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Aikerly provides engineering-driven magnesium alloy thermal management solutions, helping designers replace conventional aluminum components with lightweight structures that combine heat dissipation, electromagnetic shielding, and structural optimization.
Magnesium Alloy Heat Sink Solutions
Magnesium Alloy Heat Sink Solutions
Lightweight Thermal Management & EMI Shielding for Next-Generation Applications
Traditional aluminum heat sinks have served industry for decades. However, as electric vehicles, drones, high-performance electronics, and intelligent systems continue to evolve, engineers are facing new challenges:
Weight reduction requirements for extended battery life and mobility
Increasing thermal loads from high-power electronic components
More demanding electromagnetic compatibility (EMC/EMI) requirements
Limited space for integrated lightweight structures
Why Magnesium Alloy for Advanced Heat Management?
1. Significant Weight Reduction
Magnesium alloys have a density of approximately:
1.74–1.85 g/cm³
Compared with aluminum alloys:
Approximately 35% lighter than aluminum
Approxmately 78% lighter than steel
For weight-sensitive applications, magnesium enables engineers to reduce component mass while maintaining structural performance.
Typical applications:
EV battery thermal management components
UAV and drone structures
Portable electronics
Lightweight industrial equipment
2. Integrated EMI Shielding Capability
Magnesium is electrically conductive and provides natural electromagnetic shielding capability.
Depending on:
Alloy composition
Frequency range
Component thickness
Structural design
magnesium alloy housings and heat dissipation structures can achieve:
EMI shielding effectiveness: 55–70 dB
This makes magnesium suitable for applications requiring both:
✓ Thermal management
✓ Electromagnetic compatibility protection
Examples:
Automotive radar modules
Power electronics housings
Communication equipment
High-frequency electronic systems
3. Lightweight Thermal Performance
Selected high-performance magnesium alloys can provide thermal conductivity up to:
120–140 W/m·K
while offering significantly lower density than aluminum.
Aikerly supports alloy selection based on actual engineering requirements, including:
Heat dissipation capability
Mechanical strength
Manufacturing process
Operating environment
Available alloy solutions include:
4. Advanced Corrosion Protection
Modern magnesium alloy components are no longer limited by traditional corrosion concerns.
Aikerly provides surface protection solutions including:
Micro Arc Oxidation (MAO)
Conversion coatings
Protective coating systems
Customized surface treatments
Depending on application requirements, magnesium components can be engineered to pass demanding environmental tests, including salt spray evaluation.
Aikerly Engineering Manufacturing Network
From Prototype to Mass Production, Aikerly is not only a material supplier.
We provide an integrated engineering and manufacturing support system:
Material Selection
Help engineers select:
Magnesium alloy grades
Aluminum alternatives
Titanium or composite options when required
DFM Engineering Review
Before production, evaluates:
Wall thickness
Heat dissipation structure
Draft angles
Manufacturing feasibility
Cost optimization
Flexible Manufacturing Capability
Supported processes:Die casting, Magnesium extrusion, Precision forging, CNC machining, urface treatment, Assembly support
From:1–10 prototype pieces to: high-volume production programs
Aikerly matches projects with suitable manufacturing resources.
Engineering Applications
AI Hardware & Electronics
For high-performance computing and compact electronic systems:
Heat dissipation structures
EMI shielding housings
Lightweight frames
Thermal management components
Electric Vehicles & Automotive Electronics
Magnesium alloy solutions help reduce weight while supporting:
Battery thermal management
Power electronics cooling
Radar and sensor housings
Lightweight structural components
Industrial Lighting
Applications include:
LED heat sinks
Industrial lamps
Outdoor lighting systems
Reducing weight while maintaining thermal performance.
UAV & Aerospace Equipment
Magnesium enables:
Longer flight endurance
Reduced structural weight
Integrated lightweight designs
Magnesium Heat Sink Design Guidelines
Wall Thickness
For magnesium die casting heat sink structures:
Recommended wall thickness: 1.2–1.5 mm (depending on geometry and casting conditions)
Draft Angle，Recommended: ≥1.5° to improve mold release and production stability.
Avoid Galvanic Corrosion
When magnesium contacts:
Stainless steel/Copper/Other conductive metals
proper isolation methods should be applied:
Insulating washers/Protective coatings/Suitable fastener selection
Surface Protection
For outdoor or high-humidity environments:
Recommended: MAO coating + protective coating system
Quality & Compliance Support
Aikerly supports industrial customers with:
Material certificates (MTR)/Chemical composition analysis/Dimensional inspection/CMM measurement/Process verification
Traceability documentation
Automotive projects can be supported with:
IATF 16949 manufacturing capability
PPAP documentation support
Compliance support:
RoHS/REACH
ASTM standards
GB/T standards
Frequently Asked Questions
Can magnesium replace aluminum heat sinks?
Yes, in many weight-sensitive applications.
Aikerly evaluates thermal requirements, mechanical loads, environment conditions, and manufacturing feasibility before recommending the optimal solution.
What is the minimum order quantity?
Prototype CNC machining: 1–10 pieces available
Mass production MOQ: Typically from several hundred pieces, depending on tooling and manufacturing process.
What is the development lead time?
Typical schedule:
Prototype machining: 7–10 working days
Tooling development: 20–30 days
Initial production: based on validation results
Start Your Lightweight Thermal Design Review
Send your:
STEP files or IGES files or CAD drawings
Material requirements
Aikerly engineering team will provide:
DFM review/Material recommendation/Manufacturing feasibility analysis/Cost optimization proposal
Replace traditional limitations with lightweight engineering solutions.
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