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发明公开
CN108441707A 一种高强度含钨系镍基高温合金材料及其制备方法和应用 有权

一种高强度含钨系镍基高温合金材料及其制备方法和应用
摘要：
本发明提供了一种高强度含钨系镍基高温合金材料及其制备方法和应用，所述材料按重量百分比计，包括以下元素组成：C0.07～0.09％、Cr 17.15～19.35％、Mo 2.95～3.25％、Co 6.18～7.28％、W 6.10～6.30％、Al 1.70～1.80％、Nb 0.75～1.05％、Fe 14.7～16.3％、以及余量为Ni和不可避免的杂质；所述杂质包括：P≤0.002％、S≤0.002％、N≤0.002％、Cu≤0.05％。本发明提供的上述高温合金材料具备优异的高温力学强度和高温持久性能，能够作为汽轮机发动机叶片钢的材料，具有很好的高温强度性能。
摘要（英）：

The invention provides a high-strength tungsten-containing nickel-based high-temperature alloy material and a preparation method and application thereof. The alloy material comprises the following elements including, by weight, 0.07%-0.09% of C, 17.15%-19.35% of Cr, 2.95%-3.25% of Mo, 6.18%-7.28% of Co, 6.10%-6.30% of W, 1.70%-1.80% of Al, 0.75%-1.05% of Nb, 14.7%/-16.3% of Fe, and the balance Niand inevitable impurities; and the impurities comprise the following components including, by weight, less than or equal to 0.002% of P, less than or equal to 0.002% of S, less than or equal to 0.002%of N, and less than or equal to 0.05% of Cu. The high-temperature alloy material has the excellent high-temperature mechanical strength and the excellent high-temperature endurance performance, can be used as a material of turbine engine blade steel and has the good high-temperature strength performance.

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