SYMPOSIA PAPER Published: 01 January 1990
STP25043S

A Data Acquisition and Control Program for Axial-Torsional Fatigue Testing

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A computer program was developed for data acquisition and control of axial-torsional fatigue experiments at NASA-Lewis Research Center. The multitasked, interrupt-driven program was written in PASCAL and assembler. This program is capable of dual-channel control and six-channel data acquisition. It can be utilized to perform in-phase and out-of-phase axial-torsional isothermal fatigue or deformation experiments. The program was successfully used to conduct in-phase axial-torsional fatigue experiments on 304 stainless steel at room temperature and on Hastelloy X at 800°C. This paper describes the details of the software and gives some of the results generated to date.

Author Information

Kalluri, S
Sverdrup Technology, Inc., NASA-Lewis Research Center Group, National Aeronautics and Space Administration, Cleveland, OH
Bonacuse, PJ
NASA-Lewis Research Center, National Aeronautics and Space Administration, Cleveland, OH
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Details
Developed by Committee: E08
Pages: 269–287
DOI: 10.1520/STP25043S
ISBN-EB: 978-0-8031-5149-9
ISBN-13: 978-0-8031-1401-2