Q800 device

Manufactured by TA Instruments

Sourced in United States

The Q800 device is a dynamic mechanical analyzer (DMA) that measures the viscoelastic properties of materials. It can analyze the behavior of solid, liquid, and semi-solid samples under various mechanical loads and temperatures.

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TA Q800 device (3 citations) Q800 DMA device (2 citations)

2 protocols using q800 device

Dynamic Mechanical Analysis of Polymer Samples

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The DMA test was conducted using the Q800 device of TA Instruments (New Castle, DE, USA). The device can measure the storage and loss moduli of a sample under different temperatures through a single-clamped cantilever beam flexural test.
The test setup is shown in Figure 11. A 40-mm-long specimen was cut from the free end of the fractured beam. The part was fixed at one end in the chamber of the DMA test machine. The temperature in the chamber gradually increased from 30 °C to 70 °C at a rate of 3 °C per minute. The free end of the specimen moved at a frequency of 1 Hz and an amplitude of 10 µm. The storage and loss moduli values were automatically calculated and recorded, which varied with the temperatures.

He F., Khan M, & Aldosari S. (2022). Interdependencies between Dynamic Response and Crack Growth in a 3D-Printed Acrylonitrile Butadiene Styrene (ABS) Cantilever Beam under Thermo-Mechanical Loads. Polymers, 14(5), 982.

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Dynamic Mechanical Analysis of Shape Memory Polymers

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DMA was performed on a Q800 device by T.A. Instruments, with the sample being mounted in tensile mode. Shape-memory properties were determined according to a controlled force procedure based on a whitepaper published by TA-instruments. [27] The sample was stretched at 0.1 N min -1 to a maximum stress of 0.05 N at 40 °C. The sample was then cooled down to -10 °C (Tlow) and kept isothermal for 10 min. The force was then released, and the sample was kept isothermal for another 10 min. The sample was reheated to 40 °C (Thigh) using a 5 °C min -1 temperature ramp, after which the sample was kept isothermal for 45 min. This procedure was repeated 4 times for a total of 5 cycles. Results were analyzed using the Advantage/Universal analysis software package. Shape fixity (Rf) and shape recovery (Rr) were calculated using equations ( 11) and ( 12) respectively [28] :
𝑅 𝑟 (𝑁) = 𝜀 𝑙 (𝑁) -𝜀 𝑝 (𝑁) 𝜀 𝑙 (𝑁) -𝜀 𝑝 (𝑁 -1) × 100% ( 12) With εl(N) the maximum strain in cycle N, εu(N) the strain after unloading and cooling to Tlow, εp(N) the remaining strain of the recovered shape in cycle N and εp(N-1) the remaining strain after recovery of cycle N-1.

Delaey J., Parmentier L., Pyl L., Brancart J., Adriaensens P., Dobos A., Dubruel P, & Van Vlierberghe S. (2023). Solid-State Crosslinkable, Shape-Memory Polyesters Serving Tissue Engineering. Macromolecular rapid communications, 44(8).

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