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Active learning in maritime education

Kunieda Y., Kashima Y., Kido H., Murai K.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2017

Vol. 11, no. 1

135--140

In the field of education, the importance of active learning as a more effective educational method has recently been noted. The element of active learning was introduced to the anchoring training of the training ship for third-year students of Tokyo University of Marine Science and Technology, and its effects have been verified. The learning effect of training was confirmed by the questionnaire results of the students. Moreover, the self-evaluations of student and evaluation of instructor confirmed the skill of grasping a ship's position with improved accuracy and learning effects. Self-evaluation and evaluation by the other student, which were introduced as the element of active learning, both demonstrated a positive learning effect. Furthermore, since an effective training method was examined, a result is reported.

Rolling contact fatigue of Ti64 bearings before and after laser gas nitriding

Santos E.C., Kida K., Rozwadowska J., Kashima Y.

Zeszyty Naukowe. Mechanika / Politechnika Opolska

2011

z. 99

50-52

Due to their biocompatibility and high strength-to-weight ratio titanium and Ti alloys are widely used in high end application in the medical and aeronau- tical industries. The materials` low wear resistance presents a disadvantage that is approached in this work. In order to enhance the rolling contact fa- tigue properties of the bearings` working surface, a laser coating technique was used. Non-coated and coated specimens were tested in equal conditions and it was found that layers of titanium nitride significantly improve the rolling contact fatigue performance of titanium components.