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Manufacturing method of novel 2% Ru nickel-based single crystal superalloy

A nickel-based single crystal, high-temperature alloy technology, applied in the field of alloys, to achieve good creep performance and increase the content of insoluble elements

Inactive Publication Date: 2020-09-11
YINGKOU INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are few reports on composition studies of Ru-containing / Re-free alloys

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  • Manufacturing method of novel 2% Ru nickel-based single crystal superalloy
  • Manufacturing method of novel 2% Ru nickel-based single crystal superalloy
  • Manufacturing method of novel 2% Ru nickel-based single crystal superalloy

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0021] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred mechanism or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

[0022] Such as Fig...

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Abstract

The invention discloses a manufacturing method of a novel 2% Ru nickel-based single crystal high-temperature alloy, and belongs to the technical field of alloys. The components of the alloy comprise,by mass, Ni, 6% of Al, 7.5% of Ta, 5.8% of Cr, 6% of Co, 6% of Mo, 6% of W and 2% of Ru, the Nv of the alloy is 2.228, and the Md value of the alloy is 0.990. The Ru element with the content of 2% isadded on the basis of no Re / Ru alloy, so the content of insoluble elements is increased, harmful phases are prevented from being separated out under the high-temperature condition, and the alloy has good creep property under the medium-temperature / high-stress condition and the high-temperature / low-stress condition.

Description

technical field [0001] The invention belongs to the technical field of alloys, and in particular relates to a preparation method of a 2% Ru novel nickel-based single-crystal superalloy. Background technique [0002] Nickel-based single crystal alloys have gradually developed with the continuous improvement of aero-engine requirements, until now they have developed to the fifth generation of nickel-based single crystal alloys, and the temperature bearing capacity of the alloys is close to the limit of the material itself. It is already difficult to obtain performance improvement through the improvement of the material's own performance. On this basis, some new high-temperature structural materials have emerged, such as: intermetallic compounds, refractory metal matrix composites, high-temperature ceramic materials, etc., but each material has its own shortcomings that are difficult to overcome. Therefore, for a long period of time, nickel-based single crystal alloys are stil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B11/00C30B29/52C30B33/02C22C19/05C22F1/10
CPCC22C19/057C22F1/10C30B11/00C30B29/52C30B33/02
Inventor 梁爽刘智鑫李广宇邵华阳孙雪娇
Owner YINGKOU INST OF TECH