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Steel MakingQuenching The WorkIn some operations case-hardened work is quenched from the bo... Blending The Compound Essentially, this consists of the sturdy, power-driven separa... Hardness Testing The word hardness is used to express various properties of me... Hardening Carbon Steel For Tools For years the toolmaker had full sway in regard to make of st... Process Of Carburizing Carburizing imparts a shell of high-carbon content to a low-... Drop Forging Dies The kind of steel used in the die of course influences the he... Testing And Inspection Of Heat Treatment The hard parts of the gear must be so hard that a new mill f... Quality And Structure The quality of high-speed steel is dependent to a very great ... The Thermo-couple With the application of the thermo-couple, the measurement of... Case-hardening Treatments For Various Steels Plain water, salt water and linseed oil are the three most co... Nickel-chromium A combination of the characteristics of nickel and the charac... Heating Although it is possible to work steels cold, to an extent de... Open Hearth Process The open hearth furnace consists of a big brick room with a l... Pyrometers Armor plate makers sometimes use the copper ball or Siemens' ... Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer For extremely high temperature, the optical pyrometer is lar... Surface Carburizing Carburizing, commonly called case-hardening, is the art of pr... Composition And Properties Of Steel It is a remarkable fact that one can look through a dozen tex... Effects Of Proper Annealing Proper annealing of low-carbon steels causes a complete solu... A Satisfactory Luting Mixture A mixture of fireclay and sand will be found very satisfactor... Connecting Rods The material used for all connecting rods on the Liberty engi... |
The Penetration Of CarbonCategory: CASE-HARDENING OR SURFACE-CARBURIZING Carburized mild steel is used to a great extent in the manufacture of automobile and other parts which are likely to be subjected to rough usage. The strength and ability to withstand hard knocks depend to a very considerable degree on the thoroughness with which the carburizing process is conducted. Many automobile manufacturers have at one time or another passed through a period of unfortunate breakages, or have found that for a certain period the parts turned out of their hardening shops were not sufficiently hard to enable the rubbing surfaces to stand up against the pressure to which they were subjected. So many factors govern the success of hardening that often this succession of bad work has been actually overcome without those interested realizing what was the weak point in their system of treatment. As the question is one that can create a bad reputation for the product of any firm it is well to study the influential factors minutely. Next: Introduction Of Carbon Previous: Preparing Parts For Local Case-hardening
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