#thermal analysis

Physicists shed X-ray light on melting polymers

Physicists from the Moscow Institute of Physics and Technology (MIPT) and Lomonosov Moscow State University have combined thermal analysis and X-ray scattering—two techniques for studying crystal structure—in one experimental setup to investigate semicrystalline polymers. Over 100 million tons of such polymers are produced annually to make fabrics, packaging materials, neural prosthetics, and more. An in-depth understanding of the structure and behavior of these materials is necessary for synthesizing and processing polymers that do not fail even under extreme conditions and in specialized applications. The research findings were published in ACS Macro Letters and are featured on the cover of the journal.

By observing how a material behaves at changing temperatures, one can determine its heat capacity and some other thermal properties. This principle underlies thermal analysis, a set of staple techniques for materials research. The authors found that thermal analysis may produce false results when applied to semicrystalline polymers. To find and correct the flaws in the data characterizing the material, the physicists improved the design of the calorimeter—the principal device in their thermal analysis experiment—as well as making X-ray images of the sample along the way.

A thermoanalytical experiment runs the risk that the structure of the sample under investigation can change uncontrollably, as it is being heated. If this happens, the findings themselves will apply to some uncontrolled modification of the original material. This is especially true for semicrystalline polymers, whose metastable structure is not only sensitive to temperature but also depends on the thermal history of the sample.

Heat is one of the biggest enemies of any modern product. Whether it's a smartphone in your pocket, an electric vehicle battery, a power converter, or a densely packed circuit board, every device generates heat when it works — and if that heat isn't managed properly, performance drops, components fail early, and safety is put at risk. This is where thermal analysis services become essential, helping engineers understand and control heat long before a product is ever built.

Image Description:

A thermal simulation showing heat distribution across an electronic component, with red hotspots marking the areas at greatest risk of overheating. This is the insight thermal analysis provides to optimize cooling, prevent failure, and extend product life before manufacturing.

What Is Thermal Analysis?

Thermal analysis is a simulation method used to predict how heat is generated, moves, and builds up within a product or system. Using tools like CFD (Computational Fluid Dynamics) and thermal FEA, engineers create a digital model of a device and calculate exactly how temperature will behave across every part of it — under real operating conditions.

Instead of building a physical prototype and measuring temperatures with sensors, engineers can see the complete thermal picture on screen: where hotspots form, how heat spreads through materials, whether cooling is sufficient, and how the design will behave over time. This turns heat from an invisible risk into something measurable and manageable.

Where Thermal Analysis Makes the Biggest Difference

Professional thermal analysis services are used across almost every industry that builds powered products:

Electronics and semiconductors — preventing chips, processors, and circuit boards from overheating and throttling.

EV batteries and power systems — keeping battery packs within safe temperature limits and preventing thermal runaway.

Power electronics — managing heat in inverters, converters, and chargers where high current creates intense localized heating.

LED and lighting — extending lifespan by controlling junction temperatures.

Industrial equipment — ensuring motors, enclosures, and machinery run within safe thermal margins.

The Real Benefits

Companies invest in thermal analysis because of the tangible results it delivers:

Preventing overheating and failure. Excess heat is one of the leading causes of product failure. Identifying hotspots in simulation means they can be fixed before they cause damage in the field.

Better performance. Many devices slow themselves down when they get too hot. Good thermal design keeps products running at full performance without throttling.

Longer lifespan. Heat accelerates wear and degradation. Controlling temperature directly extends how long a product lasts.

Fewer prototypes and lower cost. Testing thermal behavior physically is slow and expensive. Simulation lets engineers optimize cooling early, reducing the number of costly physical builds.

Optimized cooling. Thermal analysis shows exactly where cooling is needed, so engineers can size heat sinks, fans, and cooling systems precisely — avoiding both under-cooling and expensive over-cooling.

Why Getting It Right Requires Expertise

Thermal analysis is powerful, but only when done correctly. Accurate results depend on realistic material properties, correct boundary conditions, proper meshing, and a solid understanding of how heat transfers through conduction, convection, and radiation. A poorly set up analysis can look convincing while giving misleading results. This is why thermal analysis is best handled by experienced engineers who understand both the simulation tools and the underlying physics.

Getting Started

If your products generate heat and you currently rely on physical testing or educated guesswork to manage it, the best first step is to analyze your most heat-sensitive or most failure-prone component. Model it accurately, compare the results against any real temperature data you have, and use that confidence to bring thermal analysis earlier into your design process.

In a world where products keep getting smaller, more powerful, and more densely packed, managing heat is no longer optional. Thermal analysis gives engineers the insight to design products that run cooler, perform better, and last longer — all validated in simulation before manufacturing ever begins.