Transcript of 재료금속 조계현 교수 1 Chap 3. 소재의 근본을 찾아서 哲學과 鐵學 ( 소재 )...
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- 1 Chap 3. ( ) Materials Historical Perspective
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- 2 1. - - 2. 3.
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- 3 The Materials Timelines(1) 580 BC Thales( ) (all matter)
(water) 440 BC Democritus( ) (matter) 430 BC Empedocles( ) 4
(earth, air, fire, water)- Alchemy is born!!!! 414 BC Theaetetus
Platonic solids(5 regular polyhedra) 4 ether
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- 4 The Materials Timelines(2) 350 BC Aristotle 4 3 ( water, air,
fire) 4 perfection , 5 ether( ) Astrology( ) Alchemy( ) 4 humors( )
(blood, phlegm, choler, melancholy: , ( ), ( ), . 4 (hot, dry,
cold, and wet), 4 ( , , , )
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- 5 The Peripatetic School( ) 1. 4 : Earth,( ) Air( ), Fire( ),
Water( ) 2. 5 AETHER ( or , ) cf, blazing
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- 6 ( ) , , 1. Stone(earth) + fire =Iron Contains more fire than
the iron ore 2. Iron(earth) + fire=Gold Shiny Gold contains more
Fire than dull iron
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- 7 The Materials Timelines(3) 1804-1808 John Dalton( ) (all
matter) . 1815 William Prout( ) . 1879 Sir William Crookes( )
(electron) 1896 J.J. Thompson Plum-Pudding 1869 Mendeleev( )
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- 8 The Materials Timelines(4) 1911 Ernest Rutherford ( ) 1932
James Chadwick ( ) neutron . 1945 Wolfgang Pauli Pauli exclusion
principle .
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- 9 ,
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- 11 : 10 -4 : 1-5 = =1.7x 10 3 M&M chocolate . : 50000 :
150000 : 100-2000
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- 12 Cube : Earth : 8 : air 20 : 12 :
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- 15 (1) 11 3 ( : ) (stone) (bricks) (slime for mortar) . 22: 6(
: ) (fire) (Dagger) .
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- 16 (2) :7-10 ( : BC 1200) , (IRON) (copper) .. ..
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- 17 The Seven metals of Antiquity ( 7 ) Au Aurum(Gold: ) Ag
argentum(silver: ) Cu cuprum(copper: ) Sn stannum( tin: ) Pb
plumbum( lead: ) Hg hydrargyrum(mercury: ) Fe ferum(iron: ) *Cu
latin Cypriot Metal cyprus