??????? ????? ????
???? ??????? ????? ????? ????? ?????? ??? ????? hardmetals ?????? ????. ???? ?????? ?? ????? ?????, ??????? ????? ???? ?sintered. ??????? ????? sintered ??? ??? ??????? ????? ????? ??????? ????, ????? ?????? ????, ?????? ????? ????? ???? ?? ??????? ????? ?? ????? ??????? ???? ??????? ?????, ????? ??.
- ??????? ????? ????? ?? ??????? ????? ????? ?????. ?????? ????? ??? ?????? ?? ?????? ?? ????? ???????? ???? ???? ?????? ??? ?? ???????.
- ?????, ??????? ????? ??? ????? ?????? ???? ?????? ?????. ?????? ??????? ????? ???, ??? ???? ????? ????, ??? ?? ???? ????? ???? ???? ?????? ?????? ??????? ?????????, ????, ?????? ??????, ??? ?? ???????.
- ??????? ????? ??? ????? ????? ????? ???? ?????, ?? ????? ???? ?? ? 550GPa, ???? ???? ???? ???? ????? ?? ???????. ?? ???? ?? ???????? (-Al203) ?????? ??? ???? ????? ????? ????? ?? ????? ??????? ????????.
1) ????? ????? ????? ?????? ????? ?????? ?????? ?????? ???? ??????? ?????? ???? ???? ?? ???? ?? ???, ??? ?? ?????? ??? ???? ????? ????? ???, ??? ???? ????? ????? ????. ??? ????, ????? ????? ????? ??? ???? ?????, ?????? ????? ???? ????. ???? ????? ?????? ?? ????? ?????????? ?????? ???? ???? ??? ???? ??????? ????? ?????????.????? ????? ???? ??? ????? ?????, ????? Hardmetal ?? ??????? ?????: ?? ????? ?????? ???? ??? ?????? ??????? ????? ?? ????? ?????? ??????? ???? ???????.
- 2) ????
a) ??????? ????? ???? ????? ?????? ??????? ????? ?????, ?????? ??? ??????? ?????? ???? ???? ?? ???? ????? ?????? ???????.?????? ?????? ?? ????? W2C ????? ??????? ????? ?????????? ??? ????, ??????? 37 autocannon ?"? ?????? ??????? ????? ?????? ?????? Ju 87G ????? ????????? T-34 ????? ?????? ????? ????. ??? ??????? ????? ??????? ?? ???????, ???? W2C ??? ?????? ????? ????? ???? ????? ??? ?? ?????? ?????? ??? ?????? ?????, ??? ??? ?????? ????. ?? ???? ??????? ??? ??? ?????? ????? ??? ?????? ?? ?????? ????? ????.
b)?????? ????? ??????? ????? ????? ???? ????? (?? ???? ????? ???? ????? ????) ?? ?????? subcaliber, ??? ????? ?? ???? ?? ????? ??? ???? ??? ???? ????? ?????? ???? ?????, ??? ?????? ???????? ?? ??????.?????? ??? ???? ???? ??????? ????? ???, ????? ?????? ???? ??? ?????? ?????? ????????.
c)??????? ????? ??? ?? ??????? ???????? ???? ????? ???? ??? ?????? ????? ?????? ??????? ??????? ????? ????????, ?????? ???? ??? ???.????? ?????? ?????????? ?????? ??????? ??? ????? ??? 21 ??????? 1945, ???? ???? ? Daghlian ?'????? ??? ????? ???? ??????? ????? ?? ???? ?????????, ???? ????? ?? ??????? ???? ????? ?? ?????????? ???? ?????.
- 3) ?? ?????
a)??????? ????, ?????? ??????? ?????, ?????? ?????? ?? ??? ????????, ???? ??? ?? ?????? ???????? ?????? ????. ???? ?????, ?????? ?? ??? ??????? ???? ?????? ??????? ?? ???? ?? ?????? ???????, ???? ??? ?????? ????? ????? ?? ??? ????? ????? ???? ??? ????? ?? ?????? ???? (??? ???); ????? ????? ???? ???? ???? ???? ??? ???? ????? ????? ?? ?????.
b) ???? ????? ??? ??? ?? ???? ??? ?? ???? ??????, ??? ?? ?? ?????? ????? ???? ?????? ????? ????? ??? ????? ?? ???, ????? rollerski ???? ???. ??? ???? ???? ??? ???? ??????, ???? ???? ?? ??? ?????? ???? ?????? ?????? ??? ????? ????.
c) ????? ????? ???? ???? (?????? ??? ??????) ?????? ????? ??????? ???? ?????? ?????? ?? ??????? ???. ?????? ??? ???? ????? ?? ????? ???. ?????? ????? V ??? ?? ??????? ?????? ??????? ?????? ????? ????? ???? ??? ??? ???????? ???.????? ??? ????? ????? ???? ????? ?? ????? ??? ??? ????.?????? ????? ???????? ?????? ????? ???? ???? ?????? ???? ???? ????? ?????? ??????? ???????? ?????.
d) ????? ?????? ???????, ???? Nokian ??????, ?????? ????? ??????? ?? ?????? ??????? ????? ?????? ???? ???? ?? ???. ??? ?? ???? ??? ?????? ?? ?????? ???? ???? ???????? ??????.
