The Nagoya Institute of Technology (名古屋工業大学, or less commonly Nitech, is a public highest-level educational institution of science and technology located in Nagoya city, Japan.
Nagoya Institute of Technology has been actively making efforts to respond to various requests from local industries under the banner of "fusion with industries in the central region of Japan." As a research institute, we strive to solve industrial issues from an academic perspective and meet demands by creating new value. Also, as an educational institute, in spring 2022, we will graduate the first students from the Creative Engineering Program, a six-year integrated course we have established in response to requests for development of future leaders in innovation.
Although Japan’s technological strengths more than make up for its scarcity of natural resources, this scientific and technological powerhouse has recently been losing steam. Its workforce is shrinking due to a lower birthrate and an aging population. The nation seems to perform less well in world rankings for various indicators of technological competence.
Under these circumstances, the mission of engineering is shifting from technological improvement to innovation in the belief that creating new value will bring unprecedented happiness. In other words, we are embarking on a new era of engineering, leaving behind the old mindset of starting with what already exists, and facing the "black box" of innovation head-on focusing on "happiness creation."
Rapid progress in engineering brings dramatic changes to society. In line with the demands of the times, Nagoya Institute of Technology practices "heart-oriented engineering" with which we always take an objective view of head-oriented engineering, thus contributing to building a society where everyone can feel rich at heart.
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Mr. Masato Furuta, ADVICS CO.,LTD., JAPAN
Mr. Yukio Nishizawa, ADVICS CO.,LTD., JAPAN
Mr. Masaru Yagihashi, ADVICS CO.,LTD., JAPAN
Mr. Masayoshi Fuji, Nagoya Institute of Technology, JAPAN
In the automotive industry, regulations concerning fuel economy are expected to be reinforced to address environmental and energy-related issues. Therefore, demands for products with reduced size and weight are expected to increase. Furthermore, measures for reducing CO2 emissions in the manufacturing process will also be required to contribute to a low-carbon society. However, conventional brake pads, which contain organics in the blended materials, are not beneficial to reducing the size and weight of brake pads because organic materials tend to decompose during high-temperature friction, leading to reduction in frictional performance. Furthermore, the heating process, which is a source of CO2 emissions, cannot be eliminated in the manufacturing process, because thermosetting resins are used as a binder.
Given the above issues, this research focused on a ceramics technology that utilizes mechanochemical reactions to achieve solidification without firing (non-firing ceramics). By using the non-firing ceramics as a binder, it is expected that high temperature decomposition can be prevented and frictional performance can be improved. It is also expected that CO2 emissions can be reduced, as this technology is a solidification method that proceeds at low temperatures and completes in a short time; this implies that firing will not be required in the manufacturing process.
We combined the binder (non-firing ceramics) with abrasive materials, lubricants, inorganic fillers, and reinforcement fibers, and fabricated brake pads. Results showed that the fabricated brake pads had demonstrated good frictional performance under high temperature and sufficient strength. We consider that non-firing ceramics can be applied to brake pads.
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