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Comparison table of various hardness values
Hardness is a measure of a substances resistance to various kinds of deformation. It is defined as a measure of a materials resistance to a wide range of forces, including scratching and indentation. The ability of a material to resist these kinds of forces is related to its strength, toughness, a......
1155 
Sophia
Hardness Common Terms
Hardness is an important parameter used to measure the resistance of a solid material to physical indentation or penetration. It is a measure of the ability of a material to withstand abrasion, erosion, penetration, scratching and other surface deformations. Hardness can be defined in terms of the......
Method for testing the hardness of heat-treated workpieces
Research on Detection Methods of Hardeness of Heat Treatment Workpieces
Abstract
Heat treatment is widely used in the production field and can greatly improve the material performance and mechanical properties of workpieces. The comprehensive measurement of hardness is an important indicator of ......
Basic parameters of roll forging deformation zone
Roll Forge Deformation Zone
The roll forge deformation zone is where steel is formed into the desired shape with rollers and dies. It is a vital part of the metalworking process and requires careful attention to detail to ensure the desired final product. The deformation zone includes three main ......
Delonghi Organization Chart
De Longh Group is an international group of companies, which is made up of six sub-companies and divisions. Those companies have formed a strategic alliance that offers high-quality products, services and value to the global business community.
The structure of De Longh Group consists of six divi......
alum stone
The Alchemist
Life is full of surprises for young Santiago, the protagonist in Paulo Coelhos novel, The Alchemist. An Andalusian shepherd boy, Santiago went on a journey across North Africa and Europe looking for his Personal Legend— facing numerous obstacles along the way. The story serves as a......
limestone
Limestone
Limestone is a natural material that is used for a variety of applications. It is made up of minerals that were formed millions of years ago, in the midst of geological upheaval. Limestone is found in a variety of forms. In its purest form, it is a white rock composed primarily of calci......
High temperature superconductor bulk structure
High-temperature superconducting block materials (HTSB) have been widely used in a variety of applications and devices in the past several decades. Because of their superior electrical and thermal properties, HTSB materials are ideal for high-performance electronic devices and equipment. The micro......
hornblende rock
Introduction
Alabaster is a type of sedimentary rock mostly comprised of calcium carbonate. It is also known as onyx-marble, alabastrite, or Egyptian alabaster. Alabaster is commonly used for ornamental carvings, jewelry, and various other decorative items. Alabaster is a type of soft rock and is......
Effects of Alloying Elements on Microstructure and Properties of Gray Iron
Effects of Several Alloy Elements on the Microstructure and Properties of Gray Cast Iron
Gray cast iron is a type of cast iron with a high carbon content and silica content. It has good comprehensive performance, such as a small shrinkage rate and a large inverted pyramidal structure. Because of ......
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