Study on Combustion Behavior of TC4 and Ti40 Alloys

Ming Yue Huang; She Wei Xin; Jian Hui Ju; Ya Feng Lu; Qian Li; Yong Qing Zhao; Biao Wang

doi:10.4028/www.scientific.net/MSF.747-748.872

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HomeMaterials Science ForumMaterials Science Forum Vols. 747-748Study on Combustion Behavior of TC4 and Ti40...

Study on Combustion Behavior of TC4 and Ti40 Alloys

Abstract:

Abstract. OM, XRD, SEM, EDS were used to test. and analyze the combustion products of TC4 and Ti40 alloys by layer-by-layer from reaction frontier to matrix The result shows that: titanium alloy can be divided into 4 sections, combustion surface (CS), molten zone (MZ), transitional zone (TZ) and influence zone (IZ). The CS is mainly consist of TiO₂, and with oxide of V. Cr₂O₃ and SiO₂ are detected on CS of Ti40. MZ of TC4 is in loose and porous state. There are lots of cracks and holes in the TZ and IZ; MZ of Ti40 is compact, between MZ and IZ there is a TZ which is rich of V and Cr, it can stop oxygen diffusing effectively. From the MZ to matrix, oxygen content reduces gradually, and oxide of Ti with different valence state is detected. Because of effect of oxygen, the hardness of the two alloy increase after combustion, increment of Ti40 is much greater than that of TC4.

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Periodical:

Materials Science Forum (Volumes 747-748)

Pages:

872-877

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.747-748.872

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Online since:

February 2013

Authors:

Ming Yue Huang, She Wei Xin, Jian Hui Ju, Ya Feng Lu, Qian Li, Yong Qing Zhao, Biao Wang

Keywords:

Combustion, TC4 Alloy, Ti40

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