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Effect of the Microwave Heating on Diffusion Kinetics and Mechanical Properties of Borides in AISI 316L
Transactions of the Indian Institute of Metals ( IF 1.6 ) Pub Date : 2020-08-27 , DOI: 10.1007/s12666-020-02072-x
Safiye Ipek Ayvaz , Ibrahim Aydin

In this study, the effect of microwave heating on boride formation and diffusion kinetics in 316L stainless steel alloys was investigated. Boriding was carried out in microwave furnace with 2.9 kW power and 2.45 GHz frequency. Four different boriding temperatures (800, 850, 900 and 950 °C) were used. Boriding was performed for 2, 4 and 6 h for each temperature. Boron layer thicknesses of boride layers were determined by optical microscope. SEM images were taken from the cross sections of the borided samples. Boron activation energy was determined as 244.15 kJ/mol in microwave environment. Two times thicker boride layer was obtained by microwave boriding process compared to the conventional heating process. The mechanical properties of the boride layers formed by microwave boriding (Young’s modulus, hardness, yield strength, residual thermal stress) were determined by nanoindentation tests.



中文翻译:

微波加热对AISI 316L中硼化物扩散动力学和力学性能的影响

在这项研究中,研究了微波加热对316L不锈钢合金中硼化物形成和扩散动力学的影响。硼化在功率为2.9 kW,频率为2.45 GHz的微波炉中进行。使用了四种不同的硼化物温度(800、850、900和950°C)。在每个温度下进行硼化2、4和6小时。通过光学显微镜确定硼化物层的硼层厚度。SEM图像是从硼化样品的横截面获取的。在微波环境中,硼活化能确定为244.15 kJ / mol。与常规加热工艺相比,通过微波硼化工艺获得的硼化物层厚两倍。通过微波硼化形成的硼化物层的机械性能(杨氏模量,硬度,屈服强度,

更新日期:2020-08-28
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