研究了水淬工艺对微合金双相钢组织和力学性能的影响.结果表明,随着淬火温度的降低,双相钢的屈服和抗拉强度下降,同时总伸长率提高;不同的淬火温度使双相钢显微组织中不仅产生了不同体积分数的马氏体,而且也形成了不同数量的新生铁素体.TEM分析表明,新生铁索体中没有细小的NbCN粒子,因而避免了析出强化,这不仅可以改善铁索体的塑性从而有利于双相钢的塑性,而且也能够提高双相钢的强度.
参考文献
| [1] | Araki K;Fukunaka S;Kuchida K .Development of Continuously Annealed High Strength Cold Rolled Sheet Steels[J].Transactions of the Iron and Steel Institute of Japan,1977,17:701. |
| [2] | Speich G R.Fundamentals of Dual-Phase Steel[M].Warrendale.PA:TMS-AIME,1981 |
| [3] | Kot R A;Morris J W.Formable HSLA and Dual-Phase Steels[M].Warrendale.PA:TMS-AIME,1979 |
| [4] | Kot R A;Morris J W.Structure and Properties of Dual-Phase Steels[M].Warrendale.PA:TMS-AIME,1979 |
| [5] | Kubtera H;Nakaoka K .Development of A Continuous Annealing Process for the Drawing Quality Steel Strip[J].Transactions of the Iron and Steel Institute of Japan,1977,17:663. |
| [6] | Lawson R D .An Etching Technique for Microalloyed Dual-Phase Steels[J].Metallograghy,1980,13:71. |
| [7] | Oliver W C;Pharr G M .Measurement of Hardness an Elastic Modulus by Instrumented Indentation:Advances in Understanding and Refinements to Methodology[J].Journal of Materials Research,2004,19:3. |
| [8] | Zhu X D;Li X F.The Influence of Processing Parameters on the Mechanical Properties of Continuous Annealed Phase-Transformation Hardened Ultra-High Strength Steel[A].上海:上海科学技术文献出版社,2006 |
| [9] | Sarwar M .Influence of Epitaxial Ferrite on Tensile Properties of Dual Phase Steel[J].Materials & Design,2007,28:335. |
| [10] | A. J. DeArdo .Niobium in modern steels[J].International Materials Reviews,2003(6):371-402. |
| [11] | Geib M D;Matlock D K .The Effect of Intercritieal Annealing Temperature on the Structure of Niobium Microalloyed Dual-Phase Steel[J].Metallurgical and Materials Transactions,1980,A11:1683. |
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