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Monday 09:00 - 18:00 Tuesday 09:00 - 18:00 Wednesday 09:00 - 18:00 Thursday 09:00 - 18:00 Friday 09:00 - 18:00

JL MAG Innovation Co., Ltd., West Jinling Road, Development Zone Ganzhou City, P. R., Ganzhou (2026)

28/05/2026

🧲 What Is Magnet Magnetization?

Have you ever wondered how a piece of metal becomes a powerful magnet?
The answer is — Magnetization. ⚡

Magnetization is the process of applying a strong external magnetic field to a magnetic material, causing its internal magnetic domains to align in the same direction. Once these tiny magnetic domains become ordered, the material gains magnetic force and officially becomes a magnet.

🔍 Simply put:
Before magnetization → magnetic domains are disordered
After magnetization → magnetic domains align uniformly, creating a strong magnetic field

⚙️ Common Magnetization Methods:
✔ Pulse magnetization
✔ DC magnetization
✔ Multi-pole magnetization

Different magnet shapes, materials, and applications require different magnetizing methods and magnetic field strengths.

🛠 Why Is Magnetization Important?
The magnetization process directly affects:
• Magnetic strength
• Magnetic consistency
• Product stability
• Performance in motors, speakers, sensors, and industrial equipment

Without proper magnetization, even high-quality magnetic materials cannot achieve their full performance potential.

From NdFeB magnets to ferrite and SmCo magnets, magnetization is one of the most critical steps in permanent magnet manufacturing.
Click to learn more: https://jlmag-innovation.com/products/
Email: [email protected]

27/05/2026

🧲 Grain Boundary Diffusion Technology in NdFeB Permanent Magnets

How can high-performance NdFeB magnets achieve stronger coercivity while reducing heavy rare earth consumption?
The answer lies in — Grain Boundary Diffusion (GBD) technology.

🔍 What is Grain Boundary Diffusion?
Instead of uniformly adding heavy rare earth elements like Dy or Tb into the entire magnet, GBD technology allows these elements to diffuse from the magnet surface into the grain boundaries through specialized heat treatment.

This creates a localized “core-shell” structure around the magnetic grains, improving performance more efficiently.

💡 Key Advantages:
✔ Higher coercivity
The diffusion layer forms a high-anisotropy shell that helps pin domain walls and suppress demagnetization, significantly improving magnetic stability.
✔ Better high-temperature performance
Magnets maintain stronger magnetic properties under demanding thermal environments.
✔ Reduced heavy rare earth usage
Compared with traditional doping methods, GBD technology can reduce heavy rare earth consumption by 50%–70%, lowering both cost and resource dependence.
✔ Better remanence retention
Less impact on magnetic flux density, helping preserve stronger overall magnetic performance.
✔ Improved corrosion resistance
Optimized grain boundary phases help reduce oxidation tendency and enhance durability.

⚙️ Typical Process:
• Surface coating with Dy/Tb metals, fluorides, or oxides
• Controlled heat treatment for element diffusion
• Microstructure optimization to form core-shell magnetic grains

Today, Grain Boundary Diffusion technology has become one of the key directions in manufacturing high-performance NdFeB magnets, helping balance coercivity, remanence, cost, and resource efficiency. 🌍
Click to learn more: https://jlmag-innovation.com/products/
Email: [email protected]

26/05/2026

🧲 Surface treatment plays a critical role in the performance and durability of irregular magnetic assemblies. Complex shapes and unique structures often require specialized coating processes to ensure corrosion resistance, bonding reliability, and long-term magnetic stability.

From electroplating to advanced protective coatings, choosing the right surface treatment can help:
✅ Improve corrosion resistance
✅ Enhance product durability
✅ Maintain magnetic performance
✅ Meet demanding industrial application requirements

Want to learn more about the challenges and solutions for surface treatment of irregular magnetic assemblies? Read the full article below👇
https://jlmag-innovation.com/understanding-surface-treatment-processes-for-irregular-magnetic-assemblies-7424/industry/

25/05/2026

🧲 Ferrite Magnets — Reliable, Cost-Effective & Widely Used

Ferrite magnets are known for their excellent corrosion resistance, stable magnetic performance, and affordable cost, making them one of the most widely used permanent magnets in the world.

✅ Strong resistance to rust and chemicals
✅ Stable performance in various environments
✅ Cost-effective for mass production
✅ Ideal for motors, speakers, sensors, and household appliances

From industrial equipment to everyday electronics, ferrite magnets continue to power countless applications with dependable performance.
Click to learn more:https://jlmag-innovation.com/products/
Email: [email protected]

21/05/2026

🔬 NdFeB Surface Treatment — Electrophoretic Coating (E-Coating)

In high-performance NdFeB (neodymium iron boron) magnets, surface protection is critical for ensuring long-term stability and corrosion resistance. Electrophoretic coating (E-coating) is one of the most advanced and widely used surface treatment technologies.

