Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Year | Description |
| 1997 | Invention patented by John Joseph Jr. Marcin, Justin Andreas Neutra, David Henry Abbott, James Peter Aduskevich, Dilip M. Shah, Dorothea Nadette Carraway, Raymond Paul Langevin, Marc R. Sauerhoefer, and Richard Alan Stone on November 20th, 1997. Abstract: A containerless method of producing a crack free metallic article of near-net shape includes melting a filler material into a metallic substrate or seed under conditions chosen to preclude cracking. In a preferred embodiment of the invention, a laser beam is operated at a relatively low power density and at a relatively large beam diameter at the substrate surface for an extended length of time to produce a molten pool with a low aspect ratio. Near-net shape is achieved by applying the process in a closed-loop, multi-axis material deposition system. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
