Tma 402 f1 hyperion thermal analyzer

Thermo-mechanical analysis (TMA) was performed using a TMA 402 F1 Hyperion thermal analyzer (NETZSCH, Selb, Germany) with stress applied 0.5 MPa and heating rate 5 °C/min (starting temperature was −75 °C). The experiments were carried out in argon flow (70 mL/min).

Mechanical characteristics of the films were determined at room temperature under uniaxial extension conditions using band-like samples 2 mm wide and 20 mm long. The film strips for the tests were cut with a surgeon knife in the special laboratory-made unit, which ensures formation of strips with a constant width and mutually parallel lateral edges.
The experiments were carried out using an AG-100kNX Plus universal mechanical test system (Shimadzu, Japan). The extension speed was 5 mm/min. In the experiments, the Young’s modulus E, yield stress σ_y, tensile strength σ_b, and ultimate strain ε_b values were determined. The temperatures of physical transitions in the films under study were determined by thermomechanical method with the help of a TMA 402 F1 Hyperion thermal analyzer (NETZSCH Gerätebau GmbH, Germany). The heating rate during the tests was 5 deg/min.