研究采用光学显微镜(OM)、扫描电镜(SEM)、能谱分析(EDS)和透射电镜(TEM)等试验技术,分别对2205双相不锈钢在700、750℃时效处理0.5、1、2h后组织中的析出相进行分析.结果表明:在700℃时效处理的条件下,2205双相不锈钢的析出相主要是Cr2N和χ相;750℃时效处理的条件下,析出相主要由Cr2N、χ相以及σ相组成.结合室温冲击功的测量结果,随着时效时间的延长,该钢的冲击功明显降低;在相同时效时间条件下,与700℃时效处理相比,经750℃时效处理后的2205双相不锈钢冲击功较低,这主要是由于组织中σ相的析出造成的.
参考文献
| [1] | Michael Pohl;Oliver Storz;Thomas Glogowski .Effect of intermetallic precipitations on the properties of duplex stainless steel[J].Materials Characterization,2007(1):65-71. |
| [2] | Sieurin H;Sandstrom R .Sigma Phase Precipitation in Duplex Stainless Steel[J].Materials Science and Engineering,2007,444:271. |
| [3] | Chi-Shang Huang;Chia-Chang Shih .Effects of Nitrogen and High Temperature Aging on a Phase Precipitation of Duplex Stainless Steel[J].Materials Science and Engineering,2005,402:66. |
| [4] | Joanna Michalska;Maria Sozafiska .Qualitative and Quantitative Analysis of α and γ Phases in 2205 Duplex Stainless Steel[J].Materials Characterization,2006,56:355. |
| [5] | Chen T H;Yang J R .Effects of Solution Treatment and Continuous Cooling on o Phase Precipitation in a 2205 Duplex Stainless Steel[J].Materials Science and Engineering,2001,311:28. |
| [6] | Dai Q X;Yuan Z Z;Luo X M et al.Numerical Simulation of Cr2N Age-precipitation in High Nitrogen Stainless Steel[J].Materials Science and Engineering,2004,385:445. |
| [7] | Zhang Wei;Jiang Laizhu;Hun Jincheng .Effect of ageing on precipitation and impact energy of 2101 economical duplex stainless steel[J].Materials Characterization,2009(1):50-55. |
| [8] | 吴玖.双相不锈钢[M].北京:冶金工业出版社,1999 |
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