Medical high-toughness cobalt-chromium alloy
A technology of cobalt-chromium alloy with high toughness, which is applied in medical science, pharmaceutical formulation, dentistry, etc., to meet the requirements of tensile and enamel hardness matching, simplify alloy composition, and improve toughness and elongation.
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[0024] Adopt the high-toughness cobalt-chromium alloy of chemical composition of the present invention, its chemical composition is as shown in Table 1 (embodiment 1, embodiment 2 and embodiment 3). For convenience of comparison, the cobalt-chromium alloy (comparative example) prepared by the prior art is also listed in Table 1 at the same time.
[0025] Table 1 Chemical Composition of Smelted Alloy (wt.%)
[0026]
co
Cr
Mo
Fe
Ti
mn
P
S
Example 1
60.3
28.9
7.8
2.0
0.5
0.5
0.010
0.010
Example 2
65.2
24.4
8.0
1.6
0.5
0.3
0.008
0.009
Example 3
66.0
26.8
5.0
1.3
0.8
0.1
0.009
0.008
comparative example
63.0
29.0
6.0
2.0
-
-
0.01
0.01
[0027] The mechanical properties of the alloys with the above components are shown in Table 2, indicating that changing the composition of the alloys can significantly improve the mecha...
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