The key difference between hydrocracking and hydrotreating is that hydrocracking includes the conversion of high boiling constituents into low boiling constituents, whereas hydrotreating includes the removal of oxygen and other heteroatoms. Hydrocracking and hydrotreating are useful processes in petroleum oil refining. These two processes come under the category of hydroprocessing. Moreover, both of these processes […]
Difference Between Bulk Deformation and Sheet Metal Forming
The key difference between bulk deformation and sheet metal forming is that in bulk deformation, the work parts have a low area to volume ratio whereas, in sheet metal forming, the area to volume ratio is high. Deformation processes are important in transforming one shape of a solid material into another shape. Usually, the initial […]
Difference Between Quenching and Tempering
The key difference between quenching and tempering is that the quenching is rapid cooling of a workpiece, whereas tempering is heat-treating a workpiece. Quenching and tempering are important processes that are used to strengthen and harden materials like steel and other iron-based alloys. These processes involve the rapid heating and cooling to set the components […]
Difference Between Lithium Ion and Lithium Polymer
The key difference between lithium ion and lithium polymer is that lithium-ion batteries have a high energy density, whereas lithium polymer batteries have a low energy density. Lithium-ion and lithium polymer are two terms often associated with batteries. Lithium-ion batteries are named as such because they have lithium ions moving from a negative electrode to […]
Difference Between Carbon Reduction and Thermite Process
The key difference between carbon reduction and thermite process is that in carbon reduction, we can extract a base metal from its ore via reduction of fused metal oxide using carbon whereas, in thermite process, we use aluminium powder instead of carbon. Carbon reduction and thermite process are two important metallurgical processes. Therefore, we use […]
Difference Between Zinc Blende and Wurtzite
The key difference between zinc blende and wurtzite is that zinc blend is cubic, whereas wurtzite has a hexagonal structure. Zinc blende and wurtzite are the two major crystal structures of the chemical compound zinc sulfide ( ZnS). These two structures are polymorphs of zinc sulfide. Thermodynamically, zinc blend is more stable than wurtzite structure. […]
Difference Between Electrolytic Reduction and Refining
The key difference between electrolytic reduction and refining is that electrolytic reduction method uses graphite electrodes of the same size, whereas electrolytic refining method uses impure metal as the anode and a cathode made of same metal with high purity. Electrolytic reduction and refining are two important industrial methods we can use to purify a […]
Difference Between Austenitic and Martensitic Stainless Steel
The key difference between austenitic and martensitic stainless steel is that the crystal structure of austenitic stainless steel is a face-centred cubic structure, whereas the crystal structure of martensitic stainless steel is a body-centred cubic structure. There are four major groups of stainless steel according to the crystal structure of the steel: austenitic, ferritic, martensitic […]
Difference Between Galvanized and Hot Dip Galvanized
The key difference between galvanized and hot dip galvanized is that most galvanized materials have a smooth and sharp finishing, whereas hot sip galvanized structures have a rough finishing. Galvanization is a process of preventing metal surfaces from corrosion. After the completion of galvanization, we say that the surface is “galvanized” if it is done […]
Difference Between Low Alloy Steel and High Alloy Steel
The key difference between low alloy steel and high alloy steel is that low alloy steels have less than 0.2% alloying element, whereas high alloy steels have more than 5% alloying element. An alloy is a mixture of two or more elements. It is produced from mixing metal with some other elements (metals or nonmetals […]
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