Understanding a Faster, More Consistent Approach to Sample Mounting
In metallography, sample preparation is a critical step in producing accurate and reliable material analysis results. Before a sample can be examined under a microscope, it typically needs to be mounted, ground, polished, and prepared for evaluation.
For many laboratories, traditional mounting methods such as compression mounting, epoxy mounting, and acrylic mounting have been the standard approach. However, these methods can require multiple preparation steps, including resin measuring, mixing, and extended curing times.UV mounting provides an alternative approach by using ultraviolet light to cure a specialized mounting resin quickly and consistently — simplifying the mounting process while maintaining the quality required for material analysis.
What Is UV Mounting?
UV mounting is a metallographic sample preparation technique that uses ultraviolet (UV) light to cure a specially formulated resin around a material sample.
Unlike traditional castable resins that require multiple components to be measured and mixed together, UV mounting resins are designed to cure when exposed to specific UV wavelengths. Once the resin is positioned around the sample, controlled UV exposure initiates the curing process and creates a solid mount ready for grinding and polishing.
This process reduces manual preparation steps and helps laboratories achieve more consistent results.
How Does UV Mounting Work?
The UV mounting process can be simplified into three steps:
1. Pour
The sample is placed into a UV-compatible mold, and ready-to-use UV mounting resin is added around the specimen.
Unlike traditional resin systems, UV mounting does not require measuring, mixing, or stirring multiple components before use.
2. Program
The curing parameters are selected based on the sample and application requirements.
Modern UV mounting systems allow operators to adjust settings such as:
- Exposure time
- Light intensity
- UV wavelength
This allows laboratories to create repeatable preparation methods for different materials and sample types.
3. Cure
The sample is exposed to controlled ultraviolet light, which initiates the resin curing process.
Advanced UV curing systems use uniform LED illumination to provide consistent curing throughout the mount, producing samples ready for the next stages of metallographic preparation.
Why Use UV Mounting in Metallography?
Reduced Preparation Steps
One of the biggest advantages of UV mounting is workflow simplification. Eliminating resin mixing reduces the number of preparation steps required before curing begins.
This helps technicians spend less time preparing mounts and more time focused on analysis.
Improved Consistency
Traditional mounting processes can be affected by variables such as mixing ratios, operator technique, and curing conditions.
UV mounting systems provide controlled curing parameters, helping laboratories achieve more repeatable results between operators and across sample batches.
Lower Material Waste
Because UV mounting resin is ready to use, laboratories can reduce unused mixed resin and simplify material handling.
Faster Sample Turnaround
A streamlined workflow can help laboratories process samples more efficiently, making UV mounting particularly valuable for environments where throughput and turnaround time are important.
UV Mounting vs Traditional Mounting Methods
| Mounting Steps | UV Mounting | Traditional Castable Mounting |
|---|---|---|
| Resin preparation | Ready to use | Mixing required |
| Process control | Programmable | Operator dependent |
| Workflow complexity | Simplified | Multiple preparation steps |
| Waste | Reduced | Higher potential waste |
| Training requirements | Lower | More operator dependent |
Applications for UV Mounting
UV mounting is well suited for a variety of metallographic applications, including:
Aerospace & Additive Manufacturing
- Metal powders
- Complex geometries
- Thin sections
- Coated materials
Automotive & Manufacturing
- Weld analysis
- Heat-treated components
- Production quality control
Electronics & Microtechnology
- PCB cross-sections
- Small components
- Layer analysis
Research & Development
- Material characterization
- Experimental samples
- University laboratories
Buehler SimpliUV® UV Curing Mounting System
The Buehler SimpliUV® UV Curing Mounting System brings the benefits of UV mounting technology into a simple, repeatable workflow.
Using UVKwick® resin and UVKups™ molds, SimpliUV allows laboratories to:
✓ Pour the sample mount without mixing resin
✓ Program customized curing methods
✓ Cure samples with consistent UV exposure

Simplifying the Future of Metallographic Mounting
As laboratories continue to focus on improving efficiency, repeatability, and quality, UV mounting provides a practical alternative to traditional mounting methods.
By reducing preparation steps, minimizing operator variability, and providing controlled curing performance, UV mounting helps laboratories create consistent samples faster.
Explore how the Buehler SimpliUV® UV Curing Mounting System can simplify your metallographic sample preparation workflow.
