| United States Patent | 6,455,804 |
| Gordon ,   et al. | September 24, 2002 |
A method for the fabrication of large metal matrix composite structures comprising the continuous brazing of aluminum matrix braze-clad tape using an infrared laser to melt the braze clad on the tape while applying pressure to the tape and simultaneously contacting it with previously applied tape layers on a rotating mandrel. The apparatus utilized to accomplish this fabrication process may include a variety of pre and post-contact heaters and preferably includes instruments for the continuous monitoring and control of the process.
| Inventors: | Gordon; Brian Louis (Wheeling, WV); Joseph; Brian E. (Wheeling, WV); Witzqall; James Frederick (Wheeling, WV) |
| Assignee: | Touchstone Research Laboratory, Ltd. (Triadelphia, WV) |
| Appl. No.: | 733566 |
| Filed: | December 8, 2000 |
| Current U.S. Class: | 219/121.64; 219/85.13 |
| Intern'l Class: | B23K 026/00; B23K 001/002 |
| Field of Search: | 219/121.63,121.64,121.85,85.12,85.13,76.1-76.17 228/145 |
| 1854536 | Apr., 1932 | Wilson | 219/123. |
| 1928639 | Oct., 1933 | Berg | 136/201. |
| 2067801 | Jan., 1937 | Taylor | 138/154. |
| 3773241 | Nov., 1973 | Norris | 228/5. |
| 3909898 | Oct., 1975 | Hicks | 156/269. |
| 4353162 | Oct., 1982 | Van Meteren | 226/112. |
| 4803334 | Feb., 1989 | Burke et al. | 219/121. |
| 4841617 | Jun., 1989 | Schmidt et al. | 219/121. |
| 4969255 | Nov., 1990 | Schmidt et al. | 219/121. |
| 5310443 | May., 1994 | Burger | 156/466. |
| 5320882 | Jun., 1994 | Chen | 219/121. |
| 5343015 | Aug., 1994 | Ryan | 219/121. |
| 5410133 | Apr., 1995 | Matsen et al. | 219/615. |
| 5578227 | Nov., 1996 | Rabinovich | 156/180. |
| 5645747 | Jul., 1997 | Matsen et al. | 219/645. |
| 5809647 | Sep., 1998 | Wagner et al. | 29/890. |
| 6053209 | Apr., 2000 | Wagner et al. | 138/142. |
| 6144008 | Nov., 2000 | Rabinovich | 156/180. |
| Foreign Patent Documents | |||
| 2 805 198 | Aug., 2001 | FR. | |