超高强度钢析出相调控与强化机理研究现状及发展趋势
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张朝磊, 潘晓坤, 高军恒, 吴宏辉, 毛新平
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Research Status and Development Trend of Precipitation Phase Regulation and Strengthening Mechanism in Ultra-High Strength Steel
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ZHANG Chaolei, PAN Xiaokun, GAO Junheng, WU Honghui, MAO Xinping
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表2 典型中高合金超高强钢的化学成分及力学性能[9,24,27~32]
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Table 2 Chemical compositions and mechanical properties of typical medium-high alloy ultra-high strength steels[9,24,27-32]
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Steel type | Steel grade | Mass fraction / % | UTS MPa | YS MPa | Impact energy / J | Ref. |
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| C | Mn | Co | Cr | Ni | Mo | Ti | Other |
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| Secondary hardening | AF1410 | 0.16 | 14.0 | 14.0 | 2.1 | 10.1 | 1.0 | - | - | 1655 | 1520 | 61 | [24] | | ultra-high strength steel | AerMet100 | 0.23 | 13.5 | 13.5 | 3.0 | 11.2 | 1.2 | - | - | 1993 | 1760 | 41 | [9] | | HY180 | 0.10 | 7.5 | 7.5 | 1.8 | 9.5 | 1.0 | - | - | 1413 | 1345 | 85 | [30] | | Maraging steel | 18Ni(250) | - | 8.9 | 8.9 | - | 18.3 | 4.7 | 0.6 | - | 1854 | 1819 | 35 | [31] | | T250 | - | - | - | - | 18 | 3.0 | 1.5 | 0.1Al | 1860 | 1500 | 58 | [27] | | W250 | - | - | - | - | 19 | - | 1.2 | 4.5W + 0.1Al | 1800 | 1780 | 25 | [32] | | Precipitation-hardening | PH13-8 | 0.03 | - | - | 12.6 | 7.9 | 1.7 | - | 1.0Al | 1551 | 1448 | 41 | [28] | | (PH) ultra-high | Custom465 | 0.02 | - | - | 12.4 | 9.84 | 0.7 | 0.24 | - | 1080 | 1039 | 150 | [29] | | strength stainless steel | FerriumS53 | 0.21 | - | 13.0 | 9.0 | 4.8 | 1.5 | 0.02 | 1.0W | 1986 | 1551 | 18 | [28] |
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