white cast iron वाक्य
"white cast iron" हिंदी में white cast iron in a sentenceउदाहरण वाक्य
- White cast iron is more brittle, but also harder.
- It is difficult to cool thick castings fast enough to solidify the melt as white cast iron all the way through.
- This hard, brittle compound dominates the mechanical properties of white cast irons, rendering them hard, but unresistant to shock.
- Either white cast iron or refined iron is then placed in hearth of the furnace, a process known as " charging ".
- However, rapid cooling can be used to solidify a shell of white cast iron, after which the remainder cools more slowly to form a core of grey cast iron.
- The broken surface of a white cast iron is full of fine facets of the broken iron-carbide, a very pale, silvery, shiny material, hence the appellation.
- Unless the raw material used is white cast iron, the pig iron or other raw product of the puddling first had to be refined into refined iron, or finers metal.
- Cort's process ( as patented ) only worked for white cast iron, not desiliconise the metal, leaving a white brittle metal, known as'finers metal '.
- Henry Cort's original puddling process only worked where the raw material was white cast iron, rather than the grey pig iron that was the usual raw material for finery forges.
- The alloy constituents affect its colour when fractured : white cast iron has carbide impurities which allow cracks to pass straight through; ductile cast iron has spherical graphite " nodules " which stop the crack from further progressing.
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