A tensile testing machine is provided with a first grasping body and a second grasping
body that face each other horizontally and grasp two ends of a sample . A 220 µm thick stainless steel orthodontic ligature wire was passed through the middle of L-PRF and tied to the upper jaw thành viên of the tensile testing machine. The Materials Testing Machine measures force with a 7100 N load cell … Continue reading A tensile testing machine is provided with a first grasping body and a second grasping
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