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首页> 外文期刊>Journal of Materials Engineering and Performance >Residual Stress Analysis of Boronized AISI 1018 Steel by Synchrotron Radiation
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Residual Stress Analysis of Boronized AISI 1018 Steel by Synchrotron Radiation

机译:同步辐射分析硼化AISI 1018钢的残余应力

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AISI 1018 steel substrates were powder-pack, diffusion boronized at 850 ℃ for 4 h, followed by air quenching. Optical microscopy in conjunction with color etching was used to obtain the average penetration depth of the iron monoboride layer (9 μm) and the iron diboride layer (57 μm). X-ray diffraction by synchrotron radiation, conducted at the National Synchrotron Light Source in Brookhaven National Laboratory, confirmed the presence of iron monoboride and iron diboride in the boronized plain steel substrates. The (sin ψ){sup}2 technique was employed to calculate the residual stress found in the iron monoboride layer (-237 MPa) and in the substrate layer (-150 MPa) that is intertwined with the needle-like, iron diboride penetration.
机译:将AISI 1018钢基底粉末包装,在850℃下扩散渗硼4 h,然后进行空气淬火。使用光学显微镜结合彩色蚀刻来获得单硼化铁层(9μm)和二硼化铁层(57μm)的平均渗透深度。在布鲁克海文国家实验室的国家同步加速器光源下进行的同步辐射X射线衍射证实,在硼化的普通钢基材中存在单硼化铁和二硼化铁。 (sinψ){sup} 2技术用于计算在单硼化铁层(-237 MPa)和基底层(-150 MPa)中与针状二硼化铁相互缠绕的残余应力。

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