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INFLUENCE OF C ON OXIDATION AND WEAR OF Fe-Cr-Mn ALLOY AT HIGH TEMPERATURES |
ZHAO Xuezeng;XING Jiandong;ZHOU Qingde Harbin Electric Machinery Plant; Xi'an Jiaotong University Correspondent associate professer; Department of Mechanical Engineering; Xi`an Jiaotong University; Xi`an 710049 |
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Cite this article:
ZHAO Xuezeng;XING Jiandong;ZHOU Qingde Harbin Electric Machinery Plant; Xi'an Jiaotong University Correspondent associate professer; Department of Mechanical Engineering; Xi`an Jiaotong University; Xi`an 710049. INFLUENCE OF C ON OXIDATION AND WEAR OF Fe-Cr-Mn ALLOY AT HIGH TEMPERATURES. Acta Metall Sin, 1992, 28(6): 65-70.
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Abstract Kinetic and isothermal oxidation test at 800 and 660℃, and abrasive wear testat 800, 660 and 520℃ were carried out for the Fe-Cr-Mn alloys containing various contentsof C ranging from 0.50 to 2.69%. The morphology of oxidation film and microstructure ofsubsurface were examined. Results show that with increasing content of C, the amount ofeutectic carbide increases resulting decrease of Mn in matrix to participating in oxidation. Theoxidation resistace is thas improwed. The high temperature wear resistance is closely relatedto the bulk hardness and eutectic carbide contained. The higher the hardness, the better thewear resistance will be. However, the support provided by the matrix seems to be very impor-tant to ensure the wear resistant effect of the carbide.
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Received: 18 June 1992
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