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Effect of exposure time on the morphology of corrosion on high chromium white cast iron in high temperature caustic solutions

หน่วยงาน Central Queensland University, Australia

รายละเอียด

ชื่อเรื่อง : Effect of exposure time on the morphology of corrosion on high chromium white cast iron in high temperature caustic solutions
นักวิจัย : McLeod, A. J. , Centre for Process Engineering and Light Metals , Clegg, Richard E. , Centre for Process Engineering and Light Metals
คำค้น : Bayer Liquor , Corrosion–erosion , High Temperature Caustic Corrosion , Oxide Formation , White Cast Iron
หน่วยงาน : Central Queensland University, Australia
ผู้ร่วมงาน : -
ปีพิมพ์ : 2556
อ้างอิง : http://hdl.cqu.edu.au/10018/937934 , acquire1-20130518-162258 , cqu:9618
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : -
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

High chromium white irons are important candidate materials for use in alumina refineries to combat wear and corrosion.The effect of exposure time on the formation of oxide films was studied in a 23% Cr white cast iron exposed at 260 8C in 110 g/l caustic soda solutions. It was found that whilst well-formed octahedral M(II)O.M(III)2O3 spinel type oxides initially formed and spread across the surface of the material, these were gradually replaced by a background oxide with a higher Cr/Fe ratio and the morphology of the octahedral crystals became less well formed. Also, the oxidation was found to be predominantly in the matrix material, leaving carbide particles unsupported on the surface and in the later stages, significant corrosion was found along the carbide/matrix phase boundary.

บรรณานุกรม :
McLeod, A. J. , Centre for Process Engineering and Light Metals , Clegg, Richard E. , Centre for Process Engineering and Light Metals . (2556). Effect of exposure time on the morphology of corrosion on high chromium white cast iron in high temperature caustic solutions.
    กรุงเทพมหานคร : Central Queensland University, Australia.
McLeod, A. J. , Centre for Process Engineering and Light Metals , Clegg, Richard E. , Centre for Process Engineering and Light Metals . 2556. "Effect of exposure time on the morphology of corrosion on high chromium white cast iron in high temperature caustic solutions".
    กรุงเทพมหานคร : Central Queensland University, Australia.
McLeod, A. J. , Centre for Process Engineering and Light Metals , Clegg, Richard E. , Centre for Process Engineering and Light Metals . "Effect of exposure time on the morphology of corrosion on high chromium white cast iron in high temperature caustic solutions."
    กรุงเทพมหานคร : Central Queensland University, Australia, 2556. Print.
McLeod, A. J. , Centre for Process Engineering and Light Metals , Clegg, Richard E. , Centre for Process Engineering and Light Metals . Effect of exposure time on the morphology of corrosion on high chromium white cast iron in high temperature caustic solutions. กรุงเทพมหานคร : Central Queensland University, Australia; 2556.