Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Kwang S. Shin"'
Publikováno v:
Metallurgical and Materials Transactions A. 35:1629-1632
Publikováno v:
Metals and Materials. 3:51-59
Fatigue crack growth (FCG) behavior of recently developed three Al-Cu-Li-Mg-Ag alloys, Weldalite 049, X 2095 and MD 345, was examined in air at load ratios of 0.1 and 0.75. It was found that all three alloys showed better resistance to fatigue crack
Publikováno v:
AIAA Journal. 30:1602-1608
The fracture characteristics of candidate bonding concepts for thermoplastic structures (APC-2) were evaluated. The concepts covered a wide range of processing requirements (time and temperature). Structural performance was evaluated in mode I and mo
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 11:1-8
The strength properties, deformation behavior, and fracture mode of arc-melted (A/M) and powder-metallurgy-processed (P/M) tungstens were determined from 1600 to 2700 K in order to provide the baseline data for the development of tungsten-base alloys
Publikováno v:
Materials Science and Engineering: A. 148:219-229
The tensile properties of WRe1wt.%ThO2 alloys with rhenium concentrations of 0–26wt.% were examined in a temperature range 1600–2600 K. The effects of rhenium concentrations, testing temperature and strain rate on the strength properties an
Publikováno v:
Scripta Metallurgica et Materialia. 25:2411-2414
Tungsten is one of the most important metals for high temperature applications. The major deterrents to the use of tungsten are poor fabricability at room temperature and rapid decrease in strength at temperatures above 1600 K. Previous investigation
Publikováno v:
Scripta Metallurgica et Materialia. 25:1811-1814
Metals that have been dispersion hardened with stable oxides provide ideal systems to study the strengthening effect of second-phase particles at high temperatures. Thoria (ThO{sub 2}), a compound having the highest melting temperature among all the
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 10:107-114
With the highest melting temperature among metals, tungsten possesses a combination of properties desired for space nuclear power applications. One of the major deterrents to the application of tungsten lies in its low-temperature brittleness. The po
Publikováno v:
JOM. 42:12-15
In recent years there has been renewed interest in the development of tungsten alloys for space power and advanced aerospace propulsion systems. Tungsten alloys have great potential for ultrahigh-temperature applications because of their thermal capa
Publikováno v:
AIP Conference Proceedings.
The mechanical properties of W‐Re‐1ThO2 alloys with rhenium concentrations from zero to 26 percent were determined over the temperature range 1600 to 2600 K. The effects of rhenium on the strength properties and deformation behavior of a tungsten