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Transcript of ΤΕΧΝ. ΥΛΙΚ. - ΜΕΤΑΛΛΑ

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- (. 5 .87 )

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( . 6 .103 )

( Bragg , 2d = )

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2d =

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14

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7

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.

, .24/5/2010 11

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SCHOTTKY . . schottky .24/5/2010 13

FRENKEL . Frenkel .

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, , . .

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. 106 cm/cm3 ( 10 km/cm3) 1012 cm/cm3 .

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, , . . , , , .

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. . 1) . , .

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2) 150C . 3) . 4) . 5) , .

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. . .24/5/2010 24

, , .

, .

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() (F) (A) (A) . = F/A . .24/5/2010 26

. (dx , dy , dz) (u ,v ,w) . x = u / dx , y = v /dy , z = w / dz

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Poisson , . .

v Poisson , 0.25 0.40 . v 0.33 .24/5/2010 28

Hooke () () Hooke . : x = E x Young . H . ( =0,001 0,1% )24/5/2010 29

=0,001 , Hooke . - .

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y : TS : . f : . . :

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. Charpy. Charpy m .24/5/2010 32

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. , . W .24/5/2010 35

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, . . 108 .

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( ) . . 24/5/2010 39

. . 1/3 .24/5/2010 40

(W) . 36800 . ( 3000) . 20000 .

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