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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 .
Frequently, the term "hardening" is associated with tempered steel. Both processes are used hand in hand when hardening steel. The two part process begins with hardening the steel so that it becomes hard and does not wear over time. However, very often, this process leaves the steel very brittle and susceptible to breaking during use.
Carburization can be used to increase the surface hardness of low carbon steel. [3] Early carburization used a direct application of charcoal packed around the sample to be treated (initially referred to as case hardening), but modern techniques use carbon-bearing gases or plasmas (such as carbon dioxide or methane). The process depends ...
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 ...
SAN DIEGO — The Home Depot agreed to a nearly $2 million settlement in a case that alleged it overcharged customers, charging more for items at checkout than the items' advertised prices.
"Home Depot put up a good quarter — same-store sales of -2% beat the Street's estimate of -4.1% and came in slightly above market expectations of -2.5%, margins beat across the P&L, and FY23 ...
The Franklin County Sheriff's Office continues to look for a gunman who fatally shot a man last Friday night in the parking lot of a Home Depot store in Prairie Township.
This also inversely affects the depth of the case; i.e., a high carbon steel will form a hard, but shallow case. [ 14 ] A similar process is the trademarked "Nu-Tride" process, also known incorrectly as the "Kolene" process (which is the company's name), includes a preheat and an intermediate quench cycle.