NDLI: Evaluation of dispersion strengthened nickel-base alloy heat shields for space shuttle application (Document No: 19740008101)

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Evaluation of dispersion strengthened nickel-base alloy heat shields for space shuttle application (Document No: 19740008101)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Johnson Jr., R. Killpatrick, D. H.
Copyright Year	1973
Description	The work reported constitutes the first phase of a two-phase program. Vehicle environments having critical effects on the thermal protection system are defined; TD Ni-20Cr material characteristics are reviewed and compared with TD Ni-20Cr produced in previous development efforts; cyclic load, temperature, and pressure effects on TD Ni-20Cr sheet material are investigated; the effects of braze reinforcement in improving the efficiency of spotwelded, diffusion-bonded, or seam-welded joints are evaluated through tests of simple lap-shear joint samples; parametric studies of metallic radiative thermal protection systems are reported; and the design, instrumentation, and testing of full-scale subsize heat shield panels are described. Tests of full-scale subsize panels included simulated meteoroid impact tests; simulated entry flight aerodynamic heating in an arc-heated plasma stream; programmed differential pressure loads and temperatures simulating mission conditions; and acoustic tests simulating sound levels experienced by heat shields during about boost flight. Test results are described, and the performances of two heat shield designs are compared and evaluated.
File Size	24222626
Page Count	274
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19740008101
Archival Resource Key	ark:/13960/t3130nf52
Language	English
Publisher Date	1973-05-01
Access Restriction	Open
Subject Keyword	Materials, Metallic Welded Joints Nickel Alloys Meteoroid Protection Dispersion Strengthening Space Shuttles Heat Shielding Impact Tests Chromium Alloys Diffusion Welding Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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