Determination of the Friction Coefficient in the Ring Test for Selected . . . Moreover, for these conditions, numerical modeling was conducted in the Forge 3 0 NxT program, in order to analyze the obtained results and verify the correctness and agreement of the friction coefficients determined in the ring test, on the basis of the geometrical changes
Ring Compression Test The simulations show how temperature and shear friction factor affect metal flow and ring geometry Compared to isothermal, non-isothermal deformation causes the level of friction to increase
Optimization in Finite Elements to Define the Friction Factor Through . . . [10] H Sofuoglu, H Gedikli, and J Rasty, “Determination of friction coefficient by employing the ring compression test,” Journal of Engineering Materials and Technology, vol 123, no 3, pp 338–348, Sep 2000, doi: 10 1115 1 1369601
Determination of friction coefficient in the lubricated ring upsetting . . . The ring compression test is a proven method to evaluate the shear friction (m) for bulk forming process It's a simple, fast, indirect and inexpensive approach using standard rings and flat dies (Tatematsu et al , 2018; Zhang et al , 2019)
Determining Friction and Flow Stress of Material during Forging Determination of flow stress and friction in cold forging is of paramount importance In this work, an inverse procedure is developed for predicting the Coulomb’s coefficient of friction and strain-dependent flow stress simultaneously based on the measurement of bulge and forging load
Validation of experimental conditions with standard friction models . . . 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)
On the measurement of friction coefficient utilizing the ring . . . To this end, a series of ring compression tests were conducted in order to determine the magnitude of the friction coefficient, μ, as well as the corresponding calibration curves for two types of modeling materials, white and black Plasticine