An open, modular, and flexible micro X-ray computed tomography system for research.

Area of Science:

• Materials Science
• Engineering
• Physics

Background:

• Microstructural characterization is crucial for understanding material properties.
• Existing X-ray Computed Tomography (XRCT) systems can be expensive and inflexible.
• There is a need for adaptable, open-source XRCT solutions for research.

Purpose of the Study:

• To present a modular and open micro X-ray Computed Tomography (μXRCT) system.
• To provide guidance for researchers setting up their own experimental XRCT systems.
• To demonstrate the flexibility and capabilities of a custom-built μXRCT system.

Main Methods:

• Detailed description of the modular hardware components of the μXRCT system.
• Implementation of a modular software concept for system control and data processing.
• Development of a method for bad detector pixel compensation to improve projection data quality.
• Performance evaluation focusing on achievable spatial resolution.

Main Results:

• The presented μXRCT system exhibits high flexibility due to its modular and open design.
• A reliable method for bad pixel correction was successfully implemented, enhancing data quality.
• Spatial resolution performance was thoroughly investigated and documented.
• Demonstration of the system's versatility through three distinct application case studies.

Conclusions:

• The modular and open μXRCT system offers a flexible and cost-effective alternative to commercial scanners.
• The system facilitates advanced experimental setups and in situ studies for microstructural analysis.
• The presented design and methods empower researchers to build and optimize their own XRCT facilities.