Steel Hardening by Quenching

Table of ContentsThe Hardening Power Apparently LagsTipper RetardationsRelation Between Carbon-Content and Rapidity of V-ChangeTime Needed For V-ChangeHardening-Power Gained at WDuctility Lost Suddenly by High-Carbon VS Low-Carbon

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Heat Treatment of Steel

Table of ContentsToughening Manganese-Steel by Sudden CoolingVariations in the Rate of Cooling and in the Quenching TemperatureInfluence of Different Quenching-MediaIt Is Best to Quench from

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Steel Quenching

Table of ContentsDifficultyInferencesLimitations of the Ductility-testsWhere is the Hardening-Power LostAgreement with Thermal Curves Loss of Hardening-Power at and near V.—We know that steel is hardened

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Variable Speed Pulley

Every constructing engineer and designer knows how often it is desirable to provide a speed-adjustment between parts of a machine performing different functions, or between

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Magnetic Ore Separator

After considerable experience in connection with the magnetic iron-ores at the South, especially in the Cranberry district of western North Carolina and eastern Tennessee, the

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