Applicable material:
A variety of materials can be applied to MIM technology, including low alloy steel, stainless steel, tool steel, nickel base alloy, tungsten alloy, hard alloy, titanium alloy, magnetic materials, Kovar alloy and so on.
表1 常用的PIM材料及其应用领域:
Material Category | Material Type | Application |
Fe-based alloys | Fe-2Ni, Fe-8Ni 310 | Various component of automobile and tool instudy |
Stainless steel | 316L ,17-4PH, 420, 440C | Medical equipment and horologe parts |
Hard alloy | WC-Co | Various cutter,horologe and wrist watch |
Ceramic | Al 2O3 , ZrO2 , SiO2 | IT electronic,daily necessary and horologe |
Heavy alloy | W-Ni-Fe, W-Ni-Cu, W-Cu | Mikitary industry,communication and daily necessaries |
Titanium alloy | Ti,Ti-6Al-4V | Component of medical and military |
Magnetic material | Fe, Fe50Ni, Fe-Si | Various magnetic component |
Tool steel | 42CrMo4,M2 | Tools |
Copper alloy | —— | heat conduction, electric conduction |
表2 几种典型PIM材料的性能:
Material | Density | Hardness | Tensile strength | Elongation | |
g/cm 3 | 洛氏 | MPa | % | ||
Fe-based alloys | PIM-2200(烧结态) | 7.60 | 45HRB | 290 | 40 |
PIM-2700(烧结态) | 7.60 | 69HRB | 440 | 26 | |
PIM-4605(烧结态) | 7.60 | 62HRB | 415 | 15 | |
PIM-4605(淬、回火) | 7.60 | 48HRC | 1655 | 2 | |
Stainless steel | PIM - 316L (烧结态) | 7.85 | 67HB | 520 | 50 |
PIM- 17-4PH (烧结态) | 7.5 | 27HRC | 900 | 6 | |
PIM- 17-4PH (烧结态) | 7.5 | 40HRC | 1185 | 6 | |
PIM - 440C (烧结态) | 7.5 | 65HRB | 415 | 25 | |
Tungsten alloy | 95%W-Ni-Fe | 18.1 | 30 | 960 | 25 |
97%W-Ni-Fe | 18.5 | 33 | 940 | 15 | |
Fine ceramic | Al2O3 | 3.9 | HRA92 | Bending strength | - |