Audit corrosion resistance

Is Your Magnesium Application Survival-Ready for 240H+ Salt Spray Requirements?

The Verdict

For any project requiring more than 240 hours of salt spray testing, the use of untreated magnesium bars or raw surfaces is strictly prohibited.

• Maximum Risk: Ignoring the terminal environment’s salt spray duration will lead to coating delamination within 48 hours, triggering irreversible structural damage.

• Production Recommendation: High-grade applications must mandate a combination of MAO (Micro-Arc Oxidation) processes and high-purity magnesium pellets.

• Performance Dividend: By sourcing high-purity materials directly from our audited specialized factories, a 33% weight reduction over aluminum is achieved without compromising integrity.

• Technical Benchmarking: This audit is conducted by our Boston Team for corrosion compliance (targeting U.S. market entry standards), with implementation handled by our Shanghai production hub utilizing top-tier surface treatment technologies.

Engineering Boundaries & Guidelines

• Operating Environment Match: In corrosion-resistant design, selecting materials without defining the operating conditions is an engineering failure.

• Recommended Physical Limits: AZ31B maintains long-term stability when ambient humidity is < 60%. If humidity exceeds 85% or salt spray requirements are present, surface modification processes are mandatory.

• Prohibited Scenarios: It is strictly forbidden to expose magnesium alloys directly to strong acidic environments or chloride-ion-rich marine environments without hermetic protection.

• Risk Prerequisite: All delivered parts must undergo degreasing, pickling, and passivation within 24 hours (or 8 hours in high-humidity environments) post-machining to prevent the formation of a loose, porous native oxide layer.

FMEA Logic (Failure Mode and Effects Analysis)

1. Design Failure:

   • IF terminal salt spray duration requirements are ignored → THEN surface coatings will undergo electrochemical delamination within 48 hours → RESULT: Structural failure of the equipment.

2. Supply Chain Environmental Failure:

   • IF the sealing process following Micro-Arc Oxidation (MAO) is neglected → THEN corrosive media will begin reacting within the packaging during the 45-day sea freight transit.

3. Process Failure:

   • IF MAO current density is non-uniform → THEN the ceramic layer will lack sufficient density → RESULT: Corrosive media will penetrate directly to the substrate through micropores.

4. Material Failure:

   • IF impurities such as Iron (Fe), Nickel (Ni), or Copper (Cu) in the pellets exceed thresholds → THEN internal micro-galvanic reactions are induced → RESULT: Intergranular corrosion occurs even without apparent external damage.

Supply Integrity & Delivery Resilience

Aikerly leverages deep control and on-site audits of multiple specialized factories by the Boston Team to ensure certainty from source to delivery.

• Material Forms: Billet-cut pellets (for high-purity molding), Sheets, and High-purity Ingots.

• Scalability: Full lifecycle coverage from Rapid Prototype to Global Mass Production.

Start Technical Audit

Compliance oversight by Boston; Mass production execution by Shanghai.

1. [Submit Salt Spray Requirements for a Customized Pre-treatment Plan]: Our Boston expert team will match the most cost-effective surface protection grade to ensure your application passes 240H+ testing.

2. [Request Feasibility Audit under NDA]: Under a Non-Disclosure Agreement, the Aikerly Technical Solution Center will verify your corrosion risks and manufacturing feasibility for complex operating environments.

Service Commitment: Upon receipt of an inquiry, you will receive a formal quotation and an engineering feasibility assessment within 48 hours, along with our latest technical Data Sheet.