APPARATUS FOR TESTING STRESS RELAXATION

摘要

PURPOSE: A stress relaxation testing apparatus is provided to set the same initial deformation rate for multiple tests or target objects. CONSTITUTION: A stress relaxation testing apparatus includes a chamber(10), a frame(20), a pressing unit(30), a protrusion(40), and a control unit(50). The temperature of the internal cavity of the chamber is controllable. A part of the frame is arranged in the internal cavity and supports a test target, while the other is arranged outside the chamber. The pressing unit is connected to the frame and moved to selectively press the test target. The protrusion is formed on one of the frame and the pressing unit. The control unit is formed on the other of the frame and the pressing unit and moved to regulate the degree that the pressing unit presses the test target.