??????????????????
?????????????????????????????????????????????
D=??????????? g/mm3, H= ???????? HRA, BS=Strengh ???N/mm2,
EC=????????????????????????? (10ˉ6/K, 25－500 oc)
WC,Co.Ni |
???? |
??????? |
D |
H |
BS |
EC |
||
WC |
Co |
Ni |
||||||
WC－Co |
Y86B |
94 |
6 |
- |
14.8-15 |
89.5 |
1421 |
5.0 |
WC－Co |
Y68B |
92 |
8 |
- |
14.5-14.9 |
89 |
1472 |
5.1 |
WC－Co |
Y615B |
85 |
15 |
- |
13.9-14.2 |
87 |
2068 |
5.3 |
WC－Ni |
YWN8B |
92 |
- |
8 |
14.4-14.8 |
88 |
1470 |
5.3 |
WC-Ni-Co |
YCN3B |
97 |
(CO+NNi)3 |
- |
15.0-15.3 |
91 |
1300 |
4.3 |
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