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首页> 外文期刊>Revue de Metallurgie >Cyclic oxidation behaviour of stainless steels. Application to the automotive exhaust lines
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Cyclic oxidation behaviour of stainless steels. Application to the automotive exhaust lines

机译：不锈钢的循环氧化行为。应用于汽车排气管

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摘要

Several ferritic stabilized and austenitic stainless steels were investigated under cyclic high temperature corrosion conditions in order to assist material engineers in the choice of materials assigned to automotive exhaust systems. Cycle conditions were chosen to be representative of an actual vehicle use. The impor- tance of spalling phenomena was confirmed. Due to their low thermal expansion coefficients, the ferritic stabilized grades behave fairly well, even in these rather severe high temperature conditions. The influence of nature and concentration in stabilizing elements (Ti,Nb) on the cyclic oxidation behaviour is pointed out.
机译：为了在循环高温腐蚀条件下研究几种铁素体稳定和奥氏体不锈钢，以帮助材料工程师选择分配给汽车排气系统的材料。选择循环条件以代表实际的车辆使用。剥落现象的重要性已得到确认。由于其低的热膨胀系数，即使在这些相当严酷的高温条件下，铁素体稳定钢种的性能也相当好。指出了稳定剂（Ti，Nb）的性质和浓度对循环氧化行为的影响。

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