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首页> 外文期刊>Corrosion Engineering, Science and Technology >Metal dusting of pre-carburised 304L stainless steel
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Metal dusting of pre-carburised 304L stainless steel

机译：预渗碳304L不锈钢的金属喷粉

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摘要

The metal dusting behaviour of 304L stainless steel (SS) with or without precarburisation treatment was investigated in a flowing CO/CO2 atmosphere at the temperature range of 500-700°C. A thermogravimetric analyser was used to conduct the short term (30 h) exposure tests, while a tube furnace was employed for the prolonged (500 h) tests. The relative resistance to metal dusting and the morphological aspects of the steel with three different surface conditions were compared and examined. The experimental results showed localised attack resulting from metal dusting was found on the surface of the as carburised 304L SS, while it became more uniformly attacked by removing the surface scale formed in pack carburising process before exposure in the CO/CO2 mixed gas. In a sufficient high carbon activity gas atmosphere, the susceptibility to metal dusting of the as carburised 304L SS increased with increasing temperature.
机译：在流动的CO / CO 2 气氛中，在500-700°C的温度范围内，对经过或不经过预渗碳处理的304L不锈钢（SS）的金属喷粉行为进行了研究。使用热重分析仪进行短期（30小时）暴露测试，而使用管式炉进行长时间（500小时）测试。比较并检验了三种不同表面条件下金属粉尘的相对抗性和钢的形态。实验结果表明，在渗碳的304L SS的表面上发现了由金属粉尘引起的局部腐蚀，而在暴露于CO / CO 2 < / sub>混合气体。在足够高的碳活度的气体气氛中，渗碳的304L SS对金属粉尘的敏感性随温度的升高而增加。

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  • 来源
    《Corrosion Engineering, Science and Technology》 |2009年第4期|266-274|共9页
  • 作者

    Lin C.-Y.; Chang C.-H.; Tsai W.-T.;

  • 作者单位

    Department of Materials Science and Engineering, National Cheng Kung University Tainan, Taiwan;

    Department of Materials Science and Engineering, National Cheng Kung University Tainan, Taiwan;

    Department of Materials Science and Engineering, National Cheng Kung University Tainan, Taiwan, Email: wttsai@mail.ncku.edu.tw;

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