权利要求：
1. A method of overhaul of a component (20), comprising: a) comparing a component (20) to reference data to provide additive manufacturing data; b) depositing material (40A, 40B, 62A, 62B) on the component (20) using an additive manufacturing device (24) based upon the additive manufacturing data to provide a first object, the depositing of material includes initially depositing a first material (62B) having a first melting point, and then depositing a second material (62A) which has a second melting point that is lower than the first melting point of the first material (62B), with the depositing step further including heating the first and second materials with a laser (34) to sinter the deposited materials (40A, 40B, 62A, 62B) to the component (20), then putting the component (20) into a furnace (26) for a heat cycle; c) determining predicted characteristics of the first object; d) comparing the predicted characteristics of the first object to the reference data to provide machining data; and e) machining the first object using the machining data.
2. The method as set forth in claim 1, wherein step a) includes scanning the component (20).
3. The method as set forth in claim 2, wherein the step a) scanning uses computed tomography.
4. The method as set forth in claim 3, wherein step c) includes scanning the component (20) again utilizing computed tomography to provide second scan data.
5. The method as set forth in any preceding claim, wherein the reference data comprises data from a design specification for the component (20).
6. The method as set forth in any preceding claim, wherein the second material (62A) fills a void (22) in the component (20).
7. The method as set forth in any preceding claim, wherein the first material (62B) forms a cladding (123) over a substrate (42) of the component (20).
8. The method as set forth in any preceding claim, wherein the first material (62B) forms a cladding (123) over a worn surface (124) of the component (20).
9. The method as set forth in any preceding claim, further comprising removing a residual coating (27) from the component (20) to expose a surface prior to step c).
10. The method as set forth in any preceding claim, wherein the machining of step f) removes some of the material (40A, 40B, 62A, 62B; 125) deposited during step c).
11. The method as set forth in any preceding claim, wherein the component (20) is from a gas turbine engine.
12. A method of overhaul of a component (20), comprising: a) scanning a component (20) using computed tomography to provide first scanned data; b) comparing the first scanned data to reference data to provide additive manufacturing data; c) depositing material (40A, 40B, 62A, 62B) on the component (20) using an additive manufacturing device (24) based upon the additive manufacturing data to provide a first object, the depositing of material includes initially depositing a first material (62B) having a first melting point, and then depositing a second material (62A) which has a second melting point that is lower than the first melting point of the first material (62B), with the depositing step further including heating the first and second materials with a laser (34) to sinter the deposited materials (40A, 40B, 62A, 62B) to the component (20), then putting the component (20) into a furnace (26) for a heat cycle; d) determining predicted characteristics of the first object, step d) including scanning the first object utilizing computed tomography to provide second scan data; e) comparing the predicted characteristics of the first object to the reference data to provide machining data; and f) machining the first object using the machining data, wherein the machining of step f) removes some of the material (40A, 40B, 62A, 62B; 125) deposited during step c), optionally wherein: the second material fills (62A) a void (22) in the component (20); the first material (62B) forms a cladding (123) over a worn surface (124) on the component (20); and/or the component (20) is from a gas turbine engine.
13. A system for overhauling a component (20) comprising: a scanning device (103) configured to scan a component (20) using computed tomography and provide scanned data indicative of one or more characteristics of the component (20); an additive manufacturing device (24) configured to deposit material (40A, 40B, 62A, 62B) on the component (20) to provide a first object, with the additive manufacturing device (24) controlled by additive manufacturing data; a machining device (102) configured to remove material (40A, 40B, 62A, 62B; 125) from the first object based upon machining data; and a controller (100) programmed to compare a first scanned data from the scanning device (103) with reference data to provide the additive manufacturing data, and the controller (100) further programmed to compare a second scanned data from the scanning device (103) with the reference data to develop the machining data, and wherein the controller (100) is further programmed to initially deposit a first material (62B) having a first melting point onto the component (20), and then subsequently deposit a second material (62A) having a second melting point that is lower than the first melting point of the first material (62B) onto the component (20).
14. The system as set forth in claim 13, wherein the component (20) is from a gas turbine engine.
15. The system as set forth in claim 14, wherein the component (20) is a static vane.