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Environmental Stress Cracking Resistance _ESCR_ Design Guide 1.pdf

🔗 Source: es.avient.com

📊 Size: 3.11 MB

📄 Pages: 8 pages

⬇️ Downloads: 392

Summary

The guide provides best practices to reduce stress cracking in molded plastic parts, caused by environmental stress cracking (ESC), which is the premature embrittlement and crack propagation of a polymer part due to the combination of stress and chemical exposure. Factors that cause ESC include chemical exposure, residual stresses, and applied stresses. Strategies to counteract failure include selecting materials with improved chemical resistance and modifying part design to reduce residual stresses. The guide focuses on the latter, highlighting best practices to reduce areas of localized stress at common areas of concern, such as corners and edges, as well as reinforcing and assembly features. Key design guidelines include uniform wall thickness, generous radii, coring for tight radii, contouring to eliminate fluid pooling, proper draft, and rib design.

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Description

The guide provides best practices to reduce stress cracking in molded plastic parts, caused by environmental stress cracking (ESC), which is the premature...

Technical Information

File Format: PDF
File Size: 3.11 MB
Pages: 8
Language: EN
Total Downloads: 392
Last Updated: 3 weeks ago

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This PDF document about Get the Guide provides comprehensive information and guidance. Whether you're a beginner or advanced user, this resource offers valuable insights into Get the Guide.