Topic
Tungsten
About: Tungsten is a research topic. Over the lifetime, 35225 publications have been published within this topic receiving 456213 citations. The topic is also known as: W & element 74.
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TL;DR: In this paper, the solid-solution hardening potential of the refractory elements rhenium, tungsten and molybdenum in the matrix of single-crystal nickel-based superalloys was experimentally quantified.
112 citations
TL;DR: In this paper, the growth of voids and the deuterium interaction with voids in tungsten have been studied with thermal desorption and positron annihalation techniques.
111 citations
TL;DR: In this paper, the vapor pressure of several liquid metals was measured using a method based on the gas-controlled heat pipe, and small samples of the test material were placed in a tungsten tube and heated to temperatures above 2900 K. Most of the tests were terminated by the failure of the containment tube.
Abstract: The vapor pressure of several liquid metals was measured using a method based on the gas-controlled heat pipe. Small samples of the test material were placed in a tungsten tube and heated to temperatures above 2900 K. The vapor pressure was measured using a gas-buffered pressure transducer and the vapor temperature was inferred from the tube surface temperature, which was measured with an optical pyrometer. Most of the tests were terminated by the failure of the containment tube. The measured pressures agree well with those calculated by thermodynamic methods from data at lower temperatures.
111 citations
TL;DR: In this article, near surface sputtered particle transport has been analyzed numerically using models of sputtering, sheath parameters, and impurity collisions with a background D-T plasma.
Abstract: Near‐surface sputtered particle transport has been analyzed numerically using models of sputtering, sheath parameters, and impurity collisions with a background D–T plasma. Tungsten and carbon sputtering was examined, for tokamak divertor plasma conditions. Redeposited ion parameters computed include the charge state, transit time, energy, and angle of incidence. A regime of operation for finite self‐sputtering of tungsten has been identified. This regime is broader than previous estimates. Results for energetically sputtered and thermally sputtered carbon are compared.
111 citations
TL;DR: In this paper, a thermal faceting of tungsten single crystal surfaces in oxygen was performed using vibrating-capacitor work function probe with low energy electron diffraction.
111 citations