⚙️ Basic Principle
NdFeB magnets are used as electrodes and immersed in a water-based dispersion containing charged resin particles and pigments.
Under a DC electric field:
Oppositely charged resin particles migrate toward the magnet surface
Particles discharge and deposit uniformly on the surface
A dense, water-insoluble coating is formed
After removal, the coating is rinsed and heat-cured to create a final protective film
🧪 Pre-Treatment Process
To ensure coating performance, strict surface preparation is required:
✔ Degreasing / Oil Removal
Removes oils and contaminants from the magnet surface.
✔ Acid Cleaning / Rust Removal
Removes oxide layers and rust. Process parameters must be carefully controlled to avoid over- or under-etching.
✔ Surface Conditioning
Activates the surface and promotes uniform phosphate crystal formation.
✔ Phosphating / Passivation
Forms an insoluble porous phosphate layer (commonly zinc or iron phosphate), which:
Improves corrosion resistance
Enhances coating adhesion through mechanical anchoring
Reduces electrochemical corrosion between coating and substrate
✔ Rinsing (including DI Water Rinse)
Each step is followed by thorough rinsing to prevent chemical contamination and ensure coating quality. Final rinsing uses deionized water for maximum purity.

⚡ Key Advantages of E-Coating
✨ Excellent Uniformity
Strong “throwing power” ensures even coverage on complex shapes, edges, and internal cavities.
📏 Precise Film Thickness Control
Coating thickness can be accurately controlled via voltage, time, temperature, and solids content.
🧱 Superior Coverage & Filling Ability
Effectively covers micro-pores and surface irregularities.
🛡️ Strong Edge Protection
Ensures continuous coating even on sharp edges.
🌧️ High Corrosion Resistance
Dense, defect-free film provides strong physical and chemical protection. Combined with phosphating, salt spray resistance can reach 72 hours to several hundred hours or more.
🎨 Flexible Color Options
Different pigments allow a wide range of appearance customization.
⚙️ High Production Efficiency
Suitable for automated mass production lines with strong throughput.
🌱 Eco-Friendly Process
Water-based system with low solvent content and high material utilization (up to 95%), making it more environmentally friendly and easier to manage waste.
Click to learn more: https://jlmag-innovation.com/products/
Email: [email protected]

20/05/2026

Why do NdFeB magnets need nickel plating? 🧲✨
NdFeB (Neodymium Iron Boron) magnets are among the strongest permanent magnets available, but they have one major weakness: they corrode easily.

Because the material contains highly reactive elements such as neodymium (Nd) and iron (Fe), uncoated magnets can quickly rust, oxidize, and even crumble when exposed to moisture or harsh environments. This can lead to magnetic performance loss and premature failure.

🔹 Why Nickel Plating Matters
✅ Excellent Corrosion Resistance
Nickel plating forms a durable protective barrier that shields the magnet from humidity, oxidation, and chemical exposure.
✅ Improved Wear Resistance
Nickel is much harder than zinc or copper coatings, helping protect magnets from scratches and impact during transportation and assembly.
✅ Attractive Appearance
The silver-white metallic finish is smooth, bright, and professional-looking.
✅ Good Conductivity & Solderability
Nickel-plated magnets are easier to solder and integrate into electronic and industrial assemblies.
✅ Cost-Effective Solution
Nickel electroplating is a mature and economical process, making it ideal for large-scale production.

🔹 Common Plating Structures
To achieve higher corrosion resistance, manufacturers often use multilayer coatings such as:
• Ni-Cu-Ni (Nickel-Copper-Nickel)
• Double Nickel Layers (Semi-bright Nickel + Bright Nickel)
These structures significantly improve coating adhesion and long-term durability.

🔹 Quality Control is Essential
A high-quality nickel coating depends on strict control of:
• Coating thickness
• Adhesion strength
• Uniformity
• Porosity
• Salt spray test performance

🔹 For Harsh Environments
In marine, high-humidity, or chemically aggressive conditions, nickel plating alone may not be sufficient. Additional protection such as electroless nickel or epoxy coatings may be recommended.

📌 Conclusion
Nickel plating is one of the most important surface treatments for NdFeB magnets. It effectively protects against corrosion, enhances durability, and improves both appearance and functionality.
Choosing the right coating solution depends on your application environment, shape complexity, aesthetic requirements, and budget.
Click to learn more: https://jlmag-innovation.com/products/
Email: [email protected]

19/05/2026

What if the future of high-performance magnets didn’t depend entirely on rare earth materials?

As global industries push for more sustainable and cost-effective solutions, researchers and manufacturers are exploring a new generation of rare earth-free permanent magnet technologies. These innovations could reshape the future of electric vehicles, wind power, robotics, and advanced industrial equipment.

At JLMAG Innovation, engineers are closely following and advancing developments in next-generation magnetic materials while continuing to deliver world-class permanent magnet solutions for high-tech applications. JLMAG is a global leader in high-performance NdFeB magnets, with extensive R&D capabilities and a strong focus on innovation and sustainability.

