ductility of tungsten so that it can be made into wire for lamp filaments. The tungsten is treated at red heat with a mixture of hydrogen and sulphur chloride. This removes any tungsten oxide, which is a cause of brittleness. The oxide is converted into sulphide, and the sulphide reduced by hydrogen
โฆ LIBER โฆ
Production of molybdenum steel in the electric furnace
- Publisher
- Elsevier Science
- Year
- 1912
- Tongue
- English
- Weight
- 64 KB
- Volume
- 173
- Category
- Article
- ISSN
- 0016-0032
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