Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Sungwoo Hitech Co., Ltd.

Kolon Spaceworks Co., Ltd.

Seung Uk Kang

Min Soo Kim

Chi Hoon Choi

Dong Won Kim

Hyun Sik Kim

Jeong Min Cho

Sang Yoon Park

Yong Beom Lee

Hee Seouk Chung

Seung Chan Lee

Sang Sun Park

Seung Hyun Baek

Min Gwan Bae

Sung Goo Kim

Seong Jong Kim

Pil Won Kang

A lower cross member for a vehicle is disposed on a floor of a vehicle. The lower cross member includes a core member and a reinforcing layer. The core member is made of a composite material containing 70 wt. % or more of unidirectional carbon fibers, and the reinforcing layer is made of a composite material containing 70 wt. % or more of fiberglass.

Lower cross member for vehicle

A center pillar for a vehicle is provided and includes carbon-fiber-reinforced plastic (CFRP) and glass-fiber-reinforced plastic (GFRP) that are alternately laminated to reduce the weight of the center pillar and maintain the strength of the center pillar. The center pillar includes a base layer that is formed of CFRP; and laminate layers in which a plurality of layers of CFRP and a plurality of layers of GFRP are alternately disposed on a first surface and a second surface of the base layer individually. Accordingly, the CFRP and the GFRP laminated on the first surface of the base layer and the CFRP and the GFRP laminated on the second surface of the base layer are symmetrical to each other with respect to a thickness direction of the center pillar.

Center pillar for vehicle

Growing community of inventors

Gyeonggi-do, South Korea

Seung Uk Kang