High-Temperature Resistant Materials for Military Applications, Materials for 5G Optical Communication, Electrical Alloys for High-Voltage Switches, Electrodes for EDM (Electrical Discharge Machining), Microelectronic Materials
Advantages: High Strength · High Density · High Temperature Resistance · Arc Erosion Resistance · Good Electrical and Thermal Conductivity
Material Properties
| Tungsten-Copper Alloy | Density/g·cm⁻³ | Thermal Conductivity/W·M⁻¹·K⁻¹ | Coefficient of Thermal Expansion /10⁻⁶/℃ |
|
90W-10Cu |
>16.7 |
>160 |
6.9 |
|
85W-15Cu |
>15.9 |
>170 |
7.2 |
|
80W-20Cu |
>15.2 |
>180 |
8.4 |
Applied to heat dissipation related core components such as data center servers, satellites, etc.
Physical and Mechanical Properties
| Density | ≥8.7g/cm³ |
| Yield Strength | 280 MPa |
| Tensile Strength | - |
| Elongation | - |
| Hardness | Sintered state 70HV; Heat treated 100HV |
| Thermal Conductivity | ~250 W/(m·K) |
Physical and Mechanical Properties
| Density | ≥8.5g/cm³ |
| Yield Strength | 69 MPa |
| Tensile Strength | 207MPa |
| Elongation | ~30% |
| Thermal Conductivity | 330 W/(m·K) |
Soft Magnetic Materials:
Iron-cobalt alloy has high Curie point and high saturation magnetization intensity
Main application scenarios are high saturation magnetization intensity and high temperature soft magnetic materials
Injection molding mainly studies Fe-35Co and Fe-50Co
Permanent Magnetic Materials:
· Adopts integrated molding-magnetization design and debinding sintering optimization process technology to prepare high-performance MIM NdFeB magnets
· Uses powder metallurgy process to prepare full-grade sintered NdFeB magnets
Sintered NdFeB and MIM NdFeB will be collaboratively developed, targeting the performance ceiling and precision limits of future high-end manufacturing and intelligent equipment. The two form a complementary pattern of "high-performance main force + precision pioneer", becoming the core magnetic functional foundation for new energy, humanoid robots, low-altitude economy, cutting-edge medical and semiconductor equipment
Plastic Magnetic Materials:
Relying on precision injection molding process, through interface modification and uniform dispersion of polymer matrix and high magnetic energy permanent magnetic powder, prepares plastic magnets with deep coupling of high magnetic performance, mechanical strength and molding precision, suitable for miniaturized, high-precision, high-reliability new-generation sensors, servo motors, precision drives and smart actuator system application materials
(High-polish 316L, hardened 316L, F75, TC4, 904L, etc.)
Earphones, luggage accessories, mobile phones, smart wearable devices, brand logos, jewelry
Key points for high-polish stainless steel production:
Select specialized powders with special process treatment
Self-developed proprietary binder formulations
Can develop high-hardness 316L products with hardness above 200HV, achieving mirror polishing effect appearance.
Material Properties
| Item | Description | Density g/cm^3 | Tensile Strength (σb)/MPa | Yield Strength (σs)/MPa | Elongation (δ)/% | Hardness/HV |
|
1 |
TC4 |
≥4.38 |
≥1000 |
≥950 |
≥10 |
≥300 |
|
2 |
SUS316L |
≥7.90 |
≥500 |
≥180 |
≥50 |
≥120 |
|
3 |
SUS316LH |
≥7.90 |
≥600 |
≥250 |
≥50 |
≥180 |
|
4 |
F75 |
≥7.90 |
≥800 |
≥550 |
≥10 |
≥280 |
|
5 |
SUS904L |
≥7.90 |
≥520 |
≥280 |
≥23 |
≥250 |
Materials: 17-4PH, Fe-8Ni, Fe-4Ni, 420, Ti-6Al-4V
Amorphous alloys, ultra-high strength steel, high-temperature nickel-based alloys
Performance Requirements:
Hinge material performance requirements are a combination solution: high strength, lightweight high strength, strong corrosion resistance, non-magnetic, insulating, optimal cost-performance ratio, etc.
High yield strength: individual components greater than 1600MPa
Good wear resistance (high hardness): greater than HV400 or HRC45
Lightweight: lightweight materials, light and high strength, improved performance, weight reduction
Insulation: some hinges have dual requirements for insulation and wear resistance (ceramic)
Material Properties
|
|
Density (g/cm³) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness |
|
17-4PH(Heat Treated) |
7.68 |
1000 |
1100 |
>6 |
350-450 HV |
|
Fe-8Ni(Heat Treated) |
7.7 |
1100 |
1250 |
<1 |
400-550 HV |
|
420(Heat Treated) |
7.6 |
1200MPa |
1380MPa |
<1 |
≥45HRC |
|
Ti-6Al-4V |
4.35 |
900 |
950 |
>10 |
350 HV |
| High Strength Steel (Heat Treated) |
7.68 |
1600 |
1700 |
≥5 |
470-550 HV |
| Amorphous Alloy (Zirconium-based) |
6.3 |
—— |
2200 |
<1 |
500 HV |
| Zirconia Ceramic |
6.1 |
—— |
700 |
<1 |
1300 HV |
Transmission mechanisms, wearable electronics, other structural components, luggage decorations
Advantages of Aluminum Alloy:
· Cost advantage for structurally complex components compared to other processing techniques
· Reduced energy loss, almost zero material waste
· MIM aluminum alloy can replicate traditional basis in terms of material and process maturity, and MIM aluminum can expand surface treatments beyond anodizing to include PVD, electroplating, etc.
Aluminum Alloy Material Properties
| MIM 6061 | Density g/cm³ | Vickers Hardness HV | Yield Strength MPa | Tensile Strength MPa | Elongation % | Conductivity IACS | Thermal Conductivity W/(m²·K) | Mirror Polishing | Salt Spray | PVD | Anodizing |
| Sintered State | 2.68±0.01 | 50±5 | 78 | 158 | 26 | 47.1 | 136 | OK | 48h | OK | OK |
| T6 (Strengthened Heat Treatment State) | 2.68±0.01 | 105±5 | 296 | 335 | 6 | 40.9 | \ | OK | \ | OK | OK |
Product Features: · Low Density · High Specific Strength · Biocompatibility · High-Temperature Performance · Corrosion Resistance
Titanium alloy injection molding faces the following challenges:
· Chemically active at high temperatures, prone to impurity contamination
· Mechanical properties are highly sensitive to impurities
MIM Titanium Alloy Features:
Company-proprietary raw material formulations and processing technology capable of sintering titanium alloy in graphite heating field furnaces
Well-controlled impurity levels, carefully adjusted microstructure, excellent performance
Material Properties
|
CP-Ti |
|
|
|
Density |
≥4.35 g ·cm-3 |
|
|
Hardness |
180-240 HV1 |
|
|
Yield Strength |
≥450 MPa |
|
|
Tensile Strength |
≥510 MPa |
|
|
Elongation |
≥10% |
|
|
Ti6Al4V |
|
|
|
Density |
≥4.35 g ·cm-3 |
|
|
Hardness |
300-380 HV1 |
|
|
Yield Strength |
≥900 MPa |
|
|
Tensile Strength |
≥1000 MPa |
|
|
Elongation |
≥10% |
|
