Trojan Metallography, Jiangsu Province Suzhou Cit, Suzhou (2026)

12/02/2026

Trojan Invites You to APEX EXPO 2026 | Explore PCB Metallography Solutions

🎉 APEX EXPO 2026 IS COMING! Join Trojan in Anaheim, CA 🇺🇸

📅 Date: March 17-19, 2026

📍 Booth: 4100

✨ As North America’s premier electronics industry event, APEX EXPO 2026 gathers PCB manufacturers, OEMs, and industry professionals worldwide to explore cutting-edge technologies and network with peers.

🤝 TROJAN INVITES YOU!

Visit us to dive deep intocustom PCB metallography solutions tailored for electronics manufacturing. We’ll help you solve PCB sample prep pain points, optimize quality control, and elevate your production efficiency.

Discover our professional metallography equipment and workflows—designed to support PCB fabrication, assembly, and test needs, aligned with the latest industry trends from the expo.

Don’t miss the chance to connect with our experts, discuss your PCB metallography challenges, and unlock tailored solutions that drive your business forward.

See you at APEX EXPO 2026! Let’s shape the future of PCB manufacturing together 🚀

11/02/2026

Trojan VP-430 Vibratory Polisher | EBSD/AFM Sample Perfector

✨ VIBRATORY POLISHING: THE KEY TO EBSD/AFM SAMPLE EXCELLENCE

Quickly remove micro-scratches & deformation layers from mechanical polishing — get a smooth, stress-free surface that meets EBSD/AFM standards!

✅ Better than electrolytic/ion polishing:

No corrosive/explosive electrolytes. No expensive equipment. Suitable for all materials & mixed materials.

🔥 TROJAN VP-430: YOUR ULTIMATE VIBRATORY POLISHING TOOL

• Special vibration motor for nearly horizontal (X/Y) vibration

• Maximizes sample-polish cloth contact time

• Removes surface deformation layers more effectively

💡 Prep Tips:

• Use 0.02~1μm diamond/oxide suspension (silica is most common)

• Choose medium-short nap polish cloth for uniform results

• Keep cloth moist (prevent solvent evaporation)

• Clean polish cloth thoroughly after use (avoid residue buildup)

Trojan VP-430 = reliable, cost-effective vibratory polishing for perfect metallographic samples — every time.

📩 Contact us to upgrade your EBSD/AFM sample prep workflow.

10/02/2026

Titanium Alloy Metallographic Sample Preparation | Trojan Solutions

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 hardening.

✅ Mounting:Use low-shrinkage edge-preserving compounds to prevent gaps and edge rounding.

✅ Grinding & Polishing:Step-by-step wet grinding + diamond/silica polishing to remove deformation layers completely.Achieve scratch-free, flat, clean surfaces for clear metallographic observation.

✅ Observation:Ideal surface quality for clear microstructure analysis.

With Trojan metallography solutions, you get stable, repeatable, and high-quality titanium alloy samples every time.

$🔎 EBSD Sample Preparation for Alloy SteelEBSD (Electron Backscatter Diffraction) is a "microscopic perspective lens" for...$

09/02/2026

🔎 EBSD Sample Preparation for Alloy Steel

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 optimizing rolling and heat treatment processes and troubleshooting failure risks, serving as a core tool to shift alloy steel development from "empirical R&D" to "precision control".

Sample preparation is the prerequisite for successful EBSD analysis, which requires a flat sample surface free of contamination and deformation layers. Mechanical polishing tends to introduce plastic deformation layers that mask the true microstructure; residual deformation layers, internal stress or surface contamination will lead to a sharp drop in indexing rate. A strict combined process of step-by-step mechanical grinding & polishing + vibratory polishing is essential to obtain high-resolution samples and reliable EBSD data.

The Trojan VP-430 Vibratory Polisher is a powerful tool for sample preparation that greatly improves the quality of EBSD Kikuchi patterns and significantly boosts work efficiency. Specially designed for polishing soft and ductile materials, it is ideal for titanium, aluminum, pure copper and copper alloys, aluminum alloys, steel and nickel-based alloys—a true must-have for EBSD sample preparation.

