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An Improved Method for Compressive Stress-strain Measurements at Very High Strain Rates is a Engineering article available to read on EtoBox.
What is An Improved Method for Compressive Stress-strain Measurements at Very High Strain Rates about?
This paper describes a modification of the split Hopkinson pressure bar, to allow compression testing of high strength metals at a strain rate of up to about 10 ^5^ s ^–1^ . All dimensions are minimized to reduce effects of dispersion and inertia, with specimens of the order of 1 mm diameter. Strain is calculated from the stress record and calibrated with high-speed photography. Particular attention has been paid to the accuracy of the technique, and errors arising from nonlinearity in the instrumentation, dispersion, frictional restraint and inertia have all been quantitatively assessed. Stress–strain results are presented of Ti 6A14V alloy, a high strength tungsten alloy, and pure copper.
Who reads An Improved Method for Compressive Stress-strain Measurements at Very High Strain Rates?
It is typically read by researchers, students, and practitioners in Engineering.
- Publisher
- The Royal Society
- Published
- 1992
- Language
- EN
- Field
- Engineering (Physical Sciences)