crucible (redirected from crucible crushing strength)

crucible, vessel in which a substance is heated to a high temperature, as for fusing or calcining. The necessary properties of a crucible are that it maintain its mechanical strength and rigidity at high temperatures and that it not react in an undesirable way with its contents. Porcelain, iron, and platinum are used in the lab; graphite is usually used in industry, but firebrick is also used, especially when vessels of large capacity are needed. The chamber at the bottom of a metal-refining furnace, where the molten metal collects to be drawn off, is known as a crucible.

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crucible

Pot of clay or other refractory material, used from ancient times as a container for melting metals or other materials. Modern crucibles may be small laboratory utensils for conducting high-temperature chemical reactions and analyses, or large industrial vessels for melting and calcining metal, ore, or glass, and may be made of clay, graphite, porcelain, or a relatively infusible metal.

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crucible

1. a vessel in which substances are heated to high temperatures

2. the hearth at the bottom of a metallurgical furnace in which the metal collects

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crucible [′krü·sə·bəl]

(science and technology)

A refractory vessel or pot, varying in size from a small laboratory utensil to large industrial equipment for melting or calcining.