用穆斯堡尔谱研究了钴含量对高Ni-Co二次硬化钢微结构的影响.发现:随着钢中钴含量的减少,马氏体中的钴作为铁原子近邻的原子组态总量减少;钴在马氏体中的分布会影响镍、铬、钼原子在马氏体中的分布;钴促进奥氏体向马氏体转变,减少残余奥氏体量;钴促进合金碳化物的形成,增加其析出量.
参考文献
[1] | Garrison W M Jr;Moody N R .The Influence of InclusionSpacing and Microstructure on the Fracture Toughness of theSecondary Hardening Steel AF1410[J].Metallurgical and Materials Transactions,1987,18:1257-1263. |
[2] | 苏杰;李荣;吴宝榕 .高Co-Ni二次硬化马氏体钢的发展[J].钢铁研究学报,1995,7(04):67-72. |
[3] | Kaplow R;Ron M;DeCristofaro N .Mossbauer Effect Stud-ies of Tempered Martensite[J].Metallurgical and Materials Transactions,1983,14:1135-1145. |
[4] | Vincze I;Campbell I A .Mossbauer Measurements in IronBased Alloys with Transition Metals[J].Journal of Physics F:Metal Physics,1973,3:647-662. |
[5] | Stearns M B .[J].Physical Review,1963,129:1136. |
[6] | 耿平 .新型高强高韧钢的微观结构与强韧性研究[D].东北大学,1997. |
[7] | Speich G R;Dabkowski D S;Porter L F .Strength andToughness of Fe-10Ni Alloys Containing C Cr Mo and Co[J].Metallurgical and Materials Transactions,1973,4:303-315. |
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