AlCN

AlCN is an aluminum carbonitride ceramic compound that combines aluminum with carbon and nitrogen, typically produced through physical vapor deposition or other synthesis routes. It is primarily investigated as a hard coating material and structural ceramic, particularly valued in cutting tool applications, wear-resistant surfaces, and high-temperature protective coatings where superior hardness and thermal stability are required. AlCN offers potential advantages over traditional aluminum nitride (AlN) or aluminum carbide (Al₄C₃) by combining the properties of both phases, making it a candidate for next-generation machining tools, anti-wear coatings on industrial equipment, and thermal barrier applications—though it remains less established in production than conventional alternatives.