Modulus of elasticity (or Young's Modulus) is a measurement of the rate of change of strain as a function of stress. It represents the slope of the straight-line portion of a stress-strain curve. With respect to tensile testing, it may be referred to as Tensile Modulus. This method of testing is used to determine a sample's behaviour under an axial stretching load. Common tensile test results include elastic limit, tensile strength, yield point, yield strength, elongation, and Young's Modulus. Young's Modulus is reported commonly as N/mm² (lbs/in²), MPA (psi).

Modulus of elasticity testing can be carried out on a range of Lloyd Instruments materials testing machines together with NEXYGENPlus data analysis software when more comprehensive testing results are required.

Typical graph showing modulus of elasticity/Young's Modulus.

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