39中英文双语毕业设计外文文献翻译成品：球墨铸铁摩擦焊接过程中的微组织与质量传输

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1、 The microstructure and mass transport during friction welding of ductile cast iron Mieczysaw Kaczorowski Institute of Mechanics and Design, Warsaw University of Technology, Warsaw, Poland, and Radosaw Winiczenko Department of Production Engineering, Warsaw University of Life Sciences, Warsaw, Polan

2、d Abstract Purpose The results of a study of friction welding of ductile cast iron using stainless steel interlayer are presented. Based on the microstructure evolution at the region close to the ductile cast iron-stainless steel interface, the phenomena accompanying the process of joining were eval

3、uated. Therefore, the purpose of this paper is to take a closer look into metallurgical phenomena accompanying the friction welding of ductile cast iron. Design/methodology/approach In this paper, ductile cast iron and austenitic-stainless steel are welded using the friction w elding method. The ten

4、sile strength of the joints was determined using a conventional tensile test machine. Moreover, the hardness across the interface ductile cast iron-stainless steel interface was measured on a metallographic specimen. The microstructure of the joints was examined using light metallography as w ell as

5、 electron microscopy. In this case, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) w ere applied. Energy Dispersive X-ray analysis (EDS) w as carried out across the section of friction welded ductile iron-stainless steel interface. Findings On the basis of careful anal

6、ysis of experimental data it w as concluded that the process of friction welding was accompanied with diffusion of Cr, Ni and C atoms across the ductile cast iron-stainless steel interface. This leads to an increase of carbon concentration in stainless steel w here chromium carbides w ere formed, the size and distribution of w hich was dependent on the distance from the interface. Originality/value The main value of this paper is to contribute to the literature on friction w el