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用金属和非金属扩散饱和钢表面,其中包括渗钛,是提高钢的耐热性的有发展前途的方法之一。我们研究了45号钢表面用钛饱和时所形成的扩散层的组织,成份及某些性能。45号钢的扩散渗钛是在熔封的容器中进行的。容器内装有(％):75FeTi,21Al_2O_3和4NaF 所组成的混合物。根据已进行的研究,确定了45号钢的渗钛层厚度与饱和温度和持续时间的关系(图1)。
The use of both metallic and non-metallic surfaces to diffuse saturated steel, including titanium, is one of the promising ways to improve the heat resistance of steel. We studied the microstructure, composition and properties of the diffusion layer formed on the surface of steel # 45 when saturated with titanium. The diffusion of titanium steel No. 45 is carried out in a fused container. The container contains (%): 75FeTi, 21Al_2O_3 and 4NaF composed of a mixture. Based on the research conducted, the relationship between the thickness of the titanium coating of No. 45 steel and the saturation temperature and duration was determined (Fig. 1).