Recycling of Magnesium Machining Chips via Shear Consolidation Processing

سال انتشار: 1397
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 417

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شناسه ملی سند علمی:

JR_ADMTL-12-1_011

تاریخ نمایه سازی: 27 فروردین 1399

چکیده مقاله:

In this research, the feasibility of solid-state recycling of pure magnesium (Mg) chips is investigated by applying a synthesis technique called shear consolidation processing (SCP). During the SCP, machining chips are first loaded into the container and slightly compacted, and then a rotating tool with a designated diameter is plunged into the Mg chips at a selected spindle rotation speed and feed rate. Due to the huge amount of heat generation, the softened materials are compressed and synthesized to form a consolidated part eventually. The results show that the SCP process is a feasible solution for producing a void-free consolidated material directly from Mg chips in a single step. The microstructure analysis using optical microscopy (OM) and scanning electron microscopy (SEM) shows a significant grain refinement in the produced part compared with the base material (from around 900 µm to 11 µm). The recycled specimen has a much higher hardness (at least 100% increase) than the parent material and also exhibits better wear resistance. This improvement is attributed to the resulting fine-grained microstructure due to severe plastic deformation during the SCP process.

نویسندگان

Reza Abdi Behnagh

Department of Mechanical Engineering, Urmia University of Technology, Iran

Peyman Mashhadi Keshtiban

Department of Mechanical Engineering, Urmia University of Technology, Iran

Hadi Abdollahi

Department of Mechanical Engineering, Urmia University of Technology, Iran

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