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上海钢铁研究所研制成的高强度、高韧性、高淬透性的钛合金Ti-5Al-4Mo-2Zr-2Sn-1Nb(简称544422三高钛合金),具有高的强度(σ_b=120一16okg/mm~2),高的断裂韧性
Ti-5Al-4Mo-2Zr-2Sn-1Nb (referred to as 544422 three high titanium alloy) with high strength, high toughness and high hardenability developed by Shanghai Institute of Iron and Steel has high strength (σ_b = 120-16kg / mm ~ 2), high fracture toughness