On the origin of creep dislocations in a Ni-base, single-crystal superalloy: an ECCI, EBSD, and dislocation dynamics-based study
作者： Farangis Ram , Zhuangming Li , Stefan Zaefferer , Seyed Masood Hafez Haghighat , Zailing Zhu
DOI: 10.1016/J.ACTAMAT.2016.02.038
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摘要: This work investigates the origin of creep dislocations in a Ni-base, single crystal superalloy subject to creep at an intermediate stress and temperature. Employing high angular …
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dierk-raabe.com 参考文章(55)
Farangis Ram, Stefan Zaefferer, Tom Jäpel, Dierk Raabe, Error analysis of the crystal orientations and disorientations obtained by the classical electron backscatter diffraction technique Journal of Applied Crystallography. ,vol. 48, pp. 797- 813 ,(2015) , 10.1107/S1600576715005762
Roger C. Reed, The Superalloys: Fundamentals and Applications ,(2008)
T.M. Pollock, R.D. Field, Chapter 63 Dislocations and high-temperature plastic deformation of superalloy single crystals Dislocations in Solids. ,vol. 11, pp. 547- 618 ,(2002) , 10.1016/S1572-4859(02)80014-6
Stefan Zaefferer, Computer-aided crystallographic analysis in the TEM Advances in Imaging and Electron Physics. ,vol. 125, pp. 355- XII ,(2003) , 10.1016/S1076-5670(02)80019-2
Alireza B. Parsa, Philip Wollgramm, Hinrich Buck, Christoph Somsen, Aleksander Kostka, Ivan Povstugar, Pyuck-Pa Choi, Dierk Raabe, Antonin Dlouhy, Julian Müller, Erdmann Spiecker, Kathrin Demtroder, Jürgen Schreuer, Klaus Neuking, Gunther Eggeler, Advanced Scale Bridging Microstructure Analysis of Single Crystal Ni-Base Superalloys† Advanced Engineering Materials. ,vol. 17, pp. 216- 230 ,(2015) , 10.1002/ADEM.201400136
U. Bru¨ckner, A. Epishin, T. Link, Local x-ray diffraction analysis of the structure of dendrites in single-crystal nickel-base superalloys Acta Materialia. ,vol. 45, pp. 5223- 5231 ,(1997) , 10.1016/S1359-6454(97)00163-8
C. Ayas, J.A.W. van Dommelen, V.S. Deshpande, Climb-enabled discrete dislocation plasticity Journal of The Mechanics and Physics of Solids. ,vol. 62, pp. 113- 136 ,(2014) , 10.1016/J.JMPS.2013.09.019
J.Y. Buffiere, M. Ignat, A dislocation based criterion for the raft formation in nickel-based superalloys single crystals Acta Metallurgica Et Materialia. ,vol. 43, pp. 1791- 1797 ,(1995) , 10.1016/0956-7151(94)00432-H
A. K. Singh, N. Louat, K. Sadananda, Dislocation network formation and coherency loss around gamma- prime precipitates in a nickel- base superalloy Metallurgical Transactions A. ,vol. 19, pp. 2965- 2973 ,(1988) , 10.1007/BF02647723
J.S. Van Sluytman, T.M. Pollock, Optimal precipitate shapes in nickel-base γ–γ′ alloys Acta Materialia. ,vol. 60, pp. 1771- 1783 ,(2012) , 10.1016/J.ACTAMAT.2011.12.008