Use: DMA is used to study the viscoelastic properties with respect to temperature or frequency. Thermal mechanical properties such as storage modulus, loss modulus, tan d and glass transition temperature can be determined. It can also be used to perform tensile test of thin film. Time-temperature superposition experiment using DMA conveniently determines the temperature-dependent mechanical properties of linear viscoelastic materials from known properties at a reference temperature.
Specification: DMA Q800 from TA Instruments, New Castle, Delaware, USA, operates over a wide temperature range (-150 to 600°C) and provides multiple modes of deformation including dual/single cantilever and 3-point bending, tension, compression, and shear. Below are the specifications.
- Maximum Force: 18 N
- Minimum Force: 0.0001 N
- Force Resolution: 0.00001 N
- Strain Resolution: 1 nanometer
- Modulus Range: 103 to 3x1012 Pa
- Modulus Precision: ± 1%
- Tan δ Sensitivity: 0.0001
- Tan δ Resolution: 0.00001
- Frequency Range: 0.01 to 200 Hz
- Dynamic Sample Deformation Range: ± 0.5 to 10 000 μm
- Temperature Range: -150 to 600°C
- Heating Rate: 0.1 to 20°C/min
- Cooling Rate: 0.1 to 10°C/min
- Isothermal Stability: ± 0.1°C
- Time/Temperature Superposition: Yes
Use: TGA is essentially an electronic balance monitoring the weight of a given sample throughout a process, which can be heating, cooling, isothermal, reaction, decomposition, and so on. The sample is tested under a controlled atmosphere.
Specification: DMA Q500 from TA Instruments, New Castle, Delaware, USA, can operate over from room temperature to 1000 °C. Typical atmosphere in the test can inert gas such as nitrogen, argon or helium and reactive gas such as air or oxygen. Flammable gas such as hydrogen is normally avoided unless under extremely safety precautions.
- Maximum Sample Weight: 1 g
- Weighing Precision: ± 0.01%
- Sensitivity: 0.1 μg
- Baseline Dynamic Drift: < 50 μg
- Temperature Range: Ambient to 1000°C
- Isothermal Temp Accuracy: ± 1°C
- Isothermal Temp Precision: ± 0.1°C
- Controlled Heating Rate: 0.01 to 100°C/min
- Furnace Cooling (forced air/N2): 1000 to 50°C < 12 min
Use: The Instron tensile tester (Model 5982, Instron Corp., Norwood, MA, USA) is used to test the tensile strength, strain and toughness of a material.
Specification: This Instron tensile tester has:
- Capacity up to 100 kN (10000 kg, 22500 lb)
- Dual column floor mounted electromechanical testing system including:
- Integrated digital closed-loop control and data acquisition electronics including crosshead extension and load measurement channels
- Test control panel with two softkeys, results display, start, stop and return functions, programmable function keys, test status indicators, variable speed jog and specimen protection.
- Testing speed range: 0.00005 to 1016 mm/min (0.000002 in/min to 40 in/min).
- Crosshead return speed: 1016 mm/min (40 in/min)
Use: It is used to detect chemical bonds and species. Specifically, FTIR can identify and confirm plastics, elastomers, and adhesive materials by comparing spectra with the onboard library. Verify the composition and quality of composites, coatings and thin films. Analyze contaminants during semiconductor processing and solar cell manufacturing. Confirm that formulated and finished products comply with defined specifications. Track paint curing and composition. Determine the concentration of UV stabilizers, antioxidants, or filler in plastics. Determine the degree of cure and composition of rubber.
Specification: Agilent Cary 630 FTIR from Agilent Technologies, Santa Clara, CA, USA, has the weight of only 3.8 kg (8 lb). It can analyze either solid or liquid material. The wave number can be up to 4000 cm-1. Each test can be quickly finished in half minute.
Use: Nano indentation and scratch testing
- Platform Base with integrated hardware joystick
- Simultaneous mount of Micro or Macro Module and Nano Module
- Motorized X-Y translation for work table (150mmx150mm)
- Z motorized translation of 50mm
- Gas-Spring Slide for a maximum clearance of 140mm
- Electronic control unit and acquisition card
- Intel Core 2 Duo 2.8GHz or higher computer with 19" LCD Display
- Emergency Stop
- Scratch, Wear and Hardness Modes
- High precision piezo control
- Load cell feedback control loop
- Loading system for 0-400mN loading range, noise floor resolution down to 1.5μN
- Load Control Electronic
- High Resolution Capacitor Depth Sensor (noise floor resolution 0.15nm)
- Calibration Certificate
- Mounting Block 35x35x16mm with Crystalbond Glue
- Set, installation tools & Manual
- Microscope Imaging System
- Video Card
- Color Video Camera (PAL 752x582)
Use: Both contact and tapping modes for imaging topography (amplitude) and phase of materials at a resolution more than 1000 times higher than optical diffraction limit
- Nanosurf easyScan 2 Controller (Static,Dynamic, and Phase Configuration)
- Nanosurf easyScan 2 FlexAFM Scan Head 10 μm
- Cantilever holder air only
- FlexAFM video camera
- Nanosurf easyScan 2 FlexAFM Sample Stage
- Nanosurf easyScan 2 FlexAFM Tool Set
- isoStage Active vibration isolation table
- Nanosurf AFM High Resolution Sample Kit
Use: The environmental chamber is used to mimic the cycling of weather in the aging of materials.
Specification: The temperature in the chamber can be cycled between -75 °C - 200 °C with relative humidity ranging between 20% RH - 95% RH. The chamber has Versa Tenn III controller to create and execute a temperature and relative humidity loop program for continuous environmental cycling. The environmental chamber is connected to data acquisition software to capture temperature and humidity variation during the environmental cycling.
Use: The EIS300TM Electrochemical Impedance Spectroscopy Software allows you to measure impedances spanning 15 orders of magnitude over a frequency range of 10 μHz to 1 MHz. EIS300 includes experimental scripts for potentiostatic, galvanostatic and hybrid impedance spectroscopy experiments in addition to single frequency techniques like Mott-Schottky.
Use: The rapid freeze-thaw cabinet is used to measure the resistance of concrete to deterioration caused by repeated cycles of freezing and thawing in water. The system is designed to test up to eighteen 3" x 4" x 16" (76 x 102 x 406cm) concrete specimens simultaneously, with one being a control.
- Stainless steel, 84" x 34" x 11" (213 x 86 x 30cm) cabinet construction with 3" (76mm) insulation on all sides
- The internal test compartment measures 6" x 26" x 74" (15 x 66 x 188cm). A 30-amp circuit is required for operation
- Up to eight freeze-thaw cycles are possible within a 24-hour period
- In each cycle the temperatures changes from 40 to 0°F (4.4 to -17.8°C) and then back to 40°F (4.4°C)
- The temperature at the center of the control specimen is cycled by means of a 3/4 HP (0.6KW) refrigeration unit and electric resistance heaters with fully automatic controls.
- An electric temperature recorder with 24-hour, 7-day week chart
- Split Hopkinson Pressure bars (tension and compression)
- Shock Tube
- Mechanical testing equipment consisting of three MTS test systems (500 kN, 100 kN, and 25 kN) with digital control, computer data acquisition, numerous test fixtures, and temperature chamber
- Dynatup 8250 HV instrumented impact test system
- Optical and electron microscopy and image analysis equipment consisting of Nikon microscopes and a JEOL 6100 SEM with Oxford Link ISIS EDS and digital image acquisition, and PC based digital image analysis (Neosis Visilog software and Image Pro Plus) equipment.