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Title page for etd-0802105-075024


URN etd-0802105-075024 Statistics This thesis had been viewed 2928 times. Download 324 times.
Author Yuh-Han Cheng
Author's Email Address independencer188@yahoo.com.tw
Department Materials Engineering
Year 2005 Semester 2
Degree Master Type of Document Master's Thesis
Language English Page Count 91
Title Assessment of Corrosion and Wear Resistance Behavior on the Coated Layers of 316 and 410 Stainless Steel Fabricated by Different Plasma Nitriding Temperatures
Keyword
  • wear resistance
  • Post-oxidation
  • Plasma nitriding
  • corrosion resistance
  • Chromium nitride
  • Active screen
  • Active screen
  • Chromium nitride
  • corrosion resistance
  • Plasma nitriding
  • Post-oxidation
  • wear resistance
  • Abstract The 316 austenitic stainless steel and 410 martensitic stainless steel have been studied on their corrosion resistance and tribology properties after they were plasma nitrided at high temperature(550℃) and low temperature(420℃). Some of the nitrided specimens were subjected to be oxidized at 350℃ and 500℃ for investigating the effect of post-oxidation treatment on their properties change.
      The active screen employed in low temperature nitriding has been proved that it can enhance the hardened layer formation and not to deteriorate the corrosion resistance of the stainless steels, due to the elimination of CrN formation. The post-oxidation treatment also proved that it can effectively improve the corrosion and wear resistance of the coated layers.
      In this research, using DC plasma system to proceed high temperature (550℃) plasma nitriding; active screen technique assists DC plasma system to proceed low temperature (420℃) plasma nitriding. Active screen technique can improve the disadvantage of DC plasma nitiriding, such as arcing damage, edging effect and hollow-cathode effect. Proceeding 350℃ and 500℃post-oxidation treatment in the air follow by plasma nitriding treatment.
    Advisor Committee
  • Fan- Shiong Chen - advisor
  • Files indicate access worldwide
    Date of Defense 2005-06-28 Date of Submission 2005-08-02


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