'Initial length' diaporamas de présentation

Tensile testing of an as-cast copper alloy

Tensile testing of an as-cast copper alloy. Steps in the process. Marking the gauge length Loading the specimen Zeroing the crosshead Fitting the extensometer Proof stress measurement Plastic deformation and fracture The load/extension curve The fracture surface Measuring ductility.

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Warm-up 2/3/14

How much energy is needed to run a washing machine which uses 55 kg of water and heats the water from 15 ? C to 53 ? C, if the specific heat of water is 4,184 J/ kg o C ? How much will it cost if the power company charges $0.13 per kW-hr? (1 kW-hr = 3.6 x 10 6 J ). Warm-up 2/3/14 .

215 views • 13 slides

elasticity

321 views • 11 slides

The Young Modulus

The Young Modulus. Objectives: Define and use the terms stress, strain and Young Modulus Describe an experiment to determine the Young Modulus of a metal wire. The Young Moduls. How elastic or stiff a material is. Example Steel cables over 1 m in diameter support a suspension bridge.

1.5k views • 6 slides