Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Naomichi Sakamoto"'
Autor:
Shigenari Shida, Naomichi Sakamoto
Publikováno v:
Diamond and Related Materials. 50:97-102
A spark plasma sintering (SPS) method was utilized for the novel production of diamond-like carbon (DLC) compacts. Two amorphous carbon powders with different particle sizes (45 μm and 24 nm diameter) were employed as starting materials for the sint
Publikováno v:
BUNSEKI KAGAKU. 62:535-540
Publikováno v:
2016 IEEE Conference on Electromagnetic Field Computation (CEFC).
Magnetic properties were calculated for magnetic clusters including different temperature regions inside using Monte Carlo method. The model for the calculations is on the assumption that each of grains made of spin array has a different thermal bath
Autor:
Yasuhiro Yokoyama, Naomichi Sakamoto, Koichiro Nobuzawa, Hiroshi Fukuoka, Akira Sugimura, Ikurou Umezu
Publikováno v:
Applied Physics A. 110:629-632
Si and Ge targets were simultaneously irradiated by individual two pulsed lasers, and two plumes from the targets were collided head-on with expectation to prepare hybrid nanoparticles. We investigate effects of He background gas pressure on plume co
Publikováno v:
Diamond and Related Materials. 17:1706-1709
To aid investigation of formation processes and/or adhesiveness properties, microstructures of the interface between diamond-like carbon (DLC) film produced by focused ion-beam chemical vapor deposition method and crystalline Si substrate were analyz
Publikováno v:
JSME International Journal Series C. 49:361-369
The processing conditions for deposition of DLC using the FIB-CVD method were examined in detail. Microstructures and mechanical properties of the DLC specimens were also investigated. The deposition process of the DLC specimen is varied by the probe
Publikováno v:
Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21. :811-816
Publikováno v:
Journal of the Society of Materials Science, Japan. 54:987-992
Publikováno v:
Journal of the Japan Society for Precision Engineering, Contributed Papers. 71:1383-1387
Publikováno v:
JSME International Journal Series A. 48:275-279
The influence of heat treatment on the mechanical properties of DLC deposited by FIB-CVD was examined. To evaluate the mechanical properties, Young’s modulus and Vickers hardness were measured by the nano indentation tester. For the characterizatio