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Replacing metals with thermoplastic compounds

Replacing metals with thermoplastic compounds

Articles

Why replace metals: advantages and complexities of technical compounds
In recent years, the need to reduce weight, cut costs, and improve sustainability has driven more and more designers toward metal replacement: substituting metal components with reinforced thermoplastic compounds. However, the transition is not without challenges. Unlike metals, polymers exhibit complex mechanical, thermal, and rheological behavior influenced by factors like time and temperature. These aspects require a complete rethink during both design and molding phases.

fattibilita del metal replacement

From metal to polymer: the design challenge
Overcoming traditional approaches
Many technical parts are conceived with a “metal mindset,” where isotropic properties and well-established machining techniques simplify the design. Switching to polymers introduces new variables: anisotropy, shrinkage, long-term deformation, creep, and more. Without the right support, the risk of technical failure in early replacement attempts can discourage even the brightest ideas. Predictive tools and specific know-how are essential for a safe, effective transition.

LATI: Experience, simulation, and co-design since 1995
Complete engineering support
Aware of the complexity involved in metal replacement, LATI established a dedicated co-design technical team as early as 1995. Their mission? Assist customers in project validation through advanced tools and material knowledge.

FEM simulation and real data: the power of forecasting
Using cutting-edge FEM software and material behavior data developed in-house, LATI can:
• Simulate mechanical and thermal stress over time;
• Optimize geometries and adapt material selection;
• Predict shrinkage, warpage, and residual stress during post-molding cooling;
• Significantly reduce financial and time waste.

Designing with polymers? now it’s easier (and less risky)
Cut time and cost, boost performance
LATI’s approach enables a predictive engineering path for metal replacement, avoiding design or tooling errors. This means:
• Faster development cycles;
• Reduced technical risk;
• Quicker go-to-market with lighter, more sustainable products.

Start your metal replacement journey today
LATI has already supported over 1,600 metal replacement projects through FEM simulation in sectors like automotive, home appliances, electrical-electronic, and industrial.

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