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β-钨的亚稳性质

黄慧民 , 陈新民

金属学报

本文研究了β-W所含氧的性质。研究表明,非自燃β-W所含的氧可分为两部分:可逆化学吸附的氧和可能与β-W组成填隙式固溶体的填隙氧。β-W是金属W的一种亚稳相,而填隙氧的存在使β-W的亚稳晶格较为稳定。

关键词: , beta-tungsten , metastable phase , interstitial solid solution

METASTABLE CHARACTERISTICS OF β-W

HUANG Huimin CHEN Xinmin Central South University of Technology , Changsha , China HUANG Huimin Associate Professor , Department of Chemistry , Central South University of Technology , Changsha , China

金属学报(英文版)

The nature of the oxygen contained in β-W was investigated with DSC,X-ray analysis on quenched samples and Auger spectroscope.It was shown that the oxygen contained in nonpyrophoric β-W consists of the reversibly chemisorbed oxygen and the interstitial oxygen which could form an interstitial solid solution with β-W.It seems better to consider β-W to be a metastable phase of tungsten with the interstitial oxygen as stabilizer.

关键词: tungsten , null , null , null

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