Recommended EBSD Sample Preparation Protocol

1️⃣ : Grind the sample to a flat surface with P400 metallographic sandpaper.

2️⃣ : Perform fine grinding with a POS grinding disc + 9μm PD-WT polishing fluid.

3️⃣ : Polish with an SC-JP polishing cloth + 3μm PD-WT polishing fluid.

4️⃣ : Polish with a ZN-ZP polishing cloth + SO-T401 50nm polishing fluid.

5️⃣ : Conduct vibratory polishing with a ZN-ZP polishing cloth + SO-T401 50nm polishing fluid.

06/02/2026

📢 TROJAN HOLIDAY NOTICE | Feb 13-24 📢

To our valued clients & partners,

Trojan will be on holiday from Feb 13 to Feb 24.

⚠️ Factory Production: Temporarily Suspended

✅ Sales Service: Business As Usual

Our sales team remains available to assist with inquiries, quotes & order consultations during the holiday period. We appreciate your understanding and continued support!

Wishing you a smooth and productive period ahead 🤝

03/02/2026

🔎 Metallographic Preparation of Magnetic Core Samples

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 efficient components.

✅ Energy conversion: Facilitate the mutual conversion of electrical and magnetic energy in transformers and inductors for voltage transformation and energy storage.

✅ Filtering & anti-interference: Suppress high-frequency noise, ensure the smooth transmission of useful signals, and enhance device stability.

Simply put, a magnetic core is the magnetic field manager of electronic devices. By regulating the flow of magnetic fields, it enables voltage transformation, energy storage, filtering and anti-interference in equipment, serving as the cornerstone of modern power electronics and information communication technologies.

Sample Preparation Parameters & Metallographic Results Appreciation

1️⃣ Grinding: MET-SP P600-2500

2️⃣ Rough Polishing: SC polishing cloth + 3μm PD-WT polycrystalline diamond

3️⃣ Fine Polishing: SC polishing cloth + 1μm PD-WT polycrystalline diamond

4️⃣ Final Polishing: ZN polishing cloth + SO-A439 polishing solution

02/02/2026

TROJAN 20th Anniversary Grand Event: A Perfect Closing & A Brighter Future! 🎉
Our TROJAN 20th Anniversary Grand Event has come to a glorious end—what an unforgettable journey filled with gratitude, celebration, and shared achievements!
For 20 years, we’ve stayed committed to metallographic equipment and consumables, grown with our global partners, and forged unbreakable bonds with every customer who trusted our brand. This grand gathering brought together our team, partners, and friends to honor the past, cherish the present, and look ahead to the next chapter of excellence.
Thank you to everyone who joined us, supported us, and walked this 20-year path with TROJAN. The celebration may end, but our pursuit of quality and service never stops. Here’s to 20 amazing years, and to many more milestones together in the future! 🚀

30/01/2026

🔎 Thermal spraying on aluminum alloys is intended to compensate for shortcomings like low hardness and poor corrosion resistance via surface strengthening, thereby expanding its applications in harsh environments. This process relies heavily on metallographic analysis for quality control and optimization.

Before spraying, metallography is used to evaluate the substrate microstructure, ensuring a sound foundation for bonding. After spraying, it serves as a core method for inspecting coating performance: microscopic observation enables precise analysis of the coating-substrate interface bonding quality, as well as porosity, cracks and phase distribution inside the coating. These microstructures directly determine the coating’s bonding strength, corrosion resistance and wear resistance.

Thus, in-depth metallographic analysis is an indispensable key step for scientifically optimizing processes and ensuring the reliability and service life of coating performance.

