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Case-hardening or carburization is the process of introducing carbon to the surface of a low-carbon iron, or more commonly a low-carbon steel object, in order to harden the surface. Iron which has a carbon content greater than ~0.02% is known as steel .
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Surface carburizing, or case hardening, is one example of solid solution strengthening in which the density of solute carbon atoms is increased close to the surface of the steel, resulting in a gradient of carbon atoms throughout the material. This provides superior mechanical properties to the surface of the steel without having to use a ...
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A second victim from the Ohio warehouse mass shooting died, which has now left two dead and four injured, according to police.. On Thursday, the New Albany Police Department announced a second ...
Defects from uneven drying, resulting in the rupture of the wood tissue, such as checks (surface, end and internal), end splits, honey-combing and case hardening. Collapse, often shown as corrugation, or so-called washboarding of the wood surface, may also occur (Innes, 1996). Collapse is a defect that results from the physical flattening of ...
A former deep-sea treasure hunter who has served nearly a decade in jail for refusing to disclose the whereabouts of missing gold coins has had that term ended by a federal judge in Ohio, but he ...
A few typical hardening agents include carbon monoxide gas (CO), sodium cyanide and barium carbonate, or hardwood charcoal. In gas carburizing, carbon is given off by propane or natural gas . In liquid carburizing, the carbon is derived from a molten salt composed mainly of sodium cyanide (NaCN) and barium chloride (BaCl 2 ).
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