Thermal Analysis (DSC, DTA, TGA, TMA) Laboratory
Objective
1. Differential Scanning Calorimeter (DSC)
Type of analysis/characterization possible with the instruments: Typical applications include determination of melting point and the heat of melting; measurement of the glass transition temperature; curing and crystallization studies; and identification of phase transformations.
Recent works of significance done with the instrument/facility: Thermal stability of nanocomposites (isothermal and non-isothermal grain growth studies), glass transition temperatures of polymeric materials, curing of polymeric materials.
Type of projects in which the instrument can be useful:
New materials development
Understanding reaction mechanisms and kinetics
Understanding the thermal stability of nano materials
2. Thermo-Gravimetric and Differential Thermal Analyzer (TG-DTA)
Type of analysis/characterization possible with the instruments: Reactions/phase transition temperatures, melting/fusion temperatures, heat capacity, crystallization temperatures, analysis of deabsorption and decomposition behavior, characterization of oxidation behavior, etc.
Recent works of significance done with the instrument/facility: Thermal stability of polymer nano composites, TG studies on the calcination of aqueous combustion synthesized metal oxide powders, analysis of reactions towards formation of new ceramic compounds, effect of mechanical milling on the reaction onset temperature of aluminum-based nano composites.
Type of projects in which the instrument can be useful:
Research on developing nano materials, new alloys, intermetallics, and ceramic materials
Develop understanding of degradation mechanisms
Interaction between different materials, formation of new phases, etc.
Crystallization behaviour of amorphous materials
3. Thermo Mechanical Analyzer (TMA)
Type of analysis/characterization possible with the instruments: Expansion coefficients, glass transition temperatures, softening temperatures, solid-solid transitions, melting behavior, swelling behavior, etc.
Recent works of significance done with the instrument/facility: Sintering behaviour of nano composite materials, evaluation of thermal expansion coefficient for steel-based composites.
Type of projects in which the instrument can be useful: Development of new materials such as nano-composites
Type of analysis/characterization possible with the instruments: Typical applications include determination of melting point and the heat of melting; measurement of the glass transition temperature; curing and crystallization studies; and identification of phase transformations.
Recent works of significance done with the instrument/facility: Thermal stability of nanocomposites (isothermal and non-isothermal grain growth studies), glass transition temperatures of polymeric materials, curing of polymeric materials.
Type of projects in which the instrument can be useful:
New materials development
Understanding reaction mechanisms and kinetics
Understanding the thermal stability of nano materials
2. Thermo-Gravimetric and Differential Thermal Analyzer (TG-DTA)
Type of analysis/characterization possible with the instruments: Reactions/phase transition temperatures, melting/fusion temperatures, heat capacity, crystallization temperatures, analysis of deabsorption and decomposition behavior, characterization of oxidation behavior, etc.
Recent works of significance done with the instrument/facility: Thermal stability of polymer nano composites, TG studies on the calcination of aqueous combustion synthesized metal oxide powders, analysis of reactions towards formation of new ceramic compounds, effect of mechanical milling on the reaction onset temperature of aluminum-based nano composites.
Type of projects in which the instrument can be useful:
Research on developing nano materials, new alloys, intermetallics, and ceramic materials
Develop understanding of degradation mechanisms
Interaction between different materials, formation of new phases, etc.
Crystallization behaviour of amorphous materials
3. Thermo Mechanical Analyzer (TMA)
Type of analysis/characterization possible with the instruments: Expansion coefficients, glass transition temperatures, softening temperatures, solid-solid transitions, melting behavior, swelling behavior, etc.
Recent works of significance done with the instrument/facility: Sintering behaviour of nano composite materials, evaluation of thermal expansion coefficient for steel-based composites.
Type of projects in which the instrument can be useful: Development of new materials such as nano-composites
Equipment & Details
Differential Scanning Calorimeter (DSC)
Specification of the Instrument:
- Temperature range: Sub-ambient: -170 °C to 270 °C (Environment: He), Above ambient: 50 to 600 °C (Environment: N2)
- Heating rate: Typical: 10oC/min, Maximum: 200oC/min
- Crucible: Aluminium crucibles are typically used in crimped form
- Manufacturer details: Perkin Elmer Pyris Diamond DSC
- Purchase source (funding): CRF Operating Grant
- Year of installation: October 2002
Thermo-Gravimetric and Differential Thermal Analyzer (TG-DTA)
Specification of the Instrument:
- Temperature range: 50 - 1500 °C
- Heating rate: Typical: 10oC/min, Maximum: 40oC/min
- Crucibles: Alumina, Platinum
- Manufacturer details: Perkin Elmer Pyris Diamond TG-DTA
- Purchase source (funding): Year of Installation: CRF Operating Grant
- Year of installation: 2002
Thermo Mechanical Analyzer (TMA)
Specification of the Instrument:
- Temperature range: Ambient to 1500 °C (Environment: N2)
- Heating rate: Typical: 10 °C/min, Maximum: 100 °C/min
- Manufacturer details: Perkin Elmer Diamond TMA
- Purchase source (funding): CRF Operating Grant
- Year of installation: 2007
Sample Details
Lab ImageDSC thermograms showing grain growth for nanocrystalline nickel and nanocrystalline nickel/nanocrystalline ZrO2 nanocomposite at 20 C/min.
Lab Image
Non-isothermal DSC therrmograms of ZNi3 (70.32%Zn, 26% Al, 1.58% Cu, 0.05% Mg and 0.9% Ni) showing how the peak temperature for precipitation reaction is changing with the heating rate.
Lab Image
The DTA heating traces for the milled powders (Al-CeO2) showing how the exothermic peak for displacement reaction is changing with the milling time.
Lab Image
Measurement of the coefficient of thermal expansion (CTE) of the ultrahigh-temperature ceramics (UHTCs) showing variation of CTE with temperature.
DSC thermograms showing grain growth for nanocrystalline nickel and nanocrystalline nickel/nanocrystalline ZrO2 nanocomposite at 20 C/min.
Assigned Technician:
Vishal Gupta
Technical Officervishal.gupta@adm.iitkgp.ac.in
82480
Thermal Analysis (DSC, DTA, TGA, TMA) Laboratory
Location: OB / FF / 12, CRF
Facilitator: Dr. Titash Mondal
Location: OB / FF / 12, CRF
Facilitator: Dr. Titash Mondal
Dr. Titash Mondal
Rubber Technology Centertitash@rtc.iitkgp.ac.in
+91-3222-283182