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Nickel-based alloy with high wear resistance and manufacturing method thereof

A manufacturing method and technology of nickel-based alloys, applied in the field of alloys and nickel-based alloys, can solve the problems of low yield of zirconium elements, reduce the performance and use requirements of GH80A, and achieve the effect of retaining comprehensive properties and eliminating stress effects

Active Publication Date: 2018-02-16
SHANGHAI YIHE ALLOY MATERIAL TECH CO LTD
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Problems solved by technology

However, the yield of zirconium is always very low, which leads to the interaction between many other metal elements in the GH80A alloy, resulting in stress, which reduces the performance and use requirements of GH80A

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  • Nickel-based alloy with high wear resistance and manufacturing method thereof

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Embodiment Construction

[0017] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.

[0018] The invention provides a nickel-based alloy with high wear resistance, wherein the alloy comprises: 1%-1.8% of aluminum, 1.8%-2.7% of titanium, cobalt≤2.0%, iron ≤1.5%, chromium is 18%-21%, manganese ≤0.4%, and the balance is nickel and other unavoidable impurity elements in the smelting process.

[0019] The present invention also provides a method for manufacturing a nickel-based alloy with high wear resistance, wherein the method mainly includes the following steps:

[0020] (1) Bake the raw material nickel metal, cobalt metal, chromium metal, pure iron and auxiliary materials aluminum block, titanium metal, manganese metal, zirconium metal, reducing agent aluminum powder, aluminum lime, and bake at a high temperature of 300 ° C for 3 hours;

[0021] (2) Putting the raw material nickel metal, cob...

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Abstract

The invention relates to a nickel based alloy with high wear resistance. The nickel based alloy comprises, by mass, 1 to 1.8% of aluminum, 1.8 to 2.7% of titanium, 0 to 2.0% of cobalt, 0 to 1.5% of iron, 18 to 21% of chromium, 0 to 0.4% of manganese, and the balance nickel and impurity elements which are inevitable in smelting process. The invention also relates to a preparation method of the nickel based alloy with high wear resistance. According to the preparation method of the nickel based alloy with high wear resistance, a medium frequency induction furnace is adopted for smelting; metal zirconium is delivered into a steel ladle, and is subjected to mixed rushing with molten steel obtained via smelting, zirconium element in the nickel based alloy is increased and maintained greatly; stress generated because of the element kind and high content in alloy aging process is eliminated by the compatibility of zirconium element; and the GH80A comprehensive performance is maintained as far as possible.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to the technical field of nickel-based alloys, in particular to a nickel-based alloy with high wear resistance and a manufacturing method thereof. Background technique [0002] The superalloy GH80A has many types and large content of metal elements, and each metal has its own characteristics in the alloy, and various characteristics interact to generate stress. The original excellent properties of GH80A alloy are reduced. Does not bring the alloy to its ideal working or serviceable condition. In general, the alloy has structural stability and reliability. Metal zirconium (Zr) itself has the characteristics of corrosion resistance, high hardness and high strength. Adding zirconium element in smelting can deoxidize, take oxygen, purify and refine grains, and at the same time, take advantage of the compatibility of zirconium element. During the alloy aging process, the stress effect ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C19/05C22C1/02C22C1/06
CPCC22C1/023C22C1/06C22C19/058
Inventor 唐辉
Owner SHANGHAI YIHE ALLOY MATERIAL TECH CO LTD
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