Kawasaki Jukogyo Kabushiki Kaisha

Kabushiki Kaisha Kawasaki Zosen

Goro Nishiyama

Katsumi Nakashima

Shinji Koga

Masayuki Inuzuka

Hidehito Nishida

Tomohei Kobayashi

Shigeki Koe

Kanta Nihei

Hideo Ono

Kouichi Ohta

Akio Murakami

Yasuo Otsuki

Yoshinori Dake

Kentaro Yamazaki

A friction stir welding device for welding an article by means of a welding tool, includes: a tool holding section configured to hold the welding tool and rotate round a predetermined reference axial line; rotation driving unit configured to drive the tool holding section to rotate round the reference axial line; movement driving unit configured to drive the tool holding section to move along the reference axial line; and a car body loaded with the tool holding section, the rotation driving unit and the movement driving unit, the car body being configured to travel above or below the article.

Friction stir welding device

A crack-type fatigue detecting sensor comprises: a foil substrate having a first surface and a second surface fixed to a member to be tested; and a foil fracture piece having a slit formed in a central portion between opposite end portions in a longitudinal direction thereof such that the slit extends from one side portion toward the other side portion in a width direction thereof perpendicular to the longitudinal direction, wherein the opposite end portions of the fracture piece are respectively fixed to the first surface of the substrate and a portion including the central portion having the slit has a thickness smaller than a thickness of the opposite end portions over a whole width.

Crack-type fatigue detecting sensor, method for fabricating crack-type fatigue detecting sensor, and method for estimating damage using crack-type fatigue detecting sensor

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Miki, Japan

Goro Nishiyama