• Feb 20, 2026 roughness coefficient ductile iron pipe er surfaces that improve flow characteristics and decrease head loss. Can the roughness coefficient of ductile iron pipes change over time? Yes, due to corrosion, buildup of deposits, or deterioration of By Peter Luettgen PhD
• Feb 17, 2026 fracture mechanics of ductile and tough materials enarios. Design Principles for Tough Materials Incorporating microstructural features that deflect or blunt crack tips. Using composite structures to hinder crack propagation. Ensuring uniform stress distribution to preven By Boyd Pagac
• Dec 7, 2025 cast iron vs ductile iron housing material factors influence the choice between cast iron and ductile iron for housing? Factors such as exposure to moisture, soil conditions, and chemical environments influence the choice; ductile iron’s superior corrosion resistance and toughness make it more suitable for ha By Victor Corkery I
