4.6.2. Scanning Electron Microscopy (SEM)

Try these first

1. 1.

   What does SEM stand for?

   Hint

   Think about the imaging technique that helps visualize materials.

2. 2.

   Name one main product of cement hydration.

   Hint

   It's crucial for strength development.

3. 3.

   What is the main advantage of using SEM in cement research?

   • A. Visualizing the microstructure
   • B. Measuring compressive strength
   • C. Testing for pH levels

   Hint

   Recall what SEM specializes in.

4. 4.

   True or False: C–S–H is the product of hydration responsible for strength development in cement.

   • True
   • False

   Hint

   Think about the products formed during hydration.

5. 5.

   Investigate a case where SEM was used to identify the causes of failure in a reinforced concrete structure. Describe the findings and implications for improving material performance.

   Hint

   Focus on how the analysis led to material advancements.

6. 6.

   Design an experiment using SEM to compare the effects of two different cement types on porosity in a moisture-rich environment. Detail the steps and expected outcomes.

   Hint

   Think about how SEM can offer comparative insights.