针对超超临界机组中863 K服役20000 h的HR3C再热器管材及与其具有相同Larson-Miller参数值的923 K时效1100 h HR3C管材,开展显微组织结构老化及力学性能衰减的对比研究.结果表明,服役环境的不同导致服役态HR3C钢管的内外侧显微组织结构产生差异.服役态HR3C内侧的显微组织结构和力学性能与时效态的基本相同;然而,服役态钢管外侧的结构损伤程度比时效态钢管更严重.因此,基于Larson-Miller参数的人工时效方法只能在一定条件下模拟USC机组中钢管的结构老化.
参考文献
| [1] | Sawaragi Y;Ogawa K;Kato S et al.Development of the economical 18-8 stainless steel (0.1C-18Cr-9Ni-3Cu-Nb-N) having high elevated temperature strength for fossil fired boilers[J].Sumitomo Search,1992,48(01):50-58. |
| [2] | Sawaragi Y.The development of a new 18-8 austenitic stainless steel (0.lC-18Cr-9Ni-3Cu-Nb-N) with high elevated temperature strength for fossil fired boilers[J].Mechanical Behavior of Materials,1991(04):589-594. |
| [3] | Sawaragi Y;Otsuka N;Senba H et al.Properties of a new 18-8 austenitic steel tube for fossil fired boilers after service exposure with high elevated temperature strength[J].Sumitomo Search,1994,56(10):34-43. |
| [4] | Kaiping Peng;Kuangwu Qian;Wenzhe Chen .Effect of dynamic strain aging on high temperature properties of austenitic stainless steel[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):372-377. |
| [5] | Sklenicka V;Kucharova K .Long-term creep behavior of 9-12% Cr power plants[J].Materials Characterization,2003,51(01):35-48. |
| [6] | 宋有明,陈国宏,余新海,刘俊建,王家庆,化建,张涛,张建华,汤文明.T92/HR3C异种钢焊接接头高温拉伸变形及断裂行为[J].材料热处理学报,2012(02):72-78. |
| [7] | 张忠文,李新梅,杜宝帅,魏玉忠.650℃时效条件下HR3C钢焊缝金属组织与韧性[J].材料热处理学报,2011(04):104-109. |
| [8] | ISO 13704:2007.Calculation of heater-tube thickness in petroleum refineries,sixth ed.Petroleum,Petrochemical and Natural Gas Industries[S]. |
| [9] | Cheng-yu Chi,Hong-yao Yu,Jian-xin Dong,Wen-qing Liu,Shi-chang Cheng,Zheng-dong Liu,Xi-shan Xie.The precipitation strengthening behavior of Cu-rich phase in Nb contained advanced Fe-Cr-Ni type austenitic heat resistant steel for USC power plant application[J].自然科学进展（英文版）,2012(03):175-185. |
| [10] | Sourmail T. .Precipitation in creep resistant austenitic stainless steels [Review][J].Materials Science and Technology: MST: A publication of the Institute of Metals,2001(1):1-14. |
| [11] | Jiang, J.;Zhu, L..Strengthening mechanisms of precipitates in S30432 heat-resistant steel during short-term aging[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2012:170-176. |
| [12] | Prat, O.;Garcia, J.;Rojas, D.;Carrasco, C.;Kaysser-Pyzalla, A.R. .Investigations on coarsening of MX and M_(23)C_6 precipitates in 12% Cr creep resistant steels assisted by computational thermodynamics[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2010(21/22):5976-5983. |
| [13] | Wagner C .Potential and current distribution at electrodes with local variations of the polarization parameter[J].Electrochemica Acta,1967,12(02):131-136. |
| [14] | Lifshitz I M;Slyozov V V .The kinetics of precipitation from supersaturated solid solutions[J].J Phy Chem Solids,1961,19(01):35-50. |
| [15] | 张忠文,李新梅,杜宝帅,魏玉忠.650℃时效条件下HR3C钢焊缝金属组织与韧性[J].材料热处理学报,2011(04):104-109. |
| [16] | 郑子杰.HR3C钢管时效冲击韧性大幅降低的原因分析[J].锅炉技术,2011(04):46-48,69. |
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