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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 6 — Jun. 1, 2009
  • pp: 498–501

Effect of solution temperature and cooling rate on microstructure and mechanical properties of laser solid forming Ti-6Al-4V alloy

Shuangyin Zhang, Xin Lin, Jing Chen, and Weidong Huang  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 6, pp. 498-501 (2009)


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Abstract

The effect of solution temperature and cooling rate on microstructure and mechanical properties of laser solid forming (LSF) Ti-6Al-4V alloy is investigated. The samples are solutions treated at 900, 950, and 1000 C, followed by water quenching, air cooling, and furnace cooling, respectively. It is found that the cooling rate of solution treatment has a more important effect on the microstructure in comparison with the solution temperature. The martensite \alpha' formed during water quenching results in the higher hardness and tensile strength but lower ductility of samples. With decreasing the cooling rate and increasing the solution temperature, the width of primary \alpha laths increases, and the aspect ratio and volume fraction decrease, which make the hardness and tensile strength decrease and the ductility increase.

© 2009 Chinese Optics Letters

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(140.3590) Lasers and laser optics : Lasers, titanium
(160.3900) Materials : Metals

Citation
Shuangyin Zhang, Xin Lin, Jing Chen, and Weidong Huang, "Effect of solution temperature and cooling rate on microstructure and mechanical properties of laser solid forming Ti-6Al-4V alloy," Chin. Opt. Lett. 7, 498-501 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-6-498

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