Method of three-dimensional printing using a multi-component build powder
US11001048B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2014 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Jun 10, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Methods are disclosed for making articles (2) by three-dimensional printing. The methods include three-dimensional printing a build powder mixture which includes a first material powder and a second material powder to form a printed article and subsequently heating the printed article to a temperature at which a sufficient amount of the second material powder melts to enable it to infiltrate throughout the interstices between the first material powder particles so that the article (2) achieves a room temperature relative density of at least 85 percent of its theoretical density, the theoretical density being the density the article (2) would have if it contained no porosity. The first material powder has a melting temperature, melting temperature range, or dissociation temperature which is higher than the melting temperature or melting temperature range of the second material powder and the first material powder has no more than a limited amount of solubility in the second material powder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.