Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Xi-Chen Sun"'
Publikováno v:
Materials Science Forum. :829-834
Carbonitriding is a metallurgical surface modification technique that is widely used in the automotive industry to increase surface hardness and wear resistance. Given the problems associated with carbonitriding, such as dimensional distortion, oxida
Publikováno v:
Materials Characterization. 36:83-92
The solution treatment and aging of a 2024 aluminum alloy was studied using the thermoelectric power (TEP) measurement technique, and the results compared to those obtained by microhardness and optical microscopy. The TEP value changes with solution
Autor:
D. E. Penrod, Xi-Chen Sun, Derek O. Northwood, G. Byczynski, J. H. Sokolowski, A. Esseltine, Romain Thomas
Publikováno v:
Journal of Materials Processing Technology. 53:385-392
The commercial heat treatment schedules that are utilized with cast AlSiCu alloys in order to obtain the optimum microstructure, and thereby optimum mechanical properties are often not effective because the precipitation strengthening process,
Autor:
Derek O. Northwood, Xi-Chen Sun
Publikováno v:
Materials Characterization. 33:3-9
A Zr-1.14 wt.%Cr-0.1 wt.%Fe alloy was β-quenched from 1050°C to produce a supersaturated α′ phase and then reheated for varying times at temperatures of 350°C, 550°C, or 760°C to produce precipitation of the Zr(CrFe)2 phase. Thermoelectric po
Autor:
Derek O. Northwood, Xi-Chen Sun
Publikováno v:
Materials Characterization. 30:97-105
A Zr-1.15wt.%Cr-0.10wt.%Fe alloy (hereafter referred to as Zr-Cr-Fe) was developed by the General Electric Company as a fuel sheathing alloy for water-cooled nuclear reactors. X-ray line broadening analysis and thermoelectric power (TEP) measurements
Publikováno v:
AIP Conference Proceedings.
Traditional ‘indirect’ methods for studying microstructural changes include electrical resistivity, dilatometry and microhardness. These methods are ‘indirect’ in that they measure the variation of a property that is itself influenced by chan