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Mo-W alloys combine the superior properties of two refractory metals, featuring ultra-high melting points and excellent dimensional stability at elevated temperatures, widely adopted for high-temperature structural applications. Different from most hard alloys, Mo-W alloys are relatively softer with better ductility — a characteristic that creates challenges for metallographic sample preparation. When processed on a countertop […]
Alumina ceramics possess outstanding properties including high hardness, superior wear resistance, corrosion resistance and excellent insulation. As widely used structural and functional ceramics, they are applied in electronic insulation parts, precision wear-resistant components, high-temperature shielding, aerospace and metallurgy. Their microstructure directly governs the service performance and lifespan of finished products. Metallographic examination allows clear observation […]
The Han Dynasty marked the golden age of ancient Chinese bronze mirror craftsmanship. Mirrors were predominantly cast from a ternary alloy of lead, tin and copper with a classic ratio roughly 14:5:1. Lead improves the fluidity of molten alloy, enabling sharply defined decorative patterns, stable forming and mass production — a remarkable achievement of Han […]
The cross-sectional morphology of nylon and PET fibers holds critical clues to material performance. Metallographic analysis reveals distinct fiber cross-section geometries—standard circular, custom cross-shaped, hollow or trilobal profiles. These microstructures directly govern fiber luster, hand feel, moisture absorption and mechanical strength. For instance, hollow cross-sections deliver lightweight warmth, while profiled shapes improve moisture wicking. Engineers […]
The annual “China Materials Conference” came to a perfect close on July 17 in Wuhan. As the largest and highest-level national academic event in the field of new materials in China, the three-day conference showcased cutting-edge breakthroughs in energy materials, advanced structural materials, information materials, and other areas. As an enterprise with over two decades […]
WC-10Co4Cr is the ideal protective cermet for HVOF/HVAF thermal spraying, outperforming traditional hard chrome and ordinary tungsten carbide against wear, salt spray and acid-alkali erosion. Key advantages: • Hardness up to HRC 67-70 with outstanding wear resistance • Chromium formula delivers superior anti-corrosion performance • Dense coating with high bonding strength, works under […]
Based in China, TROJAN pays attention to the international market, and has sold metallographic equipment to more than 50 countries, such as Europe, America, Japan and South Korea, Southeast Asia countries and regions
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