자동차 부품용 내열, 고온 내산화성 고Si 구상흑연주철의 제조기술개발 = A Development of High Si DCI with Heat Resistance and High Temperature Oxidation Resistance Properties for Automobile Parts.

다국어 초록 (Multilingual Abstract)

The study aims to compare the characteristics of high temperature oxidation in various High Si Ductile Cast Iron (HSOCI) in order to improve the material for exhaust manifolds which require stronger heat resistance. The specimens containing 2~6% Si and 0~4%Mo were heated in 650℃~950℃ for 100hrs, and 650℃ for 5~20 day. Consequently, amount of oxidation were decreased<br/>
with increase of Si, Mo, due to the formation of Fe₂SiO₄and Mo carbide. As the amount of Si and Mo increase, hardness is increased but charpy impact energy in deceased. This is because that the Si solution and Mo carbide in matrix increase with increase of Si, Mo. As a result of addition of various alloy elements in the cast iron which contained 3.5%C, anti-oxidation property is improved, but toughness is decreased with increase of Si, Mo

목차 (Table of Contents)

• ABSTRACT
  
• 1.서론
  
• 2.실험방법
  
• 3.실험결과 및 고찰
  
• 4.결론
  
• 5.참고문헌