Recent Progress in Single and Combined Porosity-Evaluation Techniques for Porous Materials

Area of Science:

• Materials Science
• Geology
• Civil Engineering

Background:

• Accurate determination of porosity and specific surface area is critical for porous materials like shale and cement.
• These properties are essential for applications including gas-energy storage, building heat/humidity transfer, and permeability evaluation.

Purpose of the Study:

• To review and summarize various porosity measurement methods for porous materials.
• To introduce recent research and progress in combined porosity measurement methodologies.

Main Methods:

• Discussion of diverse porosity measurement techniques.
• Summarization of combined methodologies and their advancements.
• Consideration of factors influencing results, such as measurement medium and sample composition.

Main Results:

• Different methods have varying measurement properties.
• Sample characteristics and measurement medium impact results.
• Combined methods can yield more accurate porosity measurements than individual techniques.

Conclusions:

• Selecting appropriate porosity measurement methods depends on the sample's characteristics and desired properties.
• Combining multiple measurement techniques offers a pathway to enhanced accuracy in porosity determination.