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<p>Cold forging applications have shown crucial importance in manufacturing machine components due to the conservation of material and high geometric tolerances. Additionally, the work hardening of the part is an added benefit to the cold forged parts and making the components stronger. While working with metals in cold forging situations, interfacial friction plays an important role. Hence during analysis of bulk deformation processes, realistic friction conditions must be specified at the die/workpieces interfaces to obtain the required metal flow. The coefficient of friction ‘μ’ most accepted way of specifying the interfacial friction condition is by characterizing the friction quantitatively.</p><p>This work focuses on experimentally and analytically determining the friction factor “m” for Al6061 ring under various lubricating conditions. An aluminum ring, following the standard Male and Cockcroft ratio of 6:3:2 (OD:ID:T), is presented for the ring compression test (RCT). The goal is to ascertain the friction factor between the workpiece and the die interface and validate the results of experiments with the friction models.</p>

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Validation of experimental conditions with standard friction models during Al 6061 ring compression test under various interfacial conditions

  • 期刊论文

  • 发表日期：

    2025年5月6日

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  • Shrishail Kakkeri,
  • Namdev Ashok Patil,
  • Swati Singh

摘要

Cold forging applications have shown crucial importance in manufacturing machine components due to the conservation of material and high geometric tolerances. Additionally, the work hardening of the part is an added benefit to the cold forged parts and making the components stronger. While working with metals in cold forging situations, interfacial friction plays an important role. Hence during analysis of bulk deformation processes, realistic friction conditions must be specified at the die/workpieces interfaces to obtain the required metal flow. The coefficient of friction ‘μ’ most accepted way of specifying the interfacial friction condition is by characterizing the friction quantitatively.

This work focuses on experimentally and analytically determining the friction factor “m” for Al6061 ring under various lubricating conditions. An aluminum ring, following the standard Male and Cockcroft ratio of 6:3:2 (OD:ID:T), is presented for the ring compression test (RCT). The goal is to ascertain the friction factor between the workpiece and the die interface and validate the results of experiments with the friction models.