Polishing Solution with Alpha610 Automatic Grinding & Polishing Machine:

1️⃣ P400 SiC sandpaper + water

2️⃣ POS grinding disc + 9μm PD-WT polycrystalline diamond

3️⃣ YS-JP polishing cloth + 3μm PD-WT polycrystalline diamond

4️⃣ ZN-JP polishing cloth + 50nm T401 silica polishing solution

29/01/2026

TROJAN Alpha610 Automatic Grinder: Precision for Labs, Efficiency for Industrial Batch Prep! ⚙️

Ideal for both industrial batch grinding and lab precision—Alpha610’s 3 core functions deliver consistent, reliable results every time.

✅ Center Loading: Stable, uniform grinding for large batch industrial samples, no rotation errors.

✅ Single Point Loading: Flexible, precise control for lab testing, independent pressure per sample.

✅ Quantitative Grinding: accuracy±50um, eliminates human error—perfect for lab analysis & industrial quality control.

Effortlessly handle batch workflows while meeting strict lab precision standards. Trust TROJAN for metallographic excellence.

28/01/2026

Ever wondered how to inspect the micro-structure of smartphone speakers? 🎧

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 → Grind to target edge

2️⃣ P400 resin-bonded diamond disc → Finish grinding to target area

3️⃣ POS disc + 9μm PD-WT slurry → Fine grinding

4️⃣ SC-JP cloth + 3μm PD-WT slurry → Rough polishing

5️⃣ ET-JP cloth + 0.05μm AO-W alumina slurry → Final polishing

Elevate your consumer electronics quality control with Trojan's metallographic solutions!

23/01/2026

Metallographic Prep for Aluminum Alloy Coatings: Beat Hardness Differences! ⚡

The biggest challenge? The huge hardness gap between soft aluminum substrates and dense, hard coatings—prone to edge chamfering, peeling, scratches, and structural artifacts.

Our solution? A damage-minimizing, interface-clearing process:

✅ Cold Mounting First: Use high-hardness epoxy (e.g., TJ2568) + 4.5:1 resin-curing agent ratio. Pressure-cure to avoid bubbles, protecting coatings from thermal/pressure damage.

✅ TROJAN 4-Step Grinding & Polishing:

P400 sandpaper: Flat cross-section + remove cutting marks (even pressure!).

POS disc + 9μm polycrystalline diamond: Erase deep scratches/deformed layers.

SC cloth + 3μm polycrystalline diamond: Refine surface for mirror finish.

ZN cloth + 50nm silica solution: Zero minor scratches—get a true, high-reflectivity surface.

Result? Sharp, flat interfaces between aluminum matrix, nickel intermediate layer & tin topcoat—no prep defects! Perfect for analyzing adhesion and diffusion resistance.

22/01/2026

🔎 Metallographic Preparation of SMD Resistor Samples

As a core passive component in the modern electronics industry, SMD Resistors (Surface Mount Device Resistors) are the "invisible workhorses" with the highest usage in electronic equipment. Featuring a lead-free design, they are directly mounted on circuit boards via surface mount technology (SMT). Constructed with an alumina ceramic substrate, paired with metal-glass glaze or vacuum-sputtered alloy resistor films, they are manufactured through precision processes.

Key advantages of this component: Compact size for high-density packaging, resistance to high temperatures and humidity, low temperature coefficient, and precision as high as ±0.01%. Widely used in consumer electronics, 5G base stations, automotive electronics, and other fields, they quietly perform critical functions such as current limiting and voltage division.

The structural morphology and dimensional specifications of the electroplated nickel and tin layers at both ends directly determine the long-term operational stability of the component. To clearly reveal the cross-sectional microstructure of these two layers, here’s a reference for the metallographic preparation process of SMD Resistors:

1️⃣ Grind to the edge of the target position using a P400 resin-bonded diamond grinding disc;

2️⃣ Fine grinding to the target position with a POS grinding disc + 9μm PD-WT polycrystalline diamond;

3️⃣ Rough polishing with SC-JP polishing cloth + 3μm PD-WT polishing slurry;

4️⃣ Final polishing with ZN-ZP polishing cloth + SO-T439 50nm polishing solution.

Trojan Metallography

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