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Title page for etd-0630109-143531


URN etd-0630109-143531 Statistics This thesis had been viewed 3736 times. Download 1051 times.
Author Jing-Fu Jhuang
Author's Email Address No Public.
Department Materials Engineering
Year 2008 Semester 2
Degree Master Type of Document Master's Thesis
Language zh-TW.Big5 Chinese Page Count 69
Title A Study on Hydrogen Distribution of Ti-6Al-4V Alloy by Electrolytic Cathodic Charging and Heat Treatment
Keyword
  • cyclic hydrogenation-solution
  • Ti-6Al-4V
  • β-solution treatment
  • β-solution treatment
  • Ti-6Al-4V
  • cyclic hydrogenation-solution
  • Abstract Ti-6Al-4V sheet specimen were cathodically charged at 50mA/cm2 for 3 hours in 1N H2SO4(aq) adding with 0.1g/L As2O3 at room temperature . Both of the MA(mill-annealed)and BST(β-solution treated)sheets were designed cathodic charging to evaluate the effect of various designed parameters on the surface microstructure change and hydrogen redistribution. The variation of microstructure was investigated by using XRD(x-ray diffractometry)and hydrogen redistribution was examined by GDOS(glow discharge optical spectrometry).The BST specimens were processed through cyclic cathodic charging and subsequent various heat-treatment to observe the surface microstructure change. The depth of hydrogen were sharply increase by BST. The BST specimens were processed through cyclic cathodic charging and subsequent various heat-treatment to observe on the surface microstructure change, hydrogen redistribution and surface morphology. The different temperature and charging condition were performed systematically to evaluate the optimal parameters.
    Advisor Committee
  • Jiann-Kuo Wu - advisor
  • Tair-I Wu - co-chair
  • Wen Hsing Wang - co-chair
  • Files indicate accessible at a year
    Date of Defense 2009-06-12 Date of Submission 2009-07-03


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