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Welding Vedios

(1) ADW Varestraint test rig embeded in ESRF ID19 experimental hutch for high speed high energy radioscopy imaging

 

(2) In-situ observation of solidification crack propogation during welding

 

 

 

(3) 3-D reconstruction of solidification crack network (tomography)

 

2-D simulation of Columnar-to-Equiaxed Transition in Al-Cu, For more info please check reference:

(a). H.B. Dong and P.D. Lee, Simulation of Columnar-to-Equiaxed Transition in Directionally Solidified Al-Cu Alloys, Acta Mater. 53 (2005) 659-668. 
(b). X.L. Yang, H.B. Dong, W. Wang, P.D. Lee, Microscale Simulation of Stray Grain Formation in Investment Cast Turbine Blades, Mat. Sci. and Eng. A, 386 (2004), 129-139.

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(5) 3-D simulation of CET in Al-Cu, For more info please check reference:
(a) H.B. Dong, X.L. Yang, W. Wang, P.D. Lee, Simulation of Equiaxed Growth ahead of an Advancing Columnar Front in Directionally Solidified Ni-Based Superalloys, J. Mat. Sci. 39 (2004) 7207-7212.:

Grain Selection in Single-Crystal casting of gas turbine bleades. References:
(1) H.J. Dai, N. D’Souza, H. B. Dong*, Grain Selection in Spiral Selectors during Investment Casting of Single Crystal Components  - Part I: Experimental Observation, Metall. Mater. Trans A,  42A, 11 (2011), 3430-3438
(2) H.J. Dai, H.B. Dong*, N.D’Souza, J.C. Gebelin, R. C. Reed, Grain Selection in Spiral Selectors during Investment Casting of Single Crystal Components - Part II: Numerical Modelling, Metall. Mater. Trans A, 42A, 11 (2011),  3439-3446 <>

 

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