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Applicable Materials:
MIM is applicable to wide range of materials which includes low alloy steel, stainless steel, tool steel, nickel-based alloys, tungsten alloy, carbide, titanium, magnetic materials, Kovar alloy and fine ceramics, etc.
Table 1 Typical MIM materials and applications:
|
Material System |
Material composition |
Typical applications |
|
Fe-2Ni, Fe-8Ni |
Automobile, machinery and other industries ,particularly in structural parts |
|
|
Stainless steel |
316L ,17-4PH, 420, 440C |
Medical equipments, clocks, watches |
|
Carbide |
WC-Co |
Various tools, clocks, watches |
|
Ceramic |
Al 2O3 , ZrO2 , SiO2 |
IT electronics, daily necessities, watches |
|
Heavy Alloys |
W-Ni-Fe, W-Ni-Cu, W-Cu |
The arms industry, communications, daily necessities |
|
Titanium |
Ti,Ti-6Al-4V |
Medical and military structural parts |
|
Magnetic Materials |
Fe, NdFeB, SmCo5,Fe-Si |
Magnetic properties of the various components |
|
Tool steel |
CrMo4,M2 |
Tools |
Table 2 Typical properties of several MIM materials：
|
Materials
|
Density |
Hardness |
Tensile strength |
Elongation |
|
|
g/cm 3 |
Rockwell |
MPa |
% |
||
|
Fe-based alloys |
MIM-2200(Sintered) |
7.65 |
45HRB |
290 |
40 |
|
MIM-2700(Sintered) |
7.65 |
69HRB |
440 |
26 |
|
|
MIM-4605(Sintered) |
7.62 |
62HRB |
415 |
15 |
|
|
MIM-4605(Quenching and tempering) |
7.62 |
48HRC |
1655 |
2 |
|
|
Stainless steel |
MIM – 316L (Sintered) |
7.92 |
67HB |
520 |
50 |
|
MIM- 17-4PH (Sintered) |
7.5 |
27HRC |
900 |
6 |
|
|
MIM- 17-4PH (Sintered) |
7.5 |
40HRC |
1185 |
6 |
|
|
MIM – 430L (Sintered) |
7.5 |
65HRB |
415 |
25 |
|
|
Tungsten alloys |
95%W-Ni-Fe |
18.1 |
30 |
960 |
25 |
|
97%W-Ni-Fe |
18.5 |
33 |
940 |
15 |
|
|
Carbide |
YG8X |
14.9 |
HRA90 |
Bending Strength 2300 |
|
|
Fine Ceramics |
Al2O3 |
3.98 |
HRA92 |
Bending Strength 530 |
|
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