Additive Manufacturing
Additive manufacturing (AM), sometimes referred to as 3D printing, is a manufacturing process used to produce three-dimensional solid parts and components. Objects are created using a series of additive layers put down in succession, each slightly different than the one before it, to create a finished 3-D part. Since material is added to create the part, this process is known as additive manufacturing. This process is completely the opposite of traditional part production in which a part is made by removing material through a machining process.
The picture shows an example of a complex part, manufactured as one piece through binder jetting, placed on the original GTP tungsten carbide powder WC701. GTP developed this powder grade especially for the use in 3D binder jetting applications.
| There are numerous advantages to the AM process, including: | |
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GTP is currently developing tungsten and tungsten carbide-cobalt (WC-Co) based powders ideally suited for achieving high density parts fabricated using different additive manufacturing technologies like binder jetting and powder bed fusion (Selective Laser Sintering, Electron Beam Melting, etc.).
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| The pictures show an ExOne binder jet 3-D printer at GTP in Towanda, USA. In close cooperation with Exone we optimized powder properties for binder jetting applications and are already able to print and sinter finished parts in small batches. | ||
The following table shows additive manufacturing methods and suitable materials. For more information, please don't hesitate to contact one of our principle scientists.
| Tungsten Metal | Tungsten Carbide Cobalt | Copper Coated Tungsten | |||
|---|---|---|---|---|---|
| Powder Grade Designation | AM WD100 | AM WD200 | AM WC701 | AM WC702 | AM WCu |
| Direct Metal Laser Sintering (DMLS, SLS, EBM) |  ready-to-use | ready-to-use | - | - | - |
| Binder Jetting | - | - | ready-to-use | ready-to-use | - |
| High Velocity Deposition (Cold Spray) | - | - | - | - | ready-to-use |
| Please feel free to get in contact with our expert. Thomas Wolfe has all the details. e-mail: Thomas Wolfe, Ph.D. call +1 570 268-5344 |  |
| Tungsten powder for direct metal laser sintering (DMLS, EBM, SLS) |
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AM WD100 a high purity spherical tungsten powder
| Particle Size (μm) | D10 | D50 | D90 |
|---|---|---|---|
| 5-10 | 5-15 | >15 | |
| Bulk Density (g/cm3) | 8-12 | ||
AM WD200 a high purity spherical tungsten powder
| Particle Size (μm) | D10 | D50 | D90 |
|---|---|---|---|
| 5-15 | 15-30 | >30 | |
| Bulk Density (g/cm3) | 6-12 | ||
| Carney Flow (s/200g) | 15 max | ||
AM W300 a high purity crystalline tungsten powder
| Particle Size (μm) | D10 | D50 | D90 |
|---|---|---|---|
| 10-25 | 25-40 | >40 | |
| Bulk Density (g/cm3) | 5-10 | ||
| Carney Flow (s/200g) | 15 max | ||
| Tungsten carbide-cobalt powder for binder jetting printers |
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AM WC701 a spherical tungsten carbide-cobalt powder
| Particle Size (μm) | D10 | D50 | D90 |
|---|---|---|---|
| 10-25 | 15-30 | >30 | |
| Carney Flow (s/200g) | <20 | ||
| App. Density (g/cm3) | 4-8 | ||
| Co (%) | 11-13 | ||
AM WC702 a spherical tungsten carbide-cobalt powder
| Particle Size (μm) | D10 | D50 | D90 |
|---|---|---|---|
| 5-15 | 15-30 | >20 | |
| Carney Flow (s/200g) | <20 | ||
| App. Density (g/cm3) | 4-8 | ||
| Co (%) | 11-13 | ||
AM WC703 a spherical tungsten carbide-cobalt powder
| Particle Size (μm) | D10 | D50 | D90 |
|---|---|---|---|
| 5-15 | 15-30 | >20 | |
| Carney Flow (s/200g) | <20 | ||
| App. Density (g/cm3) | 4-8 | ||
| Co (%) | 11-13 | ||
The video shows samples of tungsten carbide parts being printed with an ExOne Innovent binder jetting printer at GTP's headquarters in Towanda, PA, USA.
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