Abstract
The ensuring safety for damages from high-speed shock phenomena has been required in air-conditioning machine field, and the establishment of evaluation techniques is expected. In this study, the fracture characteristic and deformation behavior of SPHE (Steel plate hot deep-drawn extra) steel cylinders was examined as a preliminary study. SPHE steel cylinders were expanded with high strain rate by PETN (Pentaerythritol tetranitrate) explosive. SPHE used for a typical refrigerant circuit component like a compressor has relatively higher ductility among carbon steels. The deformation of cylinders was observed by high speed camera and the fractures were evaluated from the fragments after high-speed shock test. Numerical analyses were also made to evaluate the high-speed shock deformation phenomena.
