Understanding Construction Materials with X-Rays
The free online course on the background, application and production of x-rays and XRD qualitative phase analysis.
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This course will begin by introducing you to the background of X-rays, as well as the applications and production of X-rays. You will be exposed to radiography, diffraction, crystals and symmetry. You will learn about symmetry operators in crystallography, the discovery of X-ray diffraction and diffractogram. You will gain an understanding of how X-rays are produced and the contents of X-ray tubes. This will lead you into radiography, diffraction and the discovery of the phenomenon of X-ray diffraction by crystals. Also, you will be able to explain geometry, the structure of crystals and what enables them to diffract X-rays.
Next, you will be enlightened on the qualitative phase analysis of X-ray diffraction, how X-ray diffraction patterns can be used for qualitative analysis and using the XRD data analysis software. You will be exposed to practical difficulties in phase analysis, sample preparation for X-ray diffraction and application of XRD in cement-based materials. This will further lead you to the reason why XRD is used for cement and how to prepare samples for X-ray diffraction.
Lastly, you will learn about the critical steps involved in sample preparation, the reasons for stopping hydration in cement mixing and the different techniques for hydration stoppage. Also, you will gain an understanding of sample preparation for XRD and sample mounting for X-ray diffraction. Then, you will learn about the practical difficulties in qualitative phase analysis. You will also learn about the Reitveld method as the most important method used in minimizing the difference between measured and calculated patterns at each data point in the diffraction pattern, using a least-squares approach. Start learning today!Start Course Now
X-Ray Diffraction: Background
X-Ray Diffraction - Background - Learning Outcomes
Application and Production of X-Rays
Symmetry Operators in Crystallography
Crystal Structures and History of XRD
Equations for Crystal Structures
Calculating Intensity of Powder Diffraction
X-Rays Measurement Using Diffractometer
X-Ray Diffraction - Background - Lesson Summary
X-Ray Diffraction: Qualitative Phase Analysis
X-Ray Diffraction: Qualitative Phase Analysis - Learning Outcomes
XRD Data Analysis Software
Qualitative Phase Analysis
Critical Steps for X-Ray Diffraction
Reasons for XRD in Cements
X-Ray Diffraction: Qualitative Phase Analysis - Lesson Summary
Having completed this course, you will be able to:
- Explain the meaning of x-ray as it relates to construction materials
- Identify the various ways that x-ray can be used on construction material
- Explain the process that leads to x-rays production
- Describe crystalline materials in relation to construction material
- Explain the meaning of symmetry in crystals
- List the various software used in XRD data analysis
- Explain the meaning of sample displacement
- Identify the different ways to do quantitative phase analyses
- Identify the difficulties encountered in practical phase analysis
- Identify the critical steps in sample preparation for x-ray diffraction
- List the different stages for hydration stoppage
- Explain why XRD is used for cement analysis
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