Abstract: Techniques pertaining to anti-motion and anti-interference frame exchange sequences in wireless communications are described. A station (STA), such as a Wi-Fi equipment, determines to enable a frame exchange sequence (FES). The STA then communicates with one or more other STAs by utilizing the FES in which preamble puncturing sounding and data transmission are performed in a same transmission opportunity (TXOP).

Abstract: A fastening assembly includes a magnesium alloy member, a metallic sheet defining a through hole, a metallic bolt, and a nut positioned on an end of the bolt and attached to the metallic sheet. The magnesium alloy member includes a magnesium alloy base, and at least one resin coating layer formed in at least one portion of the magnesium alloy base. The magnesium alloy member defines a through hole penetrating through the magnesium alloy base and the at least one resin coating layer. The metallic bolt extends through the through holes of the magnesium alloy base and the metallic sheet. An inner width of the through hole of the magnesium alloy member is greater than a width of the metallic bolt, a material of the metallic bolt is different from a material of the magnesium alloy base or a material of the metallic sheet.

Abstract: A method for making a magnesium-based composite material includes mixing nanoscale reinforcements with a melted magnesium-based material to obtain a pre-mixture. The pre-mixture is agitated by an ultrasonic process to obtain a mixture. The mixture is sprayed to a substrate.

Abstract: Magnesium-based alloys having good mechanical properties, such as mechanical strength, ductility, and castability, and methods of making the magnesium alloys are disclosed. The magnesium alloys comprise 8.7 to 11.8 wt % aluminum, 0.63 to 1.93 wt % zinc, 0.1 to 0.5 wt % manganese, 0.5 to 1.5 wt % rare earth elements, and a remainder of said magnesium alloy being composed of magnesium and unavoidable impurities.

Abstract: A magnesium alloy includes 8.7 to 11.8 wt % aluminum, 0.63 to 1.93 wt % zinc, 0.1 to 0.5 wt % manganese, 0.5 to 1.5 wt % rare earth elements, and a remainder of said magnesium alloy being composed of magnesium and unavoidable impurities.

Abstract: A method for making a magnesium-based composite material includes mixing nanoscale reinforcements with a melted magnesium-based material to obtain a pre-mixture. The pre-mixture is agitated by an ultrasonic process to obtain a mixture. The mixture is sprayed to a substrate.

Abstract: A method for fabricating a light metal-based nano-composite material, the method includes the steps of: (a) providing melted metal and nanoscale reinforcements; (b) ultrasonically dispersing the nanoscale reinforcements in the melted metal by means of ultrasonically mixing to achieve a mixture with the nanoscale reinforcements uniformly dispersed therein; and (c) cooling the mixture.

Abstract: An exemplary magnesium alloy member superior in corrosion resistance includes a magnesium alloy base, at least one resin coating layer formed in at least one portion of the magnesium alloy base. Methods for making the magnesium alloy member are also provided.