首页> 外文会议>Annual International Workshop on Materials Science and Engineering >Protection of 3101 Stainless Steel from Wear at Elevated Temperatures using Conicraly Thermal Spray Coatings with and without Sic Addition
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Protection of 3101 Stainless Steel from Wear at Elevated Temperatures using Conicraly Thermal Spray Coatings with and without Sic Addition

机译:使用Conicraly热喷涂涂料,使用Conicryry热喷涂涂层在磨损中保护3101不锈钢

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Due to its high oxidation resistance, 310L stainless steel is often used for thermal facilities working at high-temperatures. However, the steel may fail prematurely at elevated temperatures when encounter surface mechanical attacks such as wear. Thermal spray coatings have been demonstrated to be effective in protecting the steel from wear at elevated temperatures. In this study, we investigated the effectiveness of high velocity oxy-fuel(HVOF) spraying CoNiCrAlY/SiC coatings in resisting wear of 310L stainless steel at elevated temperature using a pin-on-disc wear tester. In order to further improve the performance of the coating, 5%SiC was added to the coating. It was demonstrated that the CoNiCrAlY/SiC coating after heat treatment markedly suppressed wear. However, the added SiC particles did not show benefits to the wear resistance of the coating. Microstructures of CoNiCrAlY coatings with and without the SiC addition were characterized in order to understand the mechanism responsible for the observed phenomena.
机译:由于其高抗氧化性,310L不锈钢通常用于高温工作的热设施。然而,当遇到磨损的表面机械攻击时,钢可能在升高的温度下过早发生。已经证明了热喷涂涂层有效地保护钢免受升高的温度下的磨损。在这项研究中,我们研究了使用销圆盘磨损测试仪在升高温度下抵抗310L不锈钢耐磨的高速氧 - 燃料(HVOF)的有效性。为了进一步提高涂层的性能,将5%SiC加入到涂层中。据证明热处理后的同色谱/ SiC涂层显着抑制磨损。然而,添加的SiC颗粒没有显示出涂层耐磨性的益处。特征在于具有和不具有SiC添加的同色子涂层的微观结构,以了解负责观察到的现象的机制。

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