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A technology of nickel-based superalloys and superalloys, applied in the field of nickel-based alloys and nickel-based superalloys, can solve problems that cannot meet the needs of scientific and technological progress, and achieve the effects of enhanced thermal corrosion resistance, increased durable temperature, and improved plasticity
Inactive Publication Date: 2016-01-13
无棣向上机械设计服务有限公司
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Abstract
Description
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Problems solved by technology
With the development of technology, higher and higher requirements are put forward for the alloy of the combustion chamber wall. Traditional alloys and corresponding alternative alloys can no longer meet the needs of technological progress. Therefore, it is necessary to develop new superalloy materials
Method used
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Embodiment 1
[0017] A nickel-based high-temperature alloy, the high-temperature alloy is composed of the following components in weight percentage: Cr25.5%, Co4.0%, W2.5%, Mo1.0%, Al0.2%, Ti2.6% , Nb3.5-6.3%, Mn1.0%, Ta2.0%, B0.02%, Co0.5%, Ru1.4%, Hf0.1%, Re0.01%, C0.1%, Si0. 15%, P≤0.005%, S0.005%, Ni balance.
Embodiment 2
[0019] A nickel-based high-temperature alloy, the high-temperature alloy is composed of the following components in weight percentage: Cr28.5%, Co6.0%, W5.5%, Mo3.0%, Al1.0%, Ti4.2% , Nb6.3%, Mn2.0%, Ta4.0%, B0.08%, Co1.5%, Ru3.8%, Hf1.2%, Re0.8%, C0.01%, Si0.015% , P0.0005%, S0.0005%, Ni balance.
Embodiment 3
[0021] A nickel-based high-temperature alloy, the high-temperature alloy is composed of the following components in weight percentage: Cr26.5%, Co4.5%, W3.5%, Mo1.5%, Al0.4%, Ti3.0% , Nb4.5%, Mn1.5%, Ta2.5%, B0.03%, Co0.8-1.2%, Ru1.8%, Hf0.5%, Re0.02%, C0.08%, Si0. 10%, P0.001%, S0.002%, Ni balance.
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Abstract
The invention discloses nickel-base superalloy. The nickel-base superalloy is composed of, by weight, 25.5%-28.5% of Cr, 4.0%-6.0% of Co, 2.5%-5.5% of W, 1.0%-3.0% of Mo, 0.2%-1.0% of Al, 2.6%-4.2% of Ti, 3.5%-6.3% of Nb, 1.0%-2.0% of Mn, 2.0%-4.0% of Ta, 0.02%-0.08% of B, 0.5%-1.5% of Co, 1.4%-3.8% of Ru, 0.1%-1.2% of Hf, 0.01%-0.8% of Re, 0.1% of C or less, 0.15% of Si or less, 0.005% of P or less, 0.005% of S or less and the balance Ni.
Description
technical field [0001] The invention relates to a nickel-based alloy, in particular to a nickel-based superalloy. It belongs to the technical field of metal smelting. Background technique [0002] More than 50% of the mass of modern gas turbine engines use superalloys, and the amount of nickel-based superalloys accounts for about 40% of the engine materials. Nickel-based alloys have excellent comprehensive properties at medium and high temperatures, are suitable for working at high temperatures for a long time, and are resistant to corrosion and abrasion. They are the most complex and widely used in high-temperature parts. Many metallurgical alloys are used in all superalloys. Alloys of most interest to workers. Nickel-based superalloys are mainly used in structural components working at 950-1050°C in the aerospace field, such as working blades, turbine disks, and combustion chambers of aero-engines. [0003] Nickel-based superalloy is a superalloy with nickel as the matr...
Claims
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Application Information
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