首页> 外文期刊>International Journal of Microstructure and Materials Properties >Thermal characterisation of cooling power of quenchants and its influence on microstructure evolution in EN19 steels using Jominy end quench test setup
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Thermal characterisation of cooling power of quenchants and its influence on microstructure evolution in EN19 steels using Jominy end quench test setup

机译:使用Jominy端部淬火测试装置对EN19钢中淬火剂冷却能力的热特性及其对组织演变的影响

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In this study, hardenability of EN19 alloy steel has been investigated for different quenchants using a Jominy test setup. During experimentation, the temperatures were recorded using a thermocouple inserted in the specimen. Hardenability curves, cooling curves, cooling rate curves and heat flux curves were determined and are presented graphically. Microstructures were developed at various sections of the quenched specimens to study the changes in the morphology of phases. Cooling power of the quenchants has been predicted based on the hardenability curves as well as thermal characterisation. It is observed that brine solution results in more heat extraction from the steel specimens compared with other quenchants. The paper aims to establish that cooling rate curves and heat flux curves determination can be a suitable technique to characterise quenchants to assess its suitability for industrial applications.
机译:在这项研究中,使用Jominy测试装置对EN19合金钢在不同淬火剂下的淬透性进行了研究。实验期间,使用插入样品中的热电偶记录温度。确定了淬透性曲线,冷却曲线,冷却速率曲线和热通量曲线,并以图形方式显示。在淬火试样的各个部分都形成了微结构,以研究相形态的变化。已经根据淬透性曲线以及热特性预测了淬火剂的冷却能力。可以看出,与其他淬火剂相比,盐水溶液导致从钢试样中提取更多的热量。本文旨在确定冷却速率曲线和热通量曲线的确定可以作为表征淬火剂以评估其在工业应用中的适用性的合适技术。

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