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Inconel617合金持久强度的评估

DOI: 10.13334/j.0258-8013.pcsee.2014.S.025, PP. 172-175

Keywords: Inconel617,持久性能,LMP参数法,预测

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Abstract:

在已有文献的基础上,利用Larson-Miller参数法对700℃超超临界电站候选合金Inconel617的持久数据进行了研究。结果表明,Inconel617合金持久强度的预测精度与LMP建模所用数据关系密切;与利用595~1095℃范围内的所有实验点建模相比,由900℃以下数据外推所得持久强度预测值与参考值/真实值更为一致。进一步对显微组织的研究表明产生上述现象的原因与合金在高温段(900℃及以上)的显微组织,特别是强化相的类型、数量等均发生了明显变化有关。因此,在评估此类合金的持久性能时,应慎用高温区数据,从而降低性能的误估倾向。

References

[1]  Viswanathan R,Henry J F,,Tanzosh J,et al.US program on materials technology for ultra-supercritical coal power plants[J].Journal of Materials Engineering and Performance,2005,14(3):281-292.
[2]  Fukuda M,Saito E,Semba H,et al.Advanced USC technology development in Japan[C]//Proceedings of 6th Int. Conference on Advances in Materials Technology for Fossil Power Plants,Santa Fe,America,2011.
[3]  Knezevic V,Schneider A,Landier C.Creep behavior of thick-wall alloy 617 seamless pipes for 700 ℃ power plant technology[J].Procedia Engineering,2013(55):240-245.
[4]  Gariboldi E,Cabibbo M,Spigarelli S,et al.Investigation on precipitation phenomena of Ni-22Cr-12Co-9Mo alloy aged and crept at high temperature[J].International Journal of Pressure Vessels and Piping,2008,85(1):63-71.
[5]  Special Metals Corporation.Inconel alloy 617[EB/OL].http://www.specialmetals.com/documents/Inconel%20alloy%20617.pdf.2004.
[6]  赵杰.耐热钢持久性能的统计分析及可靠性预测[M].北京:科学出版社,2011:12-14. Zhao Jie.Statistical analysis and reliability prediction of creep rupture property of heat resistant steel[M].Beijing:Science press,2011:12-14.
[7]  Larson F R,Miller J.A time-temperature relationship for rupture and creep stress[J].Transactions of the ASME,1952,74:765-775.
[8]  彭志方,党莹樱,彭芳芳.9%~12% Cr铁素体耐热钢持久性能评估方法的研究[J].金属学报,2010,46(4):435-443. Peng Zhifang,Dang Yingying,Peng Fangfang.Study on creep-rupture property assessment method for 9%~12% Cr ferritic heat-resistant steels[J].Acta Metallurgica Sinica,2010,46(4):435-443(in Chinese).
[9]  Ren W,Totemeier T C,Santella M,et al.Status of testing and characterization of CMS alloy 617 and alloy 230[J].ORNL/TM-2006,2006,547:1-3.
[10]  Evans N D,Maziasz P J,Swindeman R W,et al.Microstructure and phase stability in INCONEL alloy 740 during creep[J].Scripta Materialia,2004,51(6):503-507.

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