The College of New Jersey

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Mechanics of Materials Laboratory

The Mechanics of Materials Laboratory is used for demonstrating phenomena related to stress, strain, buckling, and fatigue. Many of the experiments in this laboratory are interfaced to a computer, and data acquisition is performed using LabVIEW. The student workstations are complete instrumentation lab benches, data acquisition, and computer data analysis stations featuring Agilent 60-MHz oscilloscopes, 20 MHz programmable function/arbitrary waveform generators, and 6.5 digit digital multimeters. The stations also include 0-30V/0-5A triple output power supplies and custom portable bioamplifiers for biopotential measurements. Each workstation computer (PC) is equipped with a National Instruments multifunction 12-bit analog and digital input/output board driven by MATLAB and LabVIEW software packages for data acquisition, processing, analysis, and the development of virtual bioinstrumentation. The laboratory is supplemented with a Beckman spectrophotometer for studying absorbance and transmittance, as well as enzyme kinetics and quantitation and analysis of protein and nucleic acids, a benchtop pH meter for electrode and pH sensor design and analysis, and other equipment such as an analytical balance, centrifuge, and light microscope for sample preparation and analysis.

A 22 kip capacity MTS 810 as well as a 5 kip capacity MTS 858 Mini-Bionix II test machine are also housed in this laboratory. The MTS 810, designed for static and dynamic tension-compression testing, is available for traditional wear testing, material classification, and bone fracture characterization, including crack propagation.