Definition

1. Verb (transitive):
   • To combine or treat with carbon: The process of introducing carbon into a solid material, typically a metal, by heating it in the presence of a carbon-rich substance. This is done to harden the surface of the metal.

Usage

• The verb "carburize" describes a specific industrial or metallurgical process. It is used with a direct object (the material being treated).
• Common Collocations: "carburize steel," "carburize the surface," "carburize the metal part."

Examples

• Verb:
  • The factory will carburize the steel gears to increase their wear resistance.
  • To create a hardened case, they carburized the component in a furnace with charcoal.
  • This alloy is commonly carburized to improve its surface properties.

Advanced Usage

• "Carburizing atmosphere": A controlled environment rich in carbon (e.g., from carbon monoxide or hydrocarbons) used in the carburizing process.
  • The parts are heated in a carburizing atmosphere for several hours.
• "Case-carburize": A more specific term meaning to carburize only the outer layer (the "case") of a metal piece.
  • The process is designed to case-carburize the bearing, leaving the core tough.

Variants and Related Words

• Carburization (noun): The act or process of carburizing.
  • The carburization was performed at 900 degrees Celsius.
• Carburizer (noun): A substance or agent used to carburize a material.
  • Charcoal is a common carburizer.
• Carburized (adjective): Describing a material that has undergone carburization.
  • The carburized layer was measured for depth.

Synonyms

• Carbonize: While similar, "carbonize" more broadly means to convert into carbon or coat with carbon, and is often used for organic materials (e.g., wood turning to charcoal). In metallurgy, "carburize" is the precise technical term.
• Case-harden: A broader term for hardening the surface of metal, which can be achieved by carburizing or other methods like nitriding.

Notes on Meaning

• The core meaning of "carburize" is specifically metallurgical. It does not refer to the general process of something burning or combining with carbon in other contexts (e.g., in engines, the related but distinct term is "carburetion," which mixes air with fuel vapor).

Verb

1. unite with carbon
   • carburize metal