Výsledky