Microstructure and residual stress of laser rapid formed Inconel 718 nickel-base superalloy

Optics and Laser Technology

Volumn 43, Issue 1, 2011, Pages 208-213

  Liu, Fencheng ^a   Lin, Xin ^a   Yang, Gaolin ^a   Song, Menghua ^a   Chen, Jing ^a   Huang, Weidong ^a  

^a NORTHWESTERN POLYTECHNICAL UNIVERSITY   (China)

Author keywords

Inconel 718; Laser rapid forming; Residual stress

Indexed keywords

ANNEALING TREATMENTS; COLUMNAR DENDRITES; DEPOSITED LAYER; EQUIAXED GRAINS; HIGH TEMPERATURE; INCONEL 718 ALLOY; INCONEL-718; LASER RAPID FORMING; MICRO INDENTATION; NICKEL BASE SUPERALLOY; RAPID-HEATING; RECRYSTALLIZATIONS; RECRYSTALLIZED GRAINS; RESIDUAL THERMAL STRESS; SOLUTION ANNEALING; VICKERS;

DENDRITES (METALLOGRAPHY); MICROSTRUCTURE; NEURONS; NICKEL ALLOYS; RECRYSTALLIZATION (METALLURGY); SUPERALLOYS;

RESIDUAL STRESSES;

EID: 77955514516     PISSN: 00303992     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.optlastec.2010.06.015     Document Type: Article

References (14)

1. X. Lin, H.O. Yang, J. Chen, and W.D. Huang Microstructure evolution of 316 L stainless steel during laser rapid forming Acta Metall Sin 4 2006 361 368
2. K. Zhang, W.J. Liu, and X.F. Shang Research on the processing experiments of laser metal deposition shaping Opt Laser Technol 39 2007 549 557
3. P. Rangaswamy, M.L. Griffith, M.B. Prime, T.M. Holden, R.B. Rogge, and J.M. Edwards Residual stresses in LENS components using neutron diffraction and contour method Mater Sci Eng A 399 2005 72 83
4. M.L. Griffith, M.E. Schlienger, L.D. Harwell, M.S. Oliver, M.D. Baldwin, and M.T. Ensz Understanding thermal behavior in the LENS process Mater Design 20 1999 107 113
5. S.Y. Zhang, X. Lin, J. Chen, and W.D. Huang Influence of heat treatment on residual stress of Ti-6Al-4V alloy by laser solid forming Rare Met Mater Eng 5 2009 774 778
6. C. Chen, C.X. Pan, and Q. Fu Micro-residual stress measurement using Vickers micro-indentation Mater Mech Eng 1 2007 8 11
7. S. Suresh, and A.E. Giannakopoulos A new method for estimating residual stresses by instrumented sharp indentation Acta Mater 16 1998 5755 5767
8. J.Y. Zhuang, J.H. Du, Q. Deng, J.L. Qv, and X.D. Lv Wrought Superalloy GH4169 2006 Metallurical Industry Press Beijing
9. S. Carlsson, and P.L. Larsson On the determination of residual stress and strain fields by sharp indentation testing. Part I: theoretical and numerical analysis Acta Mater 49 2001 2179 2197
10. S. Carlsson, and P.L. Larsson On the determination of residual stress and strain fields by sharp indentation testing. Part II: experimental investigation Acta Mater 49 2001 2193 2203 (Pubitemid 32544473)
11. X.M. Zhao, X. Lin, J. Chen, L. Xue, and W.D. Huang The effect of hot isostatic pressing on crack healing, microstructure, mechanical properties of Rene88DT superalloy prepared by laser solid forming Mater Sci Eng A 504 2009 129 134
12. J. Yang, J. Chen, H.O. Yang, X. Lin, and W.D. Huang Experimental study on residual stress distribution of laser rapid forming process Rare Met Mater Eng 12 2004 1304 1307
13. J.Y. Zhang, L.X. Gao, L.L. Cui, H.G. Wang, and J.X. Yang Analysis in the variation principle of thermal cycle and stress in the laser overlapping area Laser Technol 4 2005 370 372
14. F.J. Humphreys, and M. Hatherly Recrystallization and related annealing phenomena 2nd ed. 2004 Elsevier Kidlington