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Material Science HW2. Glass( 유리 ). 2009012176 박성규 Mechanical Engineering GNU. Glass. ▶ The most common raw materials of glass is silica sand. (Sio2) ▶ Na2Co3( 소다회 ), CaCo3 ( 석회석 )…. ▶ Transparent( 투명성 ) and beautiful. ▶ Transparency, durability, not harmful to people - PowerPoint PPT Presentation
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© GNU Su-Jin Kim© GNU Su-Jin Kim
Atomic BondingAtomic BondingMaterial ScienceMaterial Science
Material Science HW2Material Science HW2
Glass(Glass( 유리유리 ))
2009012176
박성규Mechanical Engineering
GNU
© GNU Su-Jin Kim© GNU Su-Jin Kim
Atomic BondingAtomic BondingMaterial ScienceMaterial Science
Glass ▶The most common raw materials of glass is silica sand. (Sio2) ▶Na2Co3( 소다회 ), CaCo3 ( 석회석 )…. ▶Transparent( 투명성 ) and beautiful. ▶ Transparency, durability, not harmful to people ▶ Supercooled liquid( 과냉각액체 ) state
Sio2
Transparent and beautiful
© GNU Su-Jin Kim© GNU Su-Jin Kim
Atomic BondingAtomic BondingMaterial ScienceMaterial Science
Products
Common glass Tempered glass• Lead oxide glass
In addition, More than 100 kinds of glass is used in the real life.
© GNU Su-Jin Kim© GNU Su-Jin Kim
Atomic BondingAtomic BondingMaterial ScienceMaterial Science
Merits & Disadvantages
Merits• Transparency• Good light, heat transmittance.( 열
투과율 )• Workability( 가공성 ) is good• Insulating effect( 보온 효과 )• Easy to recycle.
• Finally, the glass is
Disadvantages• brittle.( 깨지기 쉽다 ) • Passes a bad light.• Expensive
an indispensable raw material to us.