摘要:
A thermal barrier coating material, containing a metal binding layer laminated on a base material and ceramic layer laminated on the metal binding layer, the ceramic layer comprising partially stabilized ZrO2 which is partially stabilized by additives of Dy2O3 and Yb2O3.
摘要:
A thermal barrier coating material, containing a metal binding layer laminated on a base material and a ceramic layer laminated on the metal binding layer, the ceramic layer comprising partially stabilized ZrO2 which is partially stabilized by additives of Dy2O3 and Yb2O3.
摘要:
A thermal barrier coating material can prevent spall-off from occurring during operation at high temperatures and has a high heat insulating effect. A turbine parts and a gas turbine that are protected with the thermal barrier coating material are also provided. The thermal barrier coating material of the present invention comprises a ceramic layer 23, which is formed on a high temperature heat-resistant alloy base 21 to protect the base 21 from high temperatures, the ceramic layer 23 being applied via a bonding coat layer 22 provided as a metal bonding layer and is made of ZrO2 with Er2O3 added thereto as a stabilizing agent. The turbine parts and the gas turbine of the present invention are coated with the thermal barrier coating material on the surfaces thereof.
摘要翻译:热障涂层材料可以防止在高温运行时发生剥落,并且具有高隔热效果。 还提供了用热障涂层材料保护的涡轮部件和燃气轮机。 本发明的隔热涂料包括陶瓷层23,该陶瓷层23形成在高温耐热合金基体21上,以保护基底21免受高温的影响,陶瓷层23通过提供的接合涂层22施加 作为金属结合层,并且由添加有Er 2 O 3 N 3的ZrO 2 2作为稳定剂制成。 本发明的涡轮机部件和燃气轮机在其表面上涂覆有热障涂层材料。
摘要:
A thermal barrier coating enabling to prevent peeling of layer in a high temperature use and still having a high thermal barrier effect, a turbine part coated by this thermal barrier coating and a gas turbine comprising this turbine part are provided. The thermal barrier coating comprises a base material 21 of high temperature heat resistant alloy and a ceramics layer 23 formed on the base material 21. The ceramics layer 23 comprises ZrO2 added with Yb2O3 as stabilizer and is laminated on the base material via a bond coat layer 22 laminated as a metallic bond layer. A plurality of cracks 23A are preferably introduced in the ceramics layer 23. The turbine part is constructed having its surface coated with the above thermal barrier coating.
摘要翻译:提供能够防止在高温使用中并且仍然具有高热障效应的层的剥离的热障涂层,由该热障涂层涂覆的涡轮部分和包括该涡轮部的燃气轮机。 隔热涂层包括高温耐热合金的基材21和形成在基材21上的陶瓷层23。 陶瓷层23由添加了Yb 2 O 3 O 3的稳定剂构成的ZrO 2 2层叠在基材上,层叠有粘接层22 作为金属结合层。 在陶瓷层23中优选引入多个裂纹23A。 涡轮机部件被构造成具有涂覆有上述热障涂层的表面。
摘要:
The present invention relates to a method of repairing a Ni-based alloy part having an undercoat layer and a topcoat layer stacked on a Ni-based alloy base when the topcoat layer is damaged, comprising the steps of removing a peeled-off portion of the damaged topcoat layer and a denatured portion of the undercoat layer corresponding to the peeled-off portion, forming another undercoat layer by applying spraying to an opening portion of the undercoat layer in the atmosphere at a spray particle speed of 300 m/s or more and a base-material temperature of 300° C. or less, and forming another topcoat layer in the peeled-off portion of the topcoat layer
摘要:
A thermal barrier coating enabling to prevent peeling of layer in a high temperature use and still having a high thermal barrier effect, a turbine part coated by this thermal barrier coating and a gas turbine comprising this turbine part are provided. The thermal barrier coating comprises a base material 21 of high temperature heat resistant alloy and a ceramics layer 23 formed on the base material 21. The ceramics layer 23 comprises ZrO2 added with Yb2O3 as stabilizer and is laminated on the base material via a bond coat layer 22 laminated as a metallic bond layer. A plurality of cracks 23A are preferably introduced in the ceramics layer 23. The turbine part is constructed having its surface coated with the above thermal barrier coating.
