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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (7): 882-886.

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EFFECTS OF HYDROGENATION TREATMENTS ON THE MICROSTTUCTURAL REFINEMENT AND SUPERPLASTIC BEHAVIOR OF THE Ti-10V-2Fe-3Al ALLOY

Du Zhongquan1, Wang Gaochao1, Chen Yuxiu1, Zhang Zhifang2   

  1. 1. Department of Materials,Nanchang Institute of Aeronautical Technology,Nanchang,330034;2. Aeronautical Materials Research Institute, Beijing, 100095
  • Received:1992-04-28 Revised:1992-12-10 Online:1994-07-25 Published:1994-07-25

Abstract: This paper is aimed at investigating the effects of using hydrogen as a temporary al-loying element in Ti-10V-2Fe-3Al alloy on its microstructural refinement and superplastic be-havior.Firstly,the metallographic inspections and the hydrogen content analysis are used to optimize the hyd rogenation treatment regimes to refine the microstructures of the Ti-10V-2Fe-3Al alloy.Secondly an orthogonal test layout is arranged to determine the changes in the microstructures and the superplastic behavior ofthis alloy before and after the treatment in combination with its starting structure.

Key words: hydrogenation, titanium alloys, superplasticity

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