Abstract

Morphology evolution of prior \beta grains of laser solid forming (LSF) Ti-xAl-yV (x \leq 11,y \leq 20) alloys from blended elemental powders is investigated. The formation mechanism of grain morphology is revealed by incorporating columnar to equiaxed transition (CET) mechanism during solidification. The morphology of prior \beta grains of LSF Ti-6Al-yV changes from columnar to equiaxed grains with increasing element V content from 4 to 20 wt.-%. This agrees well with CET theoretical prediction. Likewise, the grain morphology of LSF Ti-xAl-2V from blended elemental powders changes from large columnar to small equiaxed with increasing Al content from 2 to 11 wt.-%. The macro-morphologies of LSF Ti-8Al-2V and Ti-11Al-2V from blended elemental powders do not agree with CET predictions. This is caused by the increased disturbance effects of mixing enthalpy with increasing Al content, generated in the alloying process of Ti, Al, and V in the molten pool.

© 2011 Chinese Optics Letters

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2010 (3)

X. Chen and X. Yang, Chinese J. Lasers (in Chinese) 37, 842 (2010).

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

A. Crespo and R. Vilar, Scr. Mater. 63, 140 (2010).

2009 (2)

2007 (2)

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

S. Nag, R. Banerjee, and H. L. Fraser, Acta Biomater. 3, 369 (2007).

2006 (1)

S. Bontha, N. W. Klingbeil, P. A. Kobryn, and H. L. Fraser, J. Mater. Process. Technol. 178, 135 (2006).

2005 (2)

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

R. Banerjee, S. Nag, and H. L. Fraser, Mater. Sci. Eng. C 25, 282 (2005).

2004 (1)

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

2003 (1)

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Banerjee, R.

S. Nag, R. Banerjee, and H. L. Fraser, Acta Biomater. 3, 369 (2007).

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

R. Banerjee, S. Nag, and H. L. Fraser, Mater. Sci. Eng. C 25, 282 (2005).

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

Bhattacharyya, D.

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

Bontha, S.

S. Bontha, N. W. Klingbeil, P. A. Kobryn, and H. L. Fraser, J. Mater. Process. Technol. 178, 135 (2006).

Chen, J.

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

F. Zhang, J. Chen, H. Tan, X. Lin, and W. Huang, Chin. Opt. Lett. 7, 222 (2009).

S. Zhang, X. Lin, J. Chen, and W. Huang, Chin. Opt. Lett. 7, 498 (2009).

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Chen, X.

X. Chen and X. Yang, Chinese J. Lasers (in Chinese) 37, 842 (2010).

China, Sci.

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Collins, P. C.

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

Crespo, A.

A. Crespo and R. Vilar, Scr. Mater. 63, 140 (2010).

Feng, L. P.

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Fraser, H. L.

S. Nag, R. Banerjee, and H. L. Fraser, Acta Biomater. 3, 369 (2007).

S. Bontha, N. W. Klingbeil, P. A. Kobryn, and H. L. Fraser, J. Mater. Process. Technol. 178, 135 (2006).

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

R. Banerjee, S. Nag, and H. L. Fraser, Mater. Sci. Eng. C 25, 282 (2005).

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

Genc, A.

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

Hill, D.

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

Huang, W.

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

S. Zhang, X. Lin, J. Chen, and W. Huang, Chin. Opt. Lett. 7, 498 (2009).

F. Zhang, J. Chen, H. Tan, X. Lin, and W. Huang, Chin. Opt. Lett. 7, 222 (2009).

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

Huang, W. D.

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Jia, W.

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

Klingbeil, N. W.

S. Bontha, N. W. Klingbeil, P. A. Kobryn, and H. L. Fraser, J. Mater. Process. Technol. 178, 135 (2006).

Kobryn, P. A.

S. Bontha, N. W. Klingbeil, P. A. Kobryn, and H. L. Fraser, J. Mater. Process. Technol. 178, 135 (2006).

Li, Y. M.

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Lin, X.

F. Zhang, J. Chen, H. Tan, X. Lin, and W. Huang, Chin. Opt. Lett. 7, 222 (2009).

S. Zhang, X. Lin, J. Chen, and W. Huang, Chin. Opt. Lett. 7, 498 (2009).

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Liu, Y.

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

Nag, S.

S. Nag, R. Banerjee, and H. L. Fraser, Acta Biomater. 3, 369 (2007).

R. Banerjee, S. Nag, and H. L. Fraser, Mater. Sci. Eng. C 25, 282 (2005).

Tan, H.

Vilar, R.

A. Crespo and R. Vilar, Scr. Mater. 63, 140 (2010).

Viswanathan, G. B.

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

Wang, J.

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

Yang, H.

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

Yang, X.

X. Chen and X. Yang, Chinese J. Lasers (in Chinese) 37, 842 (2010).

Ying, F.

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

Zhang, F.

Zhang, S.

Zhao, X.

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

Zhong, C.

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

Acta Biomater. (1)

S. Nag, R. Banerjee, and H. L. Fraser, Acta Biomater. 3, 369 (2007).

Acta Mater. (1)

R. Banerjee, D. Bhattacharyya, P. C. Collins, G. B. Viswanathan, and H. L. Fraser, Acta Mater. 52, 377 (2004).

Chin. Opt. Lett. (2)

Chinese J. Lasers (in Chinese) (3)

W. Jia, X. Lin, J. Chen, H. Yang, C. Zhong, and W. Huang, Chinese J. Lasers (in Chinese) 34, 1308 (2007).

X. Chen and X. Yang, Chinese J. Lasers (in Chinese) 37, 842 (2010).

J. Wang, J. Chen, Y. Liu, X. Zhao, F. Ying, and W. Huang, Chinese J. Lasers (in Chinese) 37, 847 (2010).

J. Mater. Process. Technol. (1)

S. Bontha, N. W. Klingbeil, P. A. Kobryn, and H. L. Fraser, J. Mater. Process. Technol. 178, 135 (2006).

Mater. Sci. Eng. C (1)

R. Banerjee, S. Nag, and H. L. Fraser, Mater. Sci. Eng. C 25, 282 (2005).

Scr. Mater. (2)

A. Crespo and R. Vilar, Scr. Mater. 63, 140 (2010).

R. Banerjee, A. Genc, D. Hill, P. C. Collins, and H. L. Fraser, Scr. Mater. 53, 1433 (2005).

Ser. E (1)

X. Lin, Y. M. Li, L. P. Feng, J. Chen, and W. D. Huang, Sci. China, Ser. E 33, 476 (2003).

Other (2)

B. W. Zhang, Theory of Embedded Atom Method and its Application to Materials Science: Atomic Scale Materials Design Theory (in Chinese) (Hunan University Press, Changsha, 2003).

W. D. Huang, X. Lin, J. Chen, Z. X. Liu, and Y. M. Li, Laser Solid Forming Technology (in Chinese) (North-western Polytechnical University Press, Shaanxi, 2007).

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