کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1616482 1516380 2012 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Production of high-purity ammonium perrhenate for W–Re–Ni–Fe heavy alloys
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
Production of high-purity ammonium perrhenate for W–Re–Ni–Fe heavy alloys
چکیده انگلیسی

The paper presents the developed method for purification of ammonium perrhenate solutions by ion-exchange method on strongly acidic cation-exchange resin C160. The developed method is characterized by high, over 95% efficiency of sorption of potassium, sodium, calcium, iron, magnesium and lead ions, and high efficiency of regeneration of the resin with 32% solution of nitric(V) acid. In that way ammonium perrhenate was produced of the following composition: 69.4% Re, <0.0005% Ca, <0.001% K, <0.0005% Mg, <0.0005% Cu, <0.0005% Na, <0.0005% Mo, <0.0005% Ni, <0.0005% Pb, <0.0005% Fe. Some selected results of the experiments into possibilities for application of that specifically purified ammonium perrhenate in production of W–Re–Ni–Fe heavy alloys are presented as well as physical and mechanical properties of the heavy alloys. It was established that the purified ammonium perrhenate is a proper material for production of heavy alloys, and the generated sinters can be used in manufacture of armour-piercing discarding sabots.


► The developed method is characterized by high, over 95% efficiency of sorption of potassium ions.
► The developed method is characterized by high efficiency of regeneration of the resin with 32% solution of nitric(V) acid.
► It was established that the purified ammonium perrhenate is a proper material for production of heavy alloys.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 513, 5 February 2012, Pages 347–352
نویسندگان
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