摘要翻译:提供能够防止在高温使用中并且仍然具有高热障效应的层的剥离的热障涂层,由该热障涂层涂覆的涡轮部分和包括该涡轮部的燃气轮机。 隔热涂层包括高温耐热合金的基材21和形成在基材21上的陶瓷层23。 陶瓷层23包含添加有Yb 2 O 3 O 3的稳定剂的ZrO 2,并且通过层压的粘合涂层22层压在基材上 作为金属结合层。 在陶瓷层23中优选引入多个裂纹23A。 涡轮机部件被构造成具有涂覆有上述热障涂层的表面。
摘要:
A high temperature corrosion resistant alloy composition comprising, in addition to Ni, 0.1 to 12% by weight of Co, 10 to 30% by weight of Cr, 4 to 15% by weight of Al, 0.1 to 5% by weight of Y, and 0.5 to 10% by weight of Re. The high temperature corrosion resistant alloy composition has an excellent oxidation resistance and ductility and is suitable for use in a bonding layer of a thermal barrier coating material.
摘要:
A heat-resistant nickel-based alloy having excellent welding properties, said nickel-based alloy consisting essentially of, in terms of wt. %, 0.05 to 0.25% of C, 18 to 25% of Cr, 15 to 25% of Co, at least one selected from the group consisting of up to 3.5% of Mo and 5 to 10% of W, with W+1/2Mo being 5 to 10%, 1.0 to 5.0% of Ti, 1.0 to 4.0% of Al, 0.5 to 4.5% of Ta, 0.2 to 3.0% of Nb, 0.005 to 0.10% of Zr, 0.001 to 0.01% of B and the balance being Ni and unavoidable impurities, wherein the (Al+Ti) content and the (W+1/2Mo) content are within the range surrounded by the lines connecting points A (Al+Ti: 5%, W+1/2Mo: 10%), B (Al+Ti: 5%, W+1/2Mo: 5%), C (Al+Ti: 7%, W+1/2Mo: 5%), and D (Al+Ti: 7%, W+1/2Mo: 10%) excluding the line A-B in FIG. 1. Another alloy has substantially the same composition as described above except that the Cr content is 10 to 20% and the (Al+Ti) content and the (W+1/2Mo) content are within the range surrounded by the lines connecting points A, B, E (Al+Ti: 4%, W+1/2Mo: 5%), F (Al+Ti: 4%, W+1/2Mo: 0.5%), G (Al+Ti: 7%, W+1/2Mo: 0.5%) and D, excluding the line A-B-E, in FIG. 1.
摘要翻译:一种具有优异焊接性能的耐热镍基合金,所述镍基合金基本上以重量计。 ,0.05〜0.25%的C,18〜25%的Cr,15〜25%的Co,至少1种选自高达3.5%的Mo和5〜10%的W,W + E,fra 1/2 + EE Mo为5〜10%,Ti为1.0〜5.0%,Al为1.0〜4.0%,Ta为0.5〜4.5%,Nb为0.2〜3.0%,Zr为0.005〜0.10% 0.001〜0.01%的B,余量为Ni和不可避免的杂质,其中(Al + Ti)含量和(W ++ E,fra 1/2 + EE Mo)含量在连接点 A(Al + Ti:5%,W ++ E,fra 1/2 + EE Mo:10%),B(Al + Ti:5%,W ++ E,fra 1/2 + EE Mo: ),C(Al + Ti:7%,W ++ E,fra 1/2 + EE Mo:5%)和D(Al + Ti:7%,W ++ E, :10%),不包括图1中的线AB。 另一种合金具有与上述基本相同的组成,不同之处在于Cr含量为10〜20%,(Al + Ti)含量和(W ++ E,fra 1/2 + EE Mo)含量在 连接点A,B,E(Al + Ti:4%,W ++ E,fra 1/2 + EE Mo:5%),F(Al + Ti:4%,W ++ E ,1/2 + EE Mo:0.5%),G(Al + Ti:7%,W ++ E,fra 1/2 + EE Mo:0.5%)和D,不包括线ABE。 1。
摘要:
The main body of an alloy for a gas-turbine blade has an outer surface which has concave portions (10) except around through holes (4) allowing a cooling fluid to pass. The concave portions (10) hold a heat-shielding coating made of an inner bonding layer and an outer ceramic layer.
摘要:
An Ni-base heat resistant alloy, has a composition which contains, by weight, Cr: from 12.0 to 14.3%, Co: from 8.5 to 11.0%, Mo: from 1.0 to 3.5%, W: from 3.5 to 6.2%, Ta: from 3.0 to 5.5%, Al: from 3.5 to 4.5%, Ti: from 2.0 to 3.2%, C: from 0.04 to 0.12%, B: from 0.005 to 0.05%, and the balance substantially Ni and inevitable impurities. A large-size casting, as well as a large-size turbine blade, having a columnar crystalline Ni-base heat-resistant alloy formed from the Ni-base heat-resistant alloy, have sound cast surfaces and a sound internal structure.