1
1. .
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2. .
3. (. . 1)
1
| 40 | , | 0,4 % , ≈ 1 % Cr, ≈ 1 % Ni | : , , , , . |
| , | ≈ 1 % , ≈ 1 % Cr, ≈ 1 % W, ≈ 1 % Mn | ; | |
| 591 | 59 % Cu, 1 % Pb, 40 % Zn | , , |
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1.
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2. , - .
3. .
4.
5. ( ) .
6. .
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1. :
; .
2. ,
3. - .
4. , ( d h) d . r ρ/ρ , HB , s s . .
| , | , | ρ/ρ | , % | d , | HB, | σ / σ | ||||||
| d, | h, | V, 3 | m, | r, / 3 | ||||||||
:
= F = ppd 2 / 4 =
V = Fh = hpd 2 / 4 =
r = m / V =
ρ/ρ =
= (1 r / r ) 100 % =
=
s / s = HB / HB =
5. r /r p. r /r p = 600−700 .
|
6. s / s .
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7. , ; . .
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1. : ; ; .
2.
3.
3
3
V . = V . + V . = 3
20
22
60
3.
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c)
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5. .
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1. : ; ; .
2. , . .
3. .
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= V / V = G / G =
4. ,
5. .
:
V = V + V + V + V
V = 3; V = 3; V =(0,6-0,8) F L = = 3
V =0 ( )
V = = 3
3
F i d i :
F i = F i + 2(0,60,8) F ; 
d i =1,13 
,
F i, d i , .. ; F (F = 0,8 2).
d , .. .
d = , l . =
6.
7. . .
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2. . .
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5.
| , | k i | P, | ||||||
| h 0 | D i-1 | d i | H | |||||
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| 63 | ||||||||
| 63 | ||||||||
6.
,
, ; di - .
:
k i =
7. , .
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4. .
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6.
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8
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8
