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Studies on wire-mesh and silicon carbide particle reinforcements in explosive cladding of Al 1100-Al 5052 sheets
Journal of Manufacturing Processes ( IF 6.2 ) Pub Date : 2020-06-06 , DOI: 10.1016/j.jmapro.2020.05.056
Lalu Gladson Robin , K. Raghukandan , S. Saravanan

This study focuses on the development of stainless steel wire-mesh (WM) and silicon carbide particle (SiCp) reinforced hybrid aluminum composites with improved microstructural, corrosion and mechanical properties. Aluminum 5052-Aluminum 1100 sheets were explosively cladded with different reinforcements viz., stainless steel SS316 wire-mesh and silicon carbide powder (1.5 % and 3 % by weight of flyer plate) to produce composites at varied loading ratios, LR (Mass of explosive/mass of flyer plate=0.6 to 0.9), and the results are reported. Microstructural characterization of the conventional and wire-mesh reinforced clads display a slender melted layer, which transformed into a smooth interface when SiC particles are added as reinforcement. Maximum hardness is witnessed at the interface for the attempted conditions irrespective of the reinforcement employed. The explosive clad reinforced with wire-mesh and 1.5 % SiCp particles exhibit higher tensile and shear strength. The corrosion rate of the clad is higher in the initial days and tends to follow a uniform fashion afterwards.



中文翻译:

Al 1100-Al 5052薄板爆炸熔覆中金属丝网和碳化硅颗粒增强材料的研究

这项研究的重点是不锈钢丝网(WM)和碳化硅颗粒(SiC p)增强的杂化铝复合材料,具有改善的微结构,腐蚀和机械性能。用不同的增强材料,即不锈钢SS316丝网和碳化硅粉末(分别为翼板重量的1.5%和3%)爆炸性地覆以铝5052-铝1100片,以生产不同载荷比的复合材料LR(爆炸质量) /传单板的质量= 0.6到0.9),并报告结果。传统的和金属丝网增强的包层的微观结构表征显示出细长的熔融层,当添加SiC颗粒作为增强层时,熔融层转变为光滑的界面。无论采用何种增强材料,在所尝试的条件下,界面处均具有最大硬度。的爆炸复合钢筋线网和1.5%的SiC p颗粒具有较高的拉伸强度和剪切强度。包层的腐蚀速率在开始的几天中较高,并且此后趋于遵循均匀的方式。

更新日期:2020-06-06
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