自動車駆動部品の軽量化技術

概要

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It is an urgent need in automotive industries to tackle the global enviromental problemes, especially “green house effect”. As carbon dioxide exhausted from vehicles is the main cause, it is strongly required to enhance the fuel efficiency. There is a trend, furthermore, to mount new equipments, especially for the assuring driver safety and easy drivability. Therefore, the weight reduction technology is becoming more and more important, recently.In this paper, the current technoloby and the future outlook on the power train components, especially by focussing on the materials technology. Although it is the most effective way to apply the light metals such as aluminum and magnesium to reduce the weight, there remains many technical problems to be solved, needless to say its expensive cost.Therefore, it is still essential to utilize steel materials effectively not only by developing new steels but by innovating the parts producing process.
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