- 4) ????
a)?????? ??????? ????? ???? ????? ?????? ?????? ?? ???? ??????? ???? ??? ????? ?????.
b)??? ???? ????? ??????? ????? ????? ?? ??? ????????, ????? ????? ?????? ?????? ?????? ?? ?????. ??? ????? ?????? ?? ?????? ??????? ?? ???? ??? ????? ????? ?????? ?????? ?? ????? ????.???? ??? ???? ???? ??? ?? ????? ???? ??? ?? ??????.?????? ???? ???? ???? ?????? ?scuffs, ????? ??? ??? ????? ??? ???? ????, ????? ????????? ???? ?????? ??? ????? ????? ?????, ??, ??????? ????? ?????? ??????? ?????, ??? ?? ???? ????? ????? ???? ?????? ??? ???? ??????? ????? ?? ????????.
c) ???? ????? ?????? ?????? ????? ??????? ????? ??? ??? ???? ????? ????? ????? ????? ????, ???????? ?? ????? ??? ?????? ?????. ???? ???? ????? ?????? ?????? ??????? ?????? ??? ??????? ??????? "?????? ??????? ????? ??? ????? ??????? ????? ??? ????? ??? ?? ?????.??? ??? ???? ????? ????? ??????? ????? ??? ?????? ???? ??? ????? ????? ????? ????? ???.
d) ?????? ???? ?? ????? ????? ?? ????????? ??????? ?? ?????? ????? ????? ???? ????? ??????? ?? ?????? ??? ????? ??????? ??????? ?? ??? ?? ???. ???? ??? ????? ????? ??? ??????. ?? ??? ??? ????? ?????? ????? ?? ???? ????? ??? ?? ???????? ????. ?????? ???? ????? ?? ???????? ???? ??? "????? ?????". ?? ????? ?? ??? ????? ????? ?? ???? ??? ?????.
Grade |
WC |
C % |
Impurities (%,Max. ) |
|||||||||
Total c (%) |
Free c(%) |
Al |
As |
Bi |
Ca |
Mg |
Cd |
Cr |
Cu |
Fe |
||
FWC-1 |
99.8 |
6.08~6.18 |
0.08 |
0.001 |
0.001 |
0.0002 |
0.0045 |
0.001 |
0.0002 |
0.006 |
0.0008 |
0.03 |
FWC-2 |
99.7 |
6.08~6.18 |
0.08 |
0.001 |
0.0015 |
0.0003 |
0.005 |
0.0015 |
0.0003 |
0.007 |
0.001 |
0.05 |
K |
Na |
Mn |
Mo |
Ni |
P |
Pb |
S |
Sb |
Si |
Sn |
V |
- |
0.0015 |
0.001 |
0.001 |
0.004 |
0.006 |
0.001 |
0.0002 |
0.001 |
0.0005 |
0.0035 |
0.0002 |
0.0008 |
- |
0.002 |
0.0015 |
0.0015 |
0.01 |
0.007 |
0.0015 |
0.0003 |
0.0015 |
.0.0005 |
0.005 |
0.0003 |
0.001 |
- |
????? ?12 ?????? ?? ?? Fsss.size
Grades |
Fsss.(μ) |
O2 (%,Max.) |
WC-2 |
1.00~1.49 |
0.18 |
WC-3 |
1.50~1.99 |
0.15 |
WC-4 |
2.00~2.49 |
0.12 |
WC-5 |
2.50~2.99 |
0.10 |
WC-6 |
3.00~3.49 |
0.08 |
WC-7 |
3.50~3.99 |
0.08 |
WC-8 |
4.00~4.49 |
0.08 |
WC-9 |
4.50~4.99 |
0.08 |
WC-10 |
5.00~6.99 |
0.08 |
WC-11 |
7.00~8.99 |
0.08 |
WC-12 |
9.00~14.99 |
0.08 |
WC-13 |
15.00~25.00 |
0.08 |
?????: ????? ???? ??????? ?????? ?????? ?????? ?? 50/100 ???? ??? ?? ???.
????: ???? ???? ??? ?????? ???????? ???????.
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