Metallurgy

Difference between the Flame hardening and induction hardening

Difference between the Flame hardening and induction hardening is as follows: Flame Hardening: In this type of treatment, the process is done by heating the steel directly by an oxyacetylene flame and cooling it by cold water immediately. To do this work skill labor is required. In this equipment cost, is less and also less …

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About the Cold Stabilization and limitations of I-T Diagram?

Cold Stabilization: It is a type of temperature cycle process, In this process without affecting the temperature it can relive the internal stress. At this process, the austenite which is retained is converted into martensite at a subatmospheric temperature in the material. This Cold Stabilization is adopted due to the excess removing of salt or …

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Explain Solid Solutions

Solid Solutions: It is Known as Solid Solution when two or more type of homogenous atoms exit in the solid state. There are two types of Solid Solutions. 1. Interstitial solid solution. 2. Substitutional solid solution. 1. Interstitial Solid Solution: This type of solid solutions which has less than 1-angstrom number are used to form …

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Explain Hume- Rothery Rule for the formation of a solid solution

Hume- Rothery Rule for the formation of a solid solution: There are some rules to form the substitutional solid solution and control the solubility in alloy system. If the size of solute and solvent along with the electron chemical nature are same then the substitutional solid solution is obtained. These rules govern the solid solution …

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Superior Properties of Fine-Grained Materials than Coarse-Grained Materials

Fine-Grained Materials: This Fine-Grained Materials has a different type of properties due to the different type of sizes. There are some factors that grain size depends on, temperature up to the metal heated. Time of heating the metal in the furnace. Properties of grain size: Due to more hardness, the high tensile strength it is …

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Grain Size and Measurement Methods of Grain Size

Grain Size: It is said to be a grain size with the diameter of the grain of  granular material. and this is in the shape of irregular polycrystalline metal. in this, there are two structures i.e fine-grained metal and coarse-grained metal Smaller grain structure is called fine metal And larger structure is called coarse grain …

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