SYMPOSIA PAPER Published: 01 January 1991
STP17759S

Analysis of Oxygen Mechanical Impact Test Apparatuses and Methods

Source

An independent analysis using theoretical calculations with nominal test chamber configuration geometries was performed to evaluate the effects of small and large variations in test apparatus chamber configurations, test chamber test pressures [446KPa to 69.07 MPa], and in preset initial striker pin positions [striker pin transmits mechanical impact energy from the test apparatus drop plummet to material test samples within the test chamber]. The effects evaluated were the total energy losses between the drop plummet energy impartation to striker pin and the striker pin energy impartation to the test sample of different given test apparatuses. These total energy loss effects directly determine whether or not a sufficient percentage of the drop plummet energy is in fact transmitted to the test sample during mechanical impact tests.

Author Information

deQuay, L
Component Test Facility Project Office, National Aeronautics and Space Administration, John C. Stennis Space Center, MS, USA
Scheuermann, PE
Propulsion Test Operations, National Aeronautics and Space Administration, John C. Stennis Space Center, MS, USA
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Details
Developed by Committee: G04
Pages: 87–125
DOI: 10.1520/STP17759S
ISBN-EB: 978-0-8031-5170-3
ISBN-13: 978-0-8031-1461-6