lab 1 - 1. Objectives: The objective of this lab was to...

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1. Objectives: The objective of this lab was to calculate the modulus of elasticity of a 6061-T6 aluminum beam. 2. Theory: Strain is considered a linear function of stress over the range of stresses from load-carrying beams. A member which is exposed to tension or compression will encounter stress and strain. This can be shown by a modulus of elasticity chart. Stress is a vital property that can be determined by Hooke’s Law. The equations for stress, modulus of elasticity, and Hooke’s Law are shown below. 1. Modulus of Elasticity 2. Stress 3. Hooke’s Law = E ∆σ∆ε = σ 6PLbt2 = σ Eϵ σ = stress = strain ϵ E = modulus of elasticity P = load L = effective beam length b = beam width t = beam thickness Modulus of Elasticity Chart
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3. Procedure I. Equipment and Supplies Flexor, cantilever flexure frame High-strength aluminum alloy beam, 1/8 x 1 x 12-1/2 in (3 x 25 x 320 mm) Micro-Measurements temperature-compensated strain gages (1 or 2) Model P-3500 Portable Strain Indicator or equivalent
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lab 1 - 1. Objectives: The objective of this lab was to...

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