NDLI: High-temperature strength of refractory-metal wires and consideration for composite applications

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High-temperature strength of refractory-metal wires and consideration for composite applications

Content Provider	NASA Technical Reports Server (NTRS)
Author	Petrasek, D. W.
Copyright Year	1972
Description	Tensile and stress-rupture tests were conducted on wires of W-Hf-C, W-Re-Hf-C, ASTAR 811C (a tantalum alloy), and B-88 (a columbium alloy) at room temperature, 1093 C (2000 F), and 1204 C (2200 F). Metallographic examinations were also made of the wire microstructure after testing. Ultimate tensile strength values up to 2170 meganewtons per square meter (314000 psi) at 1093 C (2000 F) and 1940 meganewtons per square meter (281 000 psi) at 1204 C (2200 F) were obtained for W-Re-Hf-C wire. The best strength values obtained for a 100-hour rupture life were, 1410 meganewtons per square meter (205 000 psi) at 1093 C (2000 F) and 910 meganewtons per square meter (132 000 psi) at 1240 C (2200 F) for W-Re-Hf-C wire. The properties obtained suggested that the wires studied showed promise as potential fiber reinforcement in the 1093 to 1204 C (2000 to 2200 F) temperature range.
File Size	2372352
Page Count	41
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19720021911
Archival Resource Key	ark:/13960/t40s4j614
Language	English
Publisher Date	1972-08-01
Access Restriction	Open
Subject Keyword	Materials, Metallic Refractory Metal Alloys Tensile Tests Rupturing Metallography High Temperature Wire Microstructure Tungsten Alloys Tensile Strength 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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