white metal
/'wait'metl/ Cách viết khác : (white_alloy) /'wait white alloy/
Học thuậtThân thiện
Definition
- Noun:
- A type of alloy: "white metal" refers to a category of alloys, often with a base of lead, tin, or antimony, characterized by their silvery-white color and relatively low melting point. They are commonly used for bearings, solders, and castings where low friction and resistance to wear are important.
Usage Examples
- Noun:
- The old machinery's bearings were made of a durable white metal.
- Tin-based white metal is often used for lining engine bearings.
Advanced Usage
- Technical Context: In engineering and metallurgy, "white metal" can specify precise alloys like Babbitt metal, used for bearing surfaces.
- The crankshaft journal rotates within a white metal bearing shell.
Variants and Related Words
- Babbitt metal (n): A specific type of tin- or lead-based white metal alloy used for bearings.
- Babbitt metal is a classic example of a white metal bearing alloy.
- Pewter (n): A malleable alloy traditionally made of tin and lead (or antimony), often classified as a type of white metal.
- The antique tankard was crafted from pewter, a common white metal.
Synonyms
- Bearing alloy: An alloy specifically designed for use in bearings.
- Soft alloy: A general term for alloys with low hardness and melting points.
Related Phrases
- White metal bearing: A bearing made from a white metal alloy.
- The technician replaced the worn white metal bearing.
Related Idioms
Noun
- an alloy (often of lead or tin base) used for bearings