Unlocking Superior Brake Performance: How Titanate Chemistry and Particle Size Make the Difference

1 dic 2025
3 Min. de lectura

In the complex world of brake friction materials, achieving the perfect balance between stable performance and minimal wear is the ultimate goal. For vehicle safety and reliability, drivers need to trust that their brakes will perform consistently under a wide range of conditions. At RIMSA, we are constantly pushing the boundaries of material science to meet and exceed these expectations.

Our latest research, "Influence of Titanate Composition and Particle Size on Friction Stability and Wear in Brake Pads," delves into the microscopic world of friction to uncover how specific ingredients can dramatically enhance brake pad performance. This work is part of our collaborative efforts within Innovamat, the joint venture between RIMSA and QUARTZ. Furthermore, this study is part of Innovamat's path to produce a wide range of titanates in its new state-of-the-art facility in Thailand. The study, led by our team of experts, focuses on a key component: platelet titanates.

The Heart of the Matter: Titanates in Focus

Our research investigated two types of platelet titanates—potassium titanate (KT) and potassium-magnesium titanate (KMT)—in both fine and coarse particle sizes. By incorporating these into a non-asbestos organic (NAO), copper-free brake pad formulation, we were able to precisely measure their impact on friction stability and wear resistance.

What did we find? The results were clear and significant:

Chemistry is Crucial: Brake pads containing potassium-magnesium titanates (KMT) formed a more uniform and robust transfer film on the rotor surface. This resulted in improved friction stability and significantly lower wear rates compared to pads with standard potassium titanates.
Size Makes a Difference: Coarser titanate particles consistently led to lower wear, especially at high temperatures. These larger particles act as primary, load-bearing plateaus on the friction surface, enhancing the structural integrity of the tribofilm and protecting the pad from excessive wear.

In essence, by carefully selecting both the chemical composition and the particle size of the titanates, we can engineer a more stable, durable, and reliable friction surface.

The Power of Tribochemistry in Product Development

Understanding why these materials behave the way they do is what sets leading innovation apart. This is the field of tribochemistry—the study of the chemical and physical reactions that occur at the interface between sliding surfaces.

"Understanding the tribochemistry at the braking interface is not just academic; it's fundamental to our innovation process," says Diego Chávez, Senior Researcher at RIMSA. "By precisely analyzing how materials like titanates behave and react under friction, we can move beyond trial-and-error and engineer solutions tailored to our clients' specific performance needs. This deep dive into the 'why' behind friction and wear allows us to develop more stable, durable, and reliable braking solutions."

This research-driven approach allows us to proactively design friction formulas that solve specific challenges, whether it's for high-performance vehicles, heavy-duty applications, or the quiet, smooth braking required by the modern automotive market.

What This Means for Our Customers

Our investment in fundamental research directly translates into tangible benefits for our clients:

Enhanced Durability: Brake pads designed with these insights last longer, even under demanding conditions.
Consistent Performance: Reliable and stable friction means predictable braking from the first stop to the last.
Innovative Solutions: Our deep material knowledge enables us to create custom formulations that meet the evolving standards of the automotive industry.