Thermomechanical Analysis (TMA) is a sophisticated thermal analysis technique that precisely quantifies the dimensional changes of a diverse range of materials, including polymers, ceramics, composites, and metals, in response to temperature variations under controlled loading conditions. By providing detailed insights into key properties such as the coefficient of thermal expansion (CTE), glass transition temperature (Tg), softening temperature, and melting behavior, TMA is an essential tool for material scientists and engineers, enabling them to deeply understand how materials will perform under different environmental conditions and facilitating the development of innovative, high-performance products across a wide spectrum of industries.
TMA operates by applying a constant or varying force to a sample while it is subjected to a controlled temperature program. The sample's dimensional changes are measured using a highly sensitive displacement sensor, typically an LVDT (linear variable differential transformer). As the temperature increases or decreases, the material may expand, contract, or undergo phase transitions, which are detected as changes in length. The resulting data provides detailed insights into the material's viscoelastic properties, thermal stability, and mechanical behavior. For instance, a sharp change in length can indicate a glass transition or melting point, while gradual changes can reveal thermal expansion characteristics. This scientific principle allows TMA to be a versatile and precise method for material characterization.
At CD BioSciences, we specialize in providing advanced TMA services tailored to meet the needs of researchers and industries focused on developing and optimizing environment-friendly materials. Our state-of-the-art laboratory is equipped with cutting-edge TMA instruments that offer unparalleled precision and versatility. We adhere to stringent quality standards and utilize the latest techniques to ensure accurate and reliable results.
Coefficient of Thermal Expansion (CTE) Measurement
We offer precise measurement of the CTE for various materials, which is essential for understanding how materials expand or contract with temperature changes. This information is critical for applications where dimensional stability is required, such as in electronics and aerospace components.
Glass Transition Temperature (Tg) Determination
Our TMA service can accurately determine the Tg of polymers and other materials. This parameter is vital for understanding the material's behavior at different temperatures and is widely used in material selection and product design.
Softening and Melting Point Analysis
We provide detailed analysis of softening and melting points, which are crucial for evaluating the thermal stability and processing conditions of materials. This service is particularly valuable for the development of new polymers and thermoplastic materials.
Dimensional Stability Testing
Our TMA service assesses the dimensional stability of materials under various operating temperatures and loads. This is essential for ensuring the reliability and performance of components in real-world applications.
To ensure accurate and reliable TMA results, we work closely with our clients to carefully prepare and select the appropriate sample forms. Typical sample sizes range from 1-4 mm in thickness and up to 9.5 mm in diameter, with various geometries such as plugs, films, powders, and fibers accommodated.
Sample Preparation
Samples are carefully prepared according to the specified requirements to ensure accurate and reliable results.
Test Execution
The sample is placed in the TMA instrument, and the desired temperature program and load are applied. The dimensional changes of the sample are continuously monitored and recorded.
Data Analysis
The collected data is analyzed to determine key properties such as CTE, Tg, and softening temperature. Our team of experts provides detailed reports and interpretations of the results.
Result Reporting
Comprehensive reports are generated, highlighting the key findings and their implications for material performance and application.
If you are interested in our services, please contact us for more information.
Our products and services are for research use only and cannot be used for any clinical purposes.