Layout of the portable cell and accessories during an ex situ tension test of Nafion membrane at 70 °C: 1-temperature controller; 2-load cell; 3-grip; 4-heat rod; 5-aluminum reservoir; 6-load frame; 7-SmartMotor; 8-data acquisition and control computer with LabView; and 9-NI SCXI data collection system.
Layout of the portable cell on the EQ-SANS instrument: (a) schematic illustration and (b) real situation before mounting the grips and membranes, 1-beam guide; 2-beam slit; 3-translation stage; 4-the portable cell; and 5-detector tank.
(a) Photo of the load frame with reservoir and a zoomed-in view of grips with membrane sample before testing; (b) Schematic illustration of the load frame; (c) Exploded view of the reservoir via Solidworks.
Stress-strain diagrams of the ex situ tensile tests on Nafion 212 membranes.
Comparison of stress-strain diagrams of ex situ and in situ tests.
Original 2D scattering profiles of the background and membrane samples (a) before stretching and (b) after 40% deformation. The horizontal axial represents the stretching direction.
1D scattering profiles parallel and perpendicular to the stretching direction (a) before stretching and (b) after 40% tensile deformation.
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