Zobrazeno 1 - 10
of 175
pro vyhledávání: '"Mitsuhiro Okayasu"'
Publikováno v:
Metals, Vol 13, Iss 8, p 1368 (2023)
The demand for higher-strength automotive steel sheets has increased significantly for lightweight and safe body concepts. However, the increment of the steel strength is often limited by the potential occurrence of delayed fracture. This paper discu
Externí odkaz:
https://doaj.org/article/a63be30bf79e4291a75af7e0c9935609
Autor:
Yohanes Yohanie Fridelin Panduman, Nobuo Funabiki, Sho Ito, Radhiatul Husna, Minoru Kuribayashi, Mitsuhiro Okayasu, Junya Shimazu, Sritrusta Sukaridhoto
Publikováno v:
Information, Vol 14, Iss 6, p 312 (2023)
Nowadays, the Internet of Things (IoT) has become widely used at various places and for various applications. To facilitate this trend, we have developed the IoT application server platform called SEMAR (Smart Environmental Monitoring and Analytical
Externí odkaz:
https://doaj.org/article/85b3b0e705234810bb170af24e8822ad
Autor:
Mitsuhiro Okayasu, Tsukasa Ogawa
Publikováno v:
Journal of Advanced Ceramics, Vol 8, Iss 4, Pp 509-518 (2019)
Abstract To better understand the generation of electric power for piezoelectric PbZrTiO3 (PZT) ceramic plate (ϕ25 mm), an attempt was made to investigate experimentally and numerically electric- power generation characteristics during cyclic bendin
Externí odkaz:
https://doaj.org/article/77a575cd3bcd44d09955e82cefd51125
Autor:
Mitsuhiro Okayasu, Yuki Tsuchiya
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 4, Iss 4, Pp 577-583 (2019)
The mechanical properties of long unidirectional (UD) and crossply (CR) carbon fiber reinforced plastics (CFRPs) were investigated at a low temperature (−196 °C). The CFRPs were fabricated from 60 vol.% carbon fiber and epoxy resin. The bending st
Externí odkaz:
https://doaj.org/article/f070ca31d5374dbab729ef6397229ac9
Autor:
Mitsuhiro Okayasu, Tomoki Shigeoka
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 3, Iss 4, Pp 478-484 (2018)
To obtain a better understanding of the fatigue properties and crack growth characteristics of a nanocrystalline titanium based bulk metal glasses (Ti-BMG) made by vacuumed casting process, the fatigue failure mechanisms of Ti-BMG have been investiga
Externí odkaz:
https://doaj.org/article/94dd049150ff4eaead1fa3760e1f28dc
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 2, Iss 1, Pp 128-139 (2017)
With the aim of obtaining copper alloys with favorable mechanical properties (high strength and high ductility) for various engineering applications, the microstructural characteristics of two conventional copper alloys — an aluminum bronze (AlBC;
Externí odkaz:
https://doaj.org/article/e45746534972447caeb5491f09d1964a
Autor:
Yuta Miyamoto, Mitsuhiro Okayasu
Publikováno v:
International Journal on Smart Material and Mechatronics, Vol 2, Iss 1, Pp 1-5 (2017)
In the present work, an attempt was made to develop high quality cast aluminum alloys via a new casting technology, e.g., the heated mold continuous casting (HMC) with ultrasonic vibration (UV) process. With the UV process in the continuous casting p
Externí odkaz:
https://doaj.org/article/8a65c0f5591a482581b8084cd2a6dabb
Publikováno v:
Metals, Vol 10, Iss 6, p 743 (2020)
The wear characteristics of SUS304 and SUS316 stainless steels were evaluated at the rotation speeds of 100 m/s, 200 m/s, and 300 m/s under dry and wet conditions. The transition of friction-induced martensite occurred in wear-affected regions of two
Externí odkaz:
https://doaj.org/article/78a089245ca04ade864ac4cc400bd6dd
Autor:
Kohei BAMBA, Mitsuhiro OKAYASU
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 863, Pp 17-00570-17-00570 (2018)
Domain switching characteristics of a commercial lead zirconate titanate piezoelectric (PZT) ceramic at high temperature of 100℃ were investigated using an electron backscatter diffraction (EBSD) system. The PZT ceramic consisted of a tetragonal st
Externí odkaz:
https://doaj.org/article/76a9c42d1ad2425b92d9b5db812d5adc
Autor:
Mitsuhiro Okayasu
Publikováno v:
International Journal on Smart Material and Mechatronics, Vol 2, Iss 2, Pp 102-105 (2015)
To better understand the material properties of lead zirconate titanate (PZT) ceramics, the domain-switching characteristics and electric power generation characteristics have been investigated during loading and unloading by using various experi
Externí odkaz:
https://doaj.org/article/c4196104dbf144e9bd165f5177942c56