In this article, you'll discover:

🔹 Why rare earth-free magnets are attracting worldwide attention
🔹 The key materials and technologies under development
🔹 Challenges in achieving high magnetic performance without rare earths
🔹 Potential applications in EVs, renewable energy, and automation
🔹 How these technologies may transform the permanent magnet industry

As demand for efficient and environmentally responsible materials continues to grow, understanding these emerging technologies can help businesses stay ahead of industry trends.

👉 Read the full article here:
https://jlmag-innovation.com/exploring-new-rare-earth-free-permanent-magnet-technologies-7428/industry/

18/05/2026

Not all magnets are created equal.

Rubber magnets combine flexible rubber materials with magnetic compounds such as ferrite or neodymium, offering versatile solutions in sheet, strip, and custom shapes for a wide range of industrial and commercial applications.

For even greater durability, rubber-coated magnets feature powerful neodymium magnets mounted on steel plates and protected with high-quality TPV or EPDM rubber. This protective coating delivers excellent resistance to corrosion, impact, and environmental wear while providing a strong non-slip surface for secure attachment.

Designed to withstand demanding conditions, rubber-coated magnets are widely used for mounting, fixing, and holding applications in aquariums, construction sites, automotive systems, and outdoor environments.

Strong magnetic performance. Superior protection. Reliable in every application.
Click to learn more: https://jlmag-innovation.com/magnetic-materials/
Email: [email protected]

14/05/2026

Smooth edges. Better performance. Higher consistency.

The BC-4 Edge-Rounding Machine is an essential piece of equipment in permanent magnet manufacturing, especially for Materials Science and precision finishing of Neodymium Magnet components.

By rounding sharp edges after cutting and grinding, the machine helps:

✅ Reduce chipping and cracking during handling and coating
✅ Improve coating adhesion and corrosion resistance
✅ Enhance dimensional consistency
✅ Increase production yield and product reliability
✅ Prepare magnets for high-performance applications

This process is particularly important for NdFeB Magnet production, where brittle materials require careful edge treatment before plating and assembly.

From electric motors to new energy systems, high-quality magnets start with precision processing.
Click to learn more: https://jlmag-innovation.com/magnet-related-equipment/
Email: [email protected]

13/05/2026

⚡ Axial Flux Motors and Permanent Magnets: The Key to High Power Density
Why are NdFeB Magnet materials so important in next-generation electric motors?

The answer lies in Axial Flux Motor technology.
✅ Permanent Magnets: The Source of the Magnetic Field
High-performance NdFeB magnets are mounted on the rotor disc, creating alternating north and south poles that generate a strong and stable magnetic field without external excitation.
✅ Higher Magnet Utilization
In axial flux motors, nearly the entire surface area of the magnets actively contributes to torque generation, allowing the same amount of magnetic material to deliver greater output.
✅ Superior Thermal Management
The compact disc-shaped structure provides short heat dissipation paths, helping protect magnets from demagnetization and enabling reliable operation under high loads and elevated temperatures.
✅ Flexible Multi-Disc Design
Configurations such as stator-rotor-stator can create multiple magnetic circuits within a compact structure, significantly increasing torque and power.
✅ Better Mechanical Integration
The axial structure offers advantages in managing mechanical stresses, supporting high-speed applications more effectively.

🚗 From electric vehicles to aerospace and industrial drives, axial flux motors are unlocking new possibilities—and high-quality permanent magnets are at the core of their performance.
Click to learn more: https://jlmag-innovation.com/products/
Email: [email protected]

12/05/2026

✨ How to Improve the Magnetic Performance of Permanent Magnets?

Permanent magnets are widely used in motors, automotive systems, wind power, robotics, and industrial applications—but their performance depends heavily on material design, microstructure, and advanced engineering processes.

In modern rare-earth magnet technology, performance improvements are achieved through key methods such as grain boundary diffusion, microstructure optimization, and precise manufacturing control. These technologies help enhance key magnetic properties like coercivity, stability, and energy efficiency under demanding working conditions. ⚙️

🔬 Key factors that improve magnetic performance:
• Advanced rare-earth material composition (NdFeB-based systems)
• Grain boundary diffusion technology for stronger coercivity
• Microstructure control for better stability and consistency
• Precision machining and strict quality control in production
• Application-specific magnetic design optimization

With continuous innovation, high-performance permanent magnets are becoming more efficient, stable, and widely used across new energy vehicles, industrial motors, wind power, and automation systems.

📖 Want to explore more technical insights and detailed explanations?

👉 Read the full article here:
https://jlmag-innovation.com/how-to-improve-the-magnetic-performance-of-permanent-magnets-7413/industry/

JL MAG Innovation Co., Ltd.

28/05/2026

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Monday	09:00 - 18:00
Tuesday	09:00 - 18:00
Wednesday	09:00 - 18:00
Thursday	09:00 - 18:00
Friday	09:00 - 18:00