ST&M Lab

Structural Testing and Materials Lab

Impact tests of steel–Impact Tester

Objectives:

1. Familiarization with the principles involved in impact testing.
2. Examination of the effect of temperature change on the impact properties of the material.
3. Evaluation of statistical variation in impact energy.

Hardness Evaluation–Rockwell, Brinell Hardness Testers

Objectives:

1. Familiarization with the principles involved in hardness testing.
2. Determination of hardness with quench rates: Jominy Test.

Structural Deflections–Lab Truss and Weights

Objectives:

1. Familiarization with the principles involved in structure testing.
2. Analysis of structural deflection due to a point load using energy methods.

Fatigue–22 kip MTS Machine

Objectives:

1. Test and calculate fatigue cycle life for non-zero mean loads.
2. Observe operation of a state-of-the-art industrial type fatigue test machine.

Tensile Properties–Bench Top Tensile Test Machine

Objectives:

1. Familiarization with the principles involved in tensile testing.
2. Determination of tensile stress-strain characteristics for a given material.

Fatigue & Buckling–22 kip MTS Machine

Objectives:

1. Determine the buckling load for a tensile bar.
2. Evaluate the effect on fatigue life from "repairing" a previously yielded part.

Fatigue–Rotating Beam Tester

Objectives:

1. To demonstrate how cyclic loading can cause a part failure at a stress less than the material tensile strength.
2. To learn the set up procedure for a test machine.

Metrology–Micrometers, Calipers, Gage Blocks, Roughness Comparator

Objectives:

1. To become familiar with basic measurements of length.
2. To gain insight into the proper selection of measuring equipment.