y2O3+CeO2+MgO
-Y2O3+CeO2+CaO
-Y2O3+CeO2+CaO+MgO
-Y2O3+Yb2O3
-Y2O3+Er2O3
-Y2O3+Yb2O3+Er2O3
-CeO2+Yb2O3
-CeO2+Er2O3
-CeO2+Yb2O3+Er2O3
-CaO+Yb2O3
-CaO+Er2O3
-CaO+Yb2O3+Er2O3
-MgO+Yb2O3
-MgO+Er2O3
-MgO+Yb2O3+Er2O3
-Y2O3+CeO2+Yb2O3
-Y2O3+CeO2+Er2O3
-Y2O3+CeO2+Yb2O3+Er2O3
-Y2O3+CaO+Yb2O3
-Y2O3+CaO+Er2O3
-Y2O3+CaO+Yb2O3+Er2O3
-Y2O3+MgO+Yb2O3
-Y2O3+MgO+Er2O3
-Y2O3+MgO+Yb2O3+Er2O3
-Y2O3+CeO2+CaO+Yb2O3
-Y2O3+CeO2+CaO+Er2O3
-Y2O3+CeO2+CaO+Er2O3+Yb2O3
-Y2O3+CeO2+MgO+Yb2O3
-Y2O3+CeO2+MgO+Er2O3
-Y2O3+CeO2+MgO+Yb2O3+Er2O3
-Y2O3+CaO+MgO+Yb2O3
-Y2O3+CaO+MgO+Er2O3
-Y2O3+CaO+MgO+Yb2O3+Er2O3
-Y2O3+CaO+MgO+CeO2+Yb2O3
-Y2O3+CaO+MgO+CeO2+Er2O3
-Y2O3+CaO+MgO+CeO2+Yb2O3+Er2O3
-CeO2+CaO+Yb2O3
-CeO2+CaO+Er2O3
-CeO2+CaO+Yb2O3+Er2O3
-CeO2+MgO+Yb2O3
-CeO2+MgO+Er2O3
-CeO2+MgO+Yb2O3+Er2O3
-CaO+MgO+Y2O3
-CaO+MgO+CaO+Yb2O3
-CaO+MgO+Y2O3+Yb2O3
-CaO+MgO+CeO2+Yb2O3
-CaO+MgO+CeO2+Er2O3
-CaO+MgO+CeO2+Yb2O3+Er2O3。
ZrO2+Y2O3不是本发明的主题(放弃权利要求)。
附图说明
图1示出根据本发明的层体系1。
具体实施方式
层体系1具有基底4。基底4尤其是镍基超级合金或是CMC基底。
在基底4上存在键合层，所述键合层尤其在镍基超级合金的情况下是NiCoCrAlY基的合金或铝化合物-铝化合物层或铂-铝化合物层。
在所述金属的附着力促进剂层上，在覆层期间或在运行期间构成氧化物层(TGO)。
在所述氧化物层(TGO)上或在金属的附着力促进剂层7上，施加有根据陶瓷材料的陶瓷层。
在陶瓷基底4(CMC)的情况下，可选地，对于陶瓷层10而言不需要键合层。
在图2中示出一个变型方案，在所述变型方案中，层体系1'关于陶瓷保护层10'两层地构成。关于基底4和/或键合层7的基底材料，与图1类似。然而，最外部的陶瓷层16在此形成本发明的陶瓷材料。
在所述陶瓷层16下方，出于调整热膨胀系数或调整多孔性的目的而存在陶瓷键合层13。
分段的陶瓷层10、16具有理论密度的90％至96％的密度，尤其具有更尤其的理论密度的尤其92％至95％，使得密度尤其>5.5g/cm3。
在陶瓷层10、16中的竖直的宏观裂纹20具有每毫米至少2个宏观裂纹的线性密度直至20至30宏观裂纹/mm的线性密度。
陶瓷粉末优选地具有10μm至65μm的粒度分布。
在陶瓷层中10、16中的竖直的宏观裂纹20的深度为陶瓷层的厚度的至少75％，尤其地，宏观裂纹20的深度应直至层厚度的至少90％。在说明每毫米的宏观裂纹的密度时仅对所述宏观裂纹计数。

Claims (27)

1.一种陶瓷材料，所述材料
基于氧化锆(ZrO2)
具有氧化镱(Yb2O3)和/或氧化铒(Er2O3)作为一种或多种基本氧化物，和/或
具有至少一种另外的氧化物，
尤其具有至少两种另外的氧化物，选自：氧化钇(Y2O3)、氧化铈(CeO2)，氧化钙(CaO)和/或氧化镁(MgO)，
尤其地，所述陶瓷材料由所述基本氧化物和所述另外的氧化物构成。
2.根据权利要求1所述的陶瓷材料，
所述陶瓷材料具有仅一种或仅两种基本氧化物、
尤其仅一种基本氧化物、
更尤其仅两种基本氧化物。
3.根据权利要求1所述的陶瓷材料，
所述陶瓷材料具有仅一种或仅多种另外的氧化物、
尤其仅一种另外的氧化物、
更尤其仅至少两种另外的氧化物。
4.根据权利要求1所述的陶瓷材料，
所述陶瓷材料具有至少一种基本氧化物和至少一种另外的氧化物、
尤其仅一种基本氧化物和至少一种另外的氧化物。
5.根据权利要求1或4中任一项或两项所述的陶瓷材料，
所述陶瓷材料具有
两种基本氧化物和至少一种另外的氧化物、
尤其两种基本氧化物和仅一种另外的氧化物、
更尤其两种基氧化物和仅两种另外的氧化物。
6.根据权利要求1、3、4或5所述的陶瓷材料，
其中使用氧化钇(Y2O3)作为另外的氧化物，
尤其仅使用氧化钇(Y2O3)作为另外的氧化物。
7.根据权利要求1、2、4、5或6所述的陶瓷材料，其中仅使用氧化镱(Yb2O3)作为基本氧化物。
8.根据权利要求1、2、4、5或6所述的陶瓷材料，其中仅使用氧化铒(Er2O3)作为基本氧化物。
9.根据权利要求1、2、4、5或6所述的陶瓷材料，其中仅使用氧化铒(Er2O3)和氧化镱(Yb2O3)作为基本氧化物。
10.根据权利要求1、3、4、5、6、7、8或9中任一项或多项所述的陶瓷材料，
所述陶瓷材料具有氧化钙(CaO)作为另外的氧化物，
尤其仅具有氧化钙(CaO)作为另外的氧化物。
11.根据权利要求1、3、4、5、6、7、8、9或10所述的陶瓷材料，
其中使用氧化铈(CeO2)作为另外的氧化物，
尤其仅使用氧化铈(CeO2)作为另外的氧化物。
12.根据权利要求1、3、4、5、6、7、8、9，10或11中任一项或多项所述的陶瓷材料，
其中使用氧化镁(MgO)作为另外的氧化物，
尤其仅使用氧化镁作为另外的氧化物。
13.根据权利要求1、3、4、5、6、7、8或9所述的陶瓷材料，
其中使用氧化钙(CaO)和氧化铈(CeO2)作为另外的氧化物，
尤其仅使用氧化钙(CaO)和氧化铈(CeO2)作为另外的氧化物。
14.根据权利要求1、3、4、5、6、7、8或9所述的陶瓷材料，
其中使用氧化钙(CaO)和氧化镁(MgO)作为另外的氧化物，
尤其仅使用氧化钙(CaO)和氧化镁(MgO)作为另外的氧化物。
15.根据权利要求1、3、4、5、6、7、8或9所述的陶瓷材料，
其中使用氧化镁(MgO2)和氧化铈(CeO2)作为另外的氧化物，
尤其仅使用氧化镁(MgO2)和氧化铈(CeO2)作为另外的氧化物。
16.根据权利要求1、3、4、5、6、7、8或9中任一项或多项所述的陶瓷材料，
其中使用氧化镁(MgO)、氧化钙(CaO)和氧化铈(CeO2)作为另外的氧化物，
尤其仅使用氧化镁(MgO)、氧化钙(CaO)和氧化铈(CeO2)作为另外的氧化物。
17.根据权利要求1、3、4、5、6、7、8或9中任一项或多项所述的陶瓷材料，
其中使用氧化钇(Y2O3)、氧化钙(CaO)和氧化铈(CeO2)作为另外的氧化物，
尤其仅使用氧化钇(Y2O3)、氧化钙(CaO)和氧化铈(CeO2)作为另外的氧化物。
18.根据权利要求1至17中任一项或多项所述的陶瓷材料，
所述陶瓷材料具有2mol％至30mol％的基本氧化物，
尤其4mol％至30mol％、
更尤其6mol％至30mol％的基本氧化物。
19.根据权利要求1至18中任一项或多项所述的陶瓷材料，
所述陶瓷材料具有4mol％至30mol％另外的氧化物，
尤其4mol％至28mol％、
更尤其4mol％至26mol％的另外的氧化物。
20.根据权利要求1至18中任一项或多项所述的陶瓷材料，
所述陶瓷材料具有6mol％至30mol％另外的氧化物，
尤其8mol％至30mol％、
更尤其10mol％至30mol％的另外的氧化物。
21.根据权利要求1至18中任一项或多项所述的陶瓷材料，
所述陶瓷材料具有6mol％至28mol％另外的氧化物，
尤其6mol％至26mol％、
更尤其10mol％至28mol％的另外的氧化物。
22.一种粉末，
所述粉末具有根据权利要求1至21中任一项或多项所述的陶瓷材料，
尤其由所述陶瓷材料构成，
所述粉末尤其具有10μm至65μm的粒度分布。
23.一种层体系，
所述层体系具有：基底、尤其金属基底，
所述基底基于镍基的或钴基的超级合金；
键合层、
尤其基于NiCoCrAlY的键合层；
以及基于根据权利要求1至21中任一项或多项所述的陶瓷材料的陶瓷层；
或
所述层体系由根据权利要求22所述的粉末制造。
24.根据权利要求23所述的层体系，
所述层体系具有陶瓷层，陶瓷层的层厚度为20μm至1000μm、
尤其至2000μm，
所述层体系完全尤其借助于热喷涂、尤其借助于APS或EB-PVD制造。
25.根据权利要求23或24中任一项或多项所述的层体系，
所述层体系具有所述陶瓷层的理论密度的90％至96％的密度，
尤其具有所述陶瓷层的理论密度的92％至95％。
26.根据权利要求23、24或25中任一项或多项所述的层体系，
所述层体系具有在所述陶瓷层中每毫米至少2个宏观裂纹的密度，
其中宏观裂纹为所述陶瓷层的厚度的深度的至少75％。
27.根据权利要求23、24、25或26中任一项或多项所述的层体系，
所述层体系具有
在所述陶瓷层中
每毫米
2至60个宏观裂纹、
尤其至少40个宏观裂纹、
更尤其至少50个宏观裂纹的密度，
其中宏观裂纹为所述陶瓷层的厚度的深度的至少75％。
CN201980058288.9A 2018-09-07 2019-08-07 基于氧化锆且具有另外的氧化物的陶瓷材料和层体系 Pending CN112739663A (zh)

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