There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.

A friction stir spot welding apparatus including a controller that (A) operates a rotary driver and a tool driver such that a pin and a shoulder are brought into contact with a welded workpiece; (B) operates, after the (A), the rotary driver and the tool driver such that the pin separates from the welded workpiece; and (C) operates, after the (B), the rotary driver and the tool driver such that the pin advances toward the welded workpiece. The controller controls the tool driver such that pressing force applied to the welded workpiece from the pin and the shoulder in the (C) is smaller than that in the (B) and/or controls the rotary driver such that rotational frequencies of the pin and the shoulder in the (C) are lower than those in the (B).

A method for additive manufacturing of three-dimensional objects from metallic glasses utilizing a process of melting of successive layers of the starting material by a laser beam or an electron beam. The method includes steps such that every material layer is melted twice, using parameters which yield a crystalline melt trace in the first melting, and the successively melted beam paths contact with one another, while in the second melting, parameters yielding an amorphous melt trace are used, and the successively remelted paths or spots do not come in contact with one another, and/or between the scanning of successive paths or spots, an interval not shorter than 10 ms is maintained, the surface power density in the first remelting being lower than in the second remelting.

One exemplary embodiment of this disclosure relates to a gas turbine engine, including a component having a first portion formed using one of a casting and a forging process, and a second portion formed using an additive manufacturing process.

The present invention provides a device and method for electromagnetic induction heating-assisted laser additive manufacturing of a titanium matrix composite and belongs to the technical field of laser additive manufacturing. The device includes a coaxial-powder feeding laser deposition system and an electromagnetic induction heating synchronous auxiliary system. The coaxial-powder feeding laser deposition system includes a substrate, a deposition sample, a laser head and an infrared thermometer. The electromagnetic induction heating synchronous auxiliary system includes an electromagnetic induction power supply auxiliary unit, a coil, a steering heightening mechanism, a driven shaft and a transverse sliding groove. The coil is connected to an output end of the electromagnetic induction power supply auxiliary unit. The coil and the laser head do synchronous movement to implement small-area real-time preheating and slow cooling on the deposition sample.

A computer-controlled method of component manufacture is disclosed, which includes winding a thread of material around a shaping element to form a first layer formed of adjacent turns of the thread. The winding is repeated to form a second layer of adjacent turns of the thread on top of the first layer. A laser beam is then applied between adjacent turns of each layer to attach them at predetermined points.

A method for making an article is disclosed. According to the method, a digital model of the article is generated. The digital model is inputted into an additive manufacturing apparatus comprising an energy source. The additive manufacturing apparatus applies energy from the energy source to successively applied incremental quantities of a powder to fuse the powder to form the article corresponding to the digital model. The powder particles individually include a composite core including a first phase of a first metal and a second phase of a ceramic. A first shell including a second metal is disposed over the core.

The light guide device includes a first light guide part, a polygon mirror, a second light guide part, and an adjustment part. The first light guide part reflects and guides the laser light emitted from the laser generator. The polygon mirror has a reflective part (33), and the reflective part (33) reflects the laser light guided by the first light guide part while the reflective part (33) rotates. The second light guide part reflects the laser light reflected at the reflective part (33) of the polygon mirror and directs the light so that the laser light is illuminated to the workpiece at each reflective part (33), respectively. The adjustment part adjusts the position of the light incident on the polygon mirror in the rotation axis direction of the optical axis, thereby changing the positions of light incident on the irradiation target in the line width direction. The irradiation target is irradiated with the light while the position of the light in a line width direction.

The light guide device includes a first light guide part, a polygon mirror, and a second light guide part. The first light guide part reflects and guides the laser light emitted from the laser generator. The polygon mirror is configured to be rotatable and includes a plurality of reflective parts (33), the reflective parts (33) being arranged to form a regular polygonal reflective surface when viewed in a rotation axis direction, the polygon mirror reflecting the laser light guided by the first light guide part by the reflective part while rotating. The second light guide part reflects the laser light reflected at the reflective part (33) of the polygon mirror and guides the laser light so that the laser light is irradiated to the workpiece at each of the reflective parts (33). The reflective part (33) of the polygon mirror is configured to reflect the incident laser light so that the optical axis of the incident light offset in the rotation axis direction. At least two reflective parts (33) differ from each other in position in the rotation axis direction.

A method for bonding components is disclosed. The method may comprise positioning an interlayer between a metallic component and a metal-plated non-metallic component at a bond region, heating the bond region to a bonding temperature to produce a liquid at the bond region, and maintaining the bond region at the bonding temperature until the liquid has solidified to firm a bond between the metallic component and the metal-plated non-metallic component at the bond region. A method for providing a part having a customized coating is also disclosed. The method may comprise applying a metallic coating on a surface of a metallic substrate, and bonding the metallic coating to the metallic substrate by a transient liquid phase bonding process to provide the part having the customized coating.