Metallographic Analysis

Faced with global energy shortages and growing environmental concerns, lithium-ion batteries have become the core solution for energy storage and power applications, thanks to their high energy density and long cycle life. They are widely adopted in power station energy storage systems, UPS communication power supplies, electric vehicles, aerospace and military equipment, with applications continuing […]

Niobium-titanium alloys feature outstanding corrosion resistance, high specific strength, excellent biocompatibility and superconducting properties. They are widely applied in critical fields including medical implants, aerospace, superconducting magnets, nuclear energy and chemical engineering, serving as core structural materials for high-end precision manufacturing. The mechanical properties and stability of the alloy are entirely determined by its microstructure. […]

Metallographic inspection of aluminum‑scandium alloys is critical for ensuring their high‑performance applications. It serves as an indispensable quality control method for process monitoring, parameter optimization, and reliable use in aerospace, high‑end equipment, and other advanced fields. As one of the most effective microalloying elements for strengthening aluminum alloys, scandium significantly refines grains and forms thermodynamically […]

Nitriding is a low-temperature surface chemical heat treatment process that diffuses nitrogen atoms into the steel surface at 500-580℃. No subsequent quenching is needed, yet it drastically boosts the workpiece’s surface hardness, wear resistance, corrosion resistance and fatigue strength—with minimal deformation. It’s a core process in high-end mechanical manufacturing, widely applied to precision load-bearing components […]

The Yuan Dynasty fire lance is the earliest surviving metal tubular shooting firearm in China and even the world—a true milestone in ancient thermal weapons! In the early and middle periods, it was mainly cast from bronze alloys with a sophisticated copper-tin-lead ratio: boasting excellent toughness and chamber pressure resistance, it rarely suffered from barrel […]

As an ideal material for lightweight and functional applications, porous titanium alloy combines the high strength of titanium with the unique advantages of a porous structure. It not only significantly reduces weight and provides a large specific surface area, but also features excellent biocompatibility and energy absorption capacity. It has been widely used in orthopedic […]

Thermal spraying is an advanced surface engineering technology that heats materials to a molten or semi-molten state, then sprays them onto a substrate surface at high velocity to form a functional protective coating. Like applying custom-made armor to workpieces, it significantly improves key properties including wear resistance, corrosion resistance, high-temperature resistance, thermal insulation, electrical insulation […]

Titanium alloys are strategic materials for aerospace, medical & high-end industries. However, they are difficult to prepare due to heat sensitivity, edge rounding, and deformation layers. Here is the optimized metallographic preparation workflow fully compatible with Trojan equipment: ✅ Cutting:Use Trojan Tablecut 200 precision cutter with dedicated blades to avoid overheating, burning, sticking, and work […]

EBSD (Electron Backscatter Diffraction) is a “microscopic perspective lens” for the R&D and quality control of alloy steel! It accurately captures core microstructural information including grain orientation, grain boundary characteristics, phase distribution and dislocation density, revealing the correlation between microstructure and mechanical properties such as strength, toughness and corrosion resistance. It provides direct evidence for […]

Magnetic cores are magnetic components made of ferromagnetic materials (e.g., iron, silicon steel, ferrite), designed to concentrate and guide magnetic fields. They are indispensable core parts in numerous electronic and electrical devices. Key Functions of Magnetic Cores ✅ Magnetic field concentration: Gather the magnetic field generated by coils to boost inductance, enabling more compact and […]

As the core acoustic component of mobile devices, smartphone speakers rely on precision micro-welding and assembly to deliver Hi-Fi sound in ultra-slim designs. Their performance & lifespan depend entirely on coil weld quality, magnetic coating uniformity, and component fit accuracy. Check out our metallographic sample prep workflow for crystal-clear micrographs: 1️⃣ P180 SiC disc → […]

In the industrial kingdom woven by steel and iron, welds never seek the spotlight, yet they hold the core power to prop up countless pieces of equipment and projects, truly deserving the name of invisible “life veins”. From the steel structures of bridges spanning rivers, to the aero-engines soaring through the sky; from the shells […]

As high-performance heat transfer components, finned tubes boost heat exchange area dramatically by adding fins to the base tube surface. This enables more compact, efficient heat transfer—making them indispensable across key industrial sectors. The welding quality between fins and base tube is non-negotiable for equipment safety & lifespan. Secure metallurgical bonding is a must to […]

In the manufacturing of drill bits and cutting tools, metallographic inspection of metal powders prior to sintering serves as the fundamental guarantee for quality control. By preparing and observing raw powder samples, the internal microstructure can be directly evaluated—including the degree of pre-alloying, morphology of primary carbides, and purity—thus predicting the uniformity of the sintered […]

When it comes to gypsum rock, don’t just think of construction gypsum boards! This sedimentary rock formed from calcium sulfate minerals has plenty of hidden talents. Its formation dates back to ancient oceans or lakes. As water evaporated, calcium sulfate crystals gradually precipitated and compacted, eventually forming the gypsum rock we see today. It is […]

Thermal spray coating is known as the “protective armor” for industrial components, widely used in machinery, aerospace, energy and other fields. It not only provides wear-resistant protection for easily worn shafts and blades, but also builds a corrosion-resistant barrier for pipelines and containers in corrosive environments. Additionally, it can realize functions such as heat insulation […]

New energy power battery modules impose extremely high requirements on the reliability of electrical connections. Aluminum busbars, thanks to their excellent electrical conductivity and lightweight characteristics, have become key connecting components inside the modules. Laser welding technology, with its advantages of high energy density and precise heat input, effectively resolves process challenges such as oxidation […]

Aluminum, a lightweight metal with balanced properties, is limited in high-end applications by its inherent insufficient strength and heat resistance. Aluminum matrix composites achieve performance breakthroughs by incorporating nano-scale or micro-scale reinforcement particles, while retaining aluminum’s excellent characteristics. Through interactions with dislocations (such as hindrance and surrounding) and load transfer effects, reinforcement particles effectively impede […]