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Super-high Temperature Oxidation Behavior of Ti40 Alloy
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Xi’an University of Architecture and Technology,Xi’an,Northwest Institute for Nonferrous Metal Research,Xi’an Shanxi,Northwest Institute for Nonferrous Metal Research,Xi’an Shanxi,Northwest Institute for Nonferrous Metal Research,Xi’an Shanxi,Northwest Institute for Nonferrous Metal Research,Xi’an Shanxi,Northwest Institute for Nonferrous Metal Research,Xi’an Shanxi,Northwest Institute for Nonferrous Metal Research,Xi’an Shanxi

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    Abstract:

    The oxidation behavior of Ti40 alloy in 1000~1500℃ were researched. Analysis the organization and the elements change of the oxide surface and from surface to matrix with OM,XRD and EDS. The results shows that the oxide surface has the evaporation of the V2O5, grow up of the TiO2, and due to the stress exceed the oxide film strength makes the oxide film cracking and spalling. When the oxide film spalled, The TiO2 and Cr2O3 mix oxide layer become the new oxide layer, It with the enrichment layer of V, Cr elements have a good ability to resist the O element getting to the matrix.

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[Li xusheng, maoxiaonan, xinshewei, Zhao Yongqing, Li qian, Zhou wei, Ge peng. Super-high Temperature Oxidation Behavior of Ti40 Alloy[J]. Rare Metal Materials and Engineering,2017,46(8):2313~2317.]
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History
  • Received:April 01,2015
  • Revised:May 04,2015
  • Adopted:June 11,2015
  • Online: November 16,2017
  • Published: