Hyundai Motor Company

Kia Motors Corporation

Hanwha Advanced Materials Corporation

Hanwha Solutions Cornoration

Do Wan Lim

Seok Hwan Kim

Sang Sun Park

Hyun Cheol Yun

Joung Myung Lim

Ji Hwan Choi

KieYoun Jeong

Sung Ki Shin

A vehicle body structure includes a space frame, a roof side bracket fastened to a roof side part of the space frame, a roof matching part provided on an upper side of the roof side bracket, and a roof panel, wherein a lower side of the roof panel is supported by the roof matching part.

Vehicle body structure

A bumper back-beam for a vehicle is provided. The bumper back beam includes a glass fiber mat reinforced plastic composite and a carbon fiber reinforced plastic composite disposed within the glass fiber reinforced plastic composite. The glass fiber mat reinforced plastic composite includes polypropylene at about 45 to 60 wt. %, glass fiber at about 35 to 45 wt. %, a crosslink agent at about 0.1 to 10 wt. %, peroxide at 0.1 to 4 wt. %, and an antioxidant at about 0.1 to 4 wt. %. The carbon fiber reinforced plastic composite includes a thermoplastic resin at about 40 to 60 wt. % and a carbon reinforced fiber at about 40 to 60 wt. % arranged in a predetermined direction.

Bumper back-beam for vehicles

Growing community of inventors

Sejong-si, South Korea

Do Wan Lim