Actions for Impact reactivity of materials at very high oxygen pressure

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Impact reactivity of materials at very high oxygen pressure

Author
Minchey, J. G.
Published
May 19, 1983.
Physical Description
1 electronic document
Additional Creators
Davidson, R., Connor, H. W., and Crowder, R.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
The requirements for impact testing of materials in an oxygen atmosphere at pressures from 82.7 MPa (12,000 psi) to 172 MPa (25,000 psi) were evaluated. The impact tester system was evaluated for potential pressure increases from 69 MPa (10,000 psi) to 82.7 MPa (12,000 psi). The low pressure oxygen and nitrogen systems, the impact tower, the impact test cell, and the high pressure oxygen system were evaluated individually. Although the structural integrity of the impact test cell and the compressor were sufficient for operation at 82.7 MPa (12,000 psi), studies revealed possible material incompatibility at that pressure and above. It was recommended that if a component should be replaced for 82.7 MPa (12,000 psi) operation the replacement should meet the final objectives of 172 MPa (25,000 psi). Recommended changes in the system include; use of Monel 400 for pressures above 82.7 MPa (12,000 psi), use of bellows to replace the seal in the impact tester, use of a sapphire window attached to a fiber optic for event sensing, and use of a three diaphragm compressor.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19830025707.
Accession ID: 83N33978.
NASA-CR-170854.
NAS 1.26:170854.
Terms of Use and Reproduction
No Copyright.
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