A method produces a fiber-reinforced body component for a motor vehicle. The body component has at least one opening, in particular one door opening or one window opening. The method includes at least the following steps: providing the body component; applying a reinforcing element made of fiber composite material having reinforcing fibers embedded in a matrix, in order to stiffen the body component, the matrix being in an uncured state, and the reinforcing element being applied to an opening frame of the opening, which opening frame is formed by the body component.

A vehicle body structural member for a vehicle is provided on one or more of front and rear of a vehicle body, and made of a fiber-reinforced resin. The vehicle body structural member includes first and second members. The first member contains continuous fibers including first continuous fibers oriented along a vehicle body longitudinal direction and second continuous fibers oriented along a vehicle width direction. A content ratio of the first and second continuous fibers exceeds 50%. The second member contains continuous fibers including third continuous fibers oriented along a direction that is inclined, at a predetermined angle, left with respect to the vehicle body longitudinal direction and fourth continuous fibers oriented along a direction that is inclined, at the predetermined angle, right with respect to the vehicle body longitudinal direction. A content ratio of the third and fourth continuous fibers exceeds 50%.

A vehicle body structural member for a vehicle is provided on one or more of front and rear of a vehicle body, and made of a fiber-reinforced resin. The vehicle body structural member includes first and second members. The first member contains continuous fibers including first continuous fibers oriented along a vehicle body longitudinal direction and second continuous fibers oriented along a vehicle width direction. A content ratio of the first and second continuous fibers exceeds 50%. The second member contains continuous fibers including third continuous fibers oriented along a direction that is inclined, at a predetermined angle, left with respect to the vehicle body longitudinal direction and fourth continuous fibers oriented along a direction that is inclined, at the predetermined angle, right with respect to the vehicle body longitudinal direction. A content ratio of the third and fourth continuous fibers exceeds 50%.

An assembly for a vehicle includes a vehicle roof and a headliner supported by the vehicle roof. The assembly includes an energy absorber between the headliner and the vehicle roof. The energy absorber includes a wall extending transversely to the headliner and the vehicle roof. The wall includes a lattice structure including a repeating pattern of strips and open cells.

In an automotive structural member, weight efficiency of impact resistance is improved. An automotive structural member includes: a hollow member having plane portions; and an FRP member joined to at least one section of the plane portions, wherein: the FRP member is joined to a region of at least 0.1L1 to 0.9L1 of a length L1 in a longitudinal direction of the hollow member; the plane portion is formed with an FRP joint portion being a portion to which the FRP member is joined and an FRP non-joint portion being a portion to which the FRP member is not joined, in the region of 0.1L1 to 0.9L1; a total width of the FRP joint portion is 8 to 60% of a full width of the plane portion, in the plane portion; and a flexural rigidity of the FRP member in the FRP joint portion is 30 times or more a flexural rigidity of the plane portion excluding the FRP member in the plane portion.

A fiber-reinforced resin composite material has a longitudinal direction, and includes a first stack, a second stack, a ridge, a flat surface, and a connection. The ridge extends in the longitudinal direction. The flat surface is continuous to the ridge. The connection is where the first and second stacks are coupled. The first and second stacks are joined to each other in a direction intersecting the longitudinal direction. Fibers of at least one of first fiber-reinforced resin sheets included in the first stack, fibers of at least one of second fiber-reinforced resin sheets included in the second stack, or both intersect the ridge. The connection includes the first and second fiber-reinforced resin sheets that are overlapped alternately, and includes ends of the first fiber-reinforced resin sheets, ends of the second fiber-reinforced resin sheets, or both that are shifted from each other to allow the connection to have a gradually-varied thickness.

An embodiment floor structure of a vehicle includes a pair of side seals disposed to face each other in a vehicle width direction, and respectively disposed in a vehicle length direction, a floor frame disposed between the pair of side seals and including a pair of longitudinal frames respectively arranged along the pair of side seals and at least one transverse frame mounted between the pair of longitudinal frames in the vehicle width direction, and at least one core structural member disposed in a space provided by the floor frame and including a material for absorbing impact.

Presented are protective covers for weldable fasteners, methods for making/using such cover-protected weldable fasteners, and motor vehicles with such covered fasteners welded to load-bearing structural members. A weldable fastener assembly includes a fastener, such as a weld-on nut or clip retainer, that is fabricated with a shank and a flange. One end of the shank has a fastener hole that receives therethrough a mating fastener, such as a bolt, screw, stud, or clip. The flange is formed, in whole or in part, from a weldable material for welding to a load-bearing panel or other structural support member. The flange may be integrally formed with and project radially outward from the shank. A protective cover is attached to the flange and covers the fastener hole. The protective cover is frangible and formed, in whole or in part, from a material designed to withstand the temperature at which the weldable material melts.

An exemplary multi-dimensional load structure may include a base panel having a tiered structure with an upper layer, a lower layer, and at least one interior layer therebetween. The load structure may also have a glass layer applied to at least surfaces of each of the upper layer, the lower layer, and the at least one interior layer not in contact with an adjacent layer. The load structure may further have a coating applied to the exterior of the glass layer. The at least one interior layer may be configured to withstand a greater compressive force than the upper layer and the lower layer and/or the upper layer and the lower layer may be lighter than the at least one interior layer.

A sandwich panel floor modular structure includes a sandwich panel configured to be fixed on a floor panel of a vehicle, a center rail embedded in the sandwich panel and configured to guide a console to move in a longitudinal direction of the vehicle, and seat rails embedded in the sandwich panel and spaced apart from both sides of the center rail, the seat rails configured to guide a seat to move in the longitudinal direction of the vehicle.