… system utilizes an energy frame to store a large amount of elastic strain energy as well as to
… tensile impact pulse. The prototype of SEFIM demonstrated that the proposed energy frame …

… effects of diameter and material of energy frame on the impact velocity or strain rate of Strain
Energy Frame Impact … The impact speed of SEFIM have been clearly affected by changing …

… (5–19 s −1 ) strain rates by using a strain energy frame impact machine (SEFIM) [8]. Although
… at relatively high strain rates by using the SEFIM, the range of strain rates investigated was …

… strain rates were investigated using an improved strain energy frame impact machine (I-SEFIM)
overcoming the limitations of previous strain energy frame impact machine (SEFIM). The …

… Test Machine (UTM) and in an Improved—strain energy frame impact machine (I-SEFIM) to
… by the applied strain rates: the crack velocity increased as the applied strain rate increased. …

… strain rates between 10 s − 1 and 40 s − 1 . High rate tensile tests were performed using a
strain energy frame impact machine (SEFIM… was estimated from two strain gauges attached on …

… cementitious composites (HPFRCCs) at high strain rates between 10 s −1 and 30 s −1 was
investigated using strain energy frame impact machine (SEFIM) built by authors. Six series of …

… ) at high strain rates up to 248 s −1 was investigated by installing the shear test set-up in
an improved strain energy frame impact machine (I-SEFIM). The tensile strain-hardening …

… The test device employs suddenly released strain energy to generate an impact pulse and a
… [4] subsequently modified SEITS into the Strain Energy Frame Impact Machine (SEFIM). The …

… in an improved-strain energy frame impact machine (I-SEFIM) and image … strain rate of
up to 271 s −1 were observed. Crack velocity in UHPFRCs increased as the applied strain …