What does case-hardened mean?

Definitions for case-hardened
case-hard·ened

This dictionary definitions page includes all the possible meanings, example usage and translations of the word case-hardened.

Princeton's WordNet

  1. case-hardened, hardened, hard-boiledadjective

    used of persons; emotionally hardened

    "faced a case-hardened judge"

Wikipedia

  1. case-hardened

    Case-hardening or surface hardening is the process of hardening the surface of a metal object while allowing the metal deeper underneath to remain soft, thus forming a thin layer of harder metal at the surface. For iron or steel with low carbon content, which has poor to no hardenability of its own, the case-hardening process involves infusing additional carbon or nitrogen into the surface layer. Case-hardening is usually done after the part has been formed into its final shape, but can also be done to increase the hardening element content of bars to be used in a pattern welding or similar process. The term face hardening is also used to describe this technique, when discussing modern armour. Hardening is desirable for metal components that are subject to sliding contact with hard or abrasive materials, as the hardened metal is more resistant to surface wear. However, because hardened metal is usually more brittle than softer metal, through-hardening (that is, hardening the metal uniformly throughout the piece) is not always a suitable choice. In such circumstances, case-hardening can produce a component that will not fracture (because of the soft core that can absorb stresses without cracking), but also provides adequate wear resistance on the hardened surface.

ChatGPT

  1. case-hardened

    Case-hardened refers to a process used in materials science to toughen the surface layer of an object while maintaining a softer, more malleable core. This is typically done by infusing the outer layer with a certain substance or by subjecting the object to specific heat treatments, often resulting in an item that is more resistant to wear and tear, corrosion, and other forms of damage.

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Numerology

  1. Chaldean Numerology

    The numerical value of case-hardened in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of case-hardened in Pythagorean Numerology is: 6

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"case-hardened." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/case-hardened>.

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