Materials and methods Concrete 1- Introduction:Concrete is mixture of cement or lime, sand, brick or stone ballast and water, which when placed in forms and allowed to cure,…

Slide 1Stress and Strain Slide 2 Stress Force/Area Pressure is one form of Stress Units: Pascals (1 bar = 1 atm = 100,000 Pa) Normal Stress: Perpendicular to surface –…

SAFERR Izolarea Bazei – Studiu de caz Structură cu pereţi de beton armat: P+8E (Bucureşti) Nivel Curent Base Presenter Presentation Notes I wiil trea only the siesimic…

Slide 1Viscoelastic properties Polymers have both ideal elastic and viscous behavior depending on time and temperature. Slide 2 Ideal (elastic) Solid Hooks Law response is…

Slide 1Introduction to Viscoelasticity Polymers display VISCOELASTIC properties All viscous liquids deform continuously under the influence of an applied stress – They…

Slide 1 What happens to Tg with increasing pressure? Slide 2 Why? Bar = 1 atm = 100 kPa Slide 3 Poly(ethylene oxide) in water A Demonstration of Polymer Viscoelasticity Slide…

Slide 1 Liquid Armor By: Daniel Rey Garza MEEN 3344 Slide 2 Liquid Armor Liquid armor uses a shear thickening fluid made up of hard silica particles suspended in polyethylene…

AAN009 Application of Rheology of Polymers Keywords: polymers, processing, performance, MFR, rheometer 1 AAN009 performance without sacrificing the performance of the final…

Rheology Rheology is the branch of physics which deals with deformation and flow of matter. The term rheology, from Greek rheo (to flow) and logy (science). This term was…

What happens to Tg with increasing pressure? Why? Bar = 1 atm = 100 kPa Poly(ethylene oxide) in water A Demonstration of Polymer Viscoelasticity “Memory” of Previous…