阅读说明：本技术 一种优异高温拉伸性能的γ′相强化钴基高温合金 (Gamma' phase reinforced cobalt-based high-temperature alloy with excellent high-temperature tensile property ) 是由 王磊 刘杨 王宏伟 宋秀 于 2021-07-21 设计创作，主要内容包括：本发明公开了一种优异高温拉伸性能的γ’相强化钴基高温合金,所属钴基高温合金领域。其成分质量百分含量为：C 0.02-0.1,Cr 5-9,Ni 24-28,Mo 2-6,Ti 1-3,Al 2.5-5,B 0.005-0.01,Ta 4-8,W 2-6,Zr 0.05-0.2,Co为余量。本发明的一种优异高温拉伸性能的γ’相强化钴基高温合金的密度在传统Co-Al-W三元体系合金中有着明显的优势。本发明合金在800℃-900℃温度区间内有着高于先进多晶镍基高温合金Mar-M247的高温强度及一定的高温塑性,且在室温至800℃温度区间内本发明合金无明显屈服异常及中温脆性,保证了合金在使用过程中的安全性及稳定性。此外,本发明的合金在900℃以下200小时以内的抗高温氧化能力属于完全抗氧化级。最后,本发明的合金适用于航空发动机和工业燃气轮机燃气轮机涡轮叶片合金材料。(The invention discloses a gamma' phase reinforced cobalt-based high-temperature alloy with excellent high-temperature tensile property, belonging to the field of cobalt-based high-temperature alloys. The weight percentage of the components is as follows: 0.02-0.1 part of C, 5-9 parts of Cr, 24-28 parts of Ni, 2-6 parts of Mo, 1-3 parts of Ti, 2.5-5 parts of Al, 0.005-0.01 part of B, 4-8 parts of Ta, 2-6 parts of W, 0.05-0.2 part of Zr and the balance of Co. The density of the gamma' phase strengthened cobalt-based high-temperature alloy with excellent high-temperature tensile property has obvious advantages in the traditional Co-Al-W ternary system alloy. The alloy has high-temperature strength and certain high-temperature plasticity higher than that of the advanced polycrystalline nickel-based high-temperature alloy Mar-M247 at the temperature of 800-900 ℃, has no obvious yield abnormality and medium-temperature brittleness at the temperature of room temperature-800 ℃, and ensures the safety and stability of the alloy in the using process. In addition, the high-temperature oxidation resistance of the alloy of the invention within 200 hours at the temperature of 900 ℃ is of a complete oxidation resistance level. Finally, the alloy of the invention is suitable for turbine blade alloy materials of aeroengines and industrial gas turbines.)