Polymers · Composites · Mechanics

Engineering that shows its working.

Material data with its sources, calculators tested against published values, and simulations you can run. Free on the web, and fully offline on iPhone, iPad and Mac.

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Now on the App Store — free, offline, collects nothing
Fig. 1Platform mapCore1 hub · 8 modulesUnitsGPa · MPa · g/cm³ · °C

Datasheet

Every number, with its basis
PropertyValueBasis
Material systems44Every value cites its source
Calculators & simulations22toolsCore models tested against hand calculations or published values
Scientific model tests180+testsReference values from textbooks and the literature
Articles38Written for beginners, with self-check quizzes and interactive figures
Data the app collects0No account, no analytics, and it works offline

The laws behind the tools

Each one opens its calculator or article
F = m·a
Newton's 2nd law
σ = E·ε
Hooke's law
E1 = VfEf + VmEm
Rule of mixtures
σ(t) = σ0·e−t/τ
Stress relaxation
N = A·ε0 + B·κ
Laminate stiffness
dα/dt = (k1 + k2αm)(1 − α)n
Kamal cure model