The Heat Treatment of Tool Steel An Illustrated Description of the Physical Cha
The Heat Treatment of Tool Steel An Illustrated Description of the Physical Cha
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In our eReader you can find the full English version of the book. Read The Heat Treatment of Tool Steel An Illustrated Description of the Physical Cha Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Heat Treatment of Tool Steel An Illustrated Description of the Physical Cha
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A simpler form of furnace is illustrated in Fig. 51. The furnace body consists of a wrought-iron cylinder with brick lining. There is an intermediate air space to reduce FIG. 51. Very simple form of salt-bath furnace.
radiation, and for the same reason a sheet of asbestos is sometimes laid on to the outer surface of the wrought iron. A single burner of the annular type rests on the bottom of the furnace body, and the pot containing the salt mixture is supported by lugs, or a perforated rim, whi...ch rests on the brick lining. The flame and hot gases, in passing between the outer surface of the pot and the inner surface of the brick lining, give up much of their heat to numerous studs projecting from all parts of the surface of the pot, and are HARDENING PLANT 93 eventually diverted on to the surface of the molten salt by means of the curved cover. In this way the pot is evenly heated to the extreme upper edge, and an accumula- tion of frozen salt becomes impossible. At the same time the products of combustion impinging on the surface of the salt, or lead as the case may be, minimizes the amount of atmospheric surface oxidization.
What to read after The Heat Treatment of Tool Steel An Illustrated Description of the Physical Cha?
You can find similar books in the "Read Also" column, or choose other free books by Harry Brearley to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
A simpler form of furnace is illustrated in Fig. 51. The furnace body consists of a wrought-iron cylinder with brick lining. There is an intermediate air space to reduce FIG. 51. Very simple form of salt-bath furnace.
radiation, and for the same reason a sheet of asbestos is sometimes laid on to the outer surface of the wrought iron. A single burner of the annular type rests on the bottom of the furnace body, and the pot containing the salt mixture is supported by lugs, or a perforated rim, whi...ch rests on the brick lining. The flame and hot gases, in passing between the outer surface of the pot and the inner surface of the brick lining, give up much of their heat to numerous studs projecting from all parts of the surface of the pot, and are HARDENING PLANT 93 eventually diverted on to the surface of the molten salt by means of the curved cover. In this way the pot is evenly heated to the extreme upper edge, and an accumula- tion of frozen salt becomes impossible. At the same time the products of combustion impinging on the surface of the salt, or lead as the case may be, minimizes the amount of atmospheric surface oxidization.
What to read after The Heat Treatment of Tool Steel An Illustrated Description of the Physical Cha?
You can find similar books in the "Read Also" column, or choose other free books by Harry Brearley to read onlineMoreLess
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