MP

MPCALC

MATERIALS · STRESS-STRAIN COMPUTE ENGINE
ENGINE LIVE
SI UNITS
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01

GEOMETRY

A = — mm²
02

LOADING

F = — N
03

DEFORMATION

ε = —
04

STRESS–STRAIN CURVE

TOUGHNESS SOURCE

Enter test points to integrate true toughness (area under curve, trapezoidal). Strain is unitless, stress in MPa.

#STRAIN εSTRESS σ (MPa)
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PRIMARY OUTPUT

REAL-TIME
STRESS · σ — MPa
STRAIN · ε — mm/mm
CROSS-SECTIONAL AREA — mm²
FORCE — N
% ELONGATION — %
YOUNG'S MODULUS — GPa
ULT. TENSILE STR. — MPa
TOUGHNESS ∫σ dε — MJ/m³
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STRESS–STRAIN DIAGRAM

AREA = TOUGHNESS