Abstract
Stainless steel laminated object manufacturing (LOM) by vacuum diffusion bonding process was studied experimentally. The results showed that a variety of thermal deformations is easy to form in products in the process. With about 70% of bonding ratio and a bonding temperature of 850°C, the sample can present the performances of the bulk material and macro thermal deformations can be suppressed; at the same time, accumulated thermal deformations thus surface sink and rupture due to higher bonding temperature can be reduced. With a bonding pressure of 2 MPa sufficient bonding ratio can be ensured, thus mismatch defects can be suppressed and over elongated deformation due to higher bonding pressure can be avoided An impact pressure of 5 MPa applied subsequently during cooling down can release residual thermal stress to some extent therefore further control macro deformation.
| Original language | English |
|---|---|
| Pages (from-to) | 1235-1237 |
| Number of pages | 3 |
| Journal | Zhuzao Jishu/Foundry Technology |
| Volume | 27 |
| Issue number | 11 |
| State | Published - Nov 2006 |
Keywords
- Diffusion bonding
- Laminated object manufacturing
- Thermal deformation
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