June, I944.1 CURRENT TOPICS. 5o9 which were undreamed of formerly, and it has greatly simplified many measurements previously made in a cumbersome or expensive fashion. Electronic instruments are becoming more and more prominent in their contributions to our store of knowledge, as daily they are per
โฆ LIBER โฆ
Alloys for casting
- Book ID
- 104118431
- Publisher
- Elsevier Science
- Year
- 1913
- Tongue
- English
- Weight
- 65 KB
- Volume
- 175
- Category
- Article
- ISSN
- 0016-0032
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โฆ Synopsis
Alloys for Casting. F. DE BUIGN~, Magdeburg. (Eng. Pat.
1346, of I912.)--Type-metal alloys designed for casting under pressure should be capable of remaining in the molten condition for a long time without changing in composition, and should not form dirt or dross in the casting channels or moulds. Alloys composed of aluminum, copper, and tungsten, and free from zinc, fulfill these conditions. Alloys which give satisfactory results are (I) aluminum 80 to 9 o, copper 8 to IO, tungsten I to IO parts, and (2) copper 9 ยฐ to 95, aluminum 3 to IO, tungsten o.I to 5.0 parts. Both alloys must be free from zinc.
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