Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Xiao-Wu Nie"'
Publikováno v:
Transactions of Nonferrous Metals Society of China. 24:2138-2144
The aim of the present work is to develop a model for simulating double-peak precipitation hardening kinetics in Al-Zn-Mg alloy with the simultaneous formation of different types of precipitates at elevated temperatures based on the modified Langer-S
Publikováno v:
Metal Science & Heat Treatment. Nov2009, Vol. 51 Issue 11/12, p563-566. 4p. 1 Black and White Photograph, 1 Chart, 2 Graphs.
Autor:
Xiao-Wu Nie
Publikováno v:
Micro and Nanosystemse. 4:157-164
Comments on 'The absence of a stable hexagonal Laves phase modification (NbCr2) in the Nb–Cr system'
Autor:
Xiao-wu Nie
Publikováno v:
Scripta Materialia. 64:990-993
Publikováno v:
Philosophical Magazine Letters. 91:328-336
A highly supersaturated nanocrystalline Cr–25 wt% Zr alloy has been prepared by mechanical alloying of elemental crystalline powders. High-purity powders of Cr and Zr were milled for up to 20 h. The development of the microstructure was investigate
Publikováno v:
Physica B: Condensed Matter. 405:4279-4282
The structural properties, elastic properties and electronic structures of TaCr2 are investigated by first-principles calculations. Heats of formation are calculated and compared for the three Laves phases (C15, C14 and C36). It is found that the C15
Publikováno v:
Physica B: Condensed Matter. 405:1969-1972
A Monte Carlo model is modified by using Turnbull–Fisher's nucleation rate model to simulate the ultra-fine microstructure evolution during annealing of AZ31 processed by equal channel angular pressing (ECAP). The simulation is utilized to predict
Autor:
Xiao-Wu Nie, Ya-Yan Zhou
Publikováno v:
Journal of Advanced Microscopy Research. 5:38-44
Publikováno v:
Metal Science and Heat Treatment. 51:563-566
Thermodynamic analysis of NbCr2 intermetallic obtained by mechanical alloying and subsequent hot pressing is performed. High-purity powders of niobium and chromium in molar proportion of 1 : 2 are treated in a ball mill for up to 100 h. Then the powd
Publikováno v:
Philosophical Magazine Letters. 89:465-473
The powder metallurgy technology of mechanical alloying followed by hot-pressing consolidation has been used to obtain NbCr2–Ni Laves phases. High-purity Nb, Cr, and Ni crystalline powders were milled for periods up to 35 h. These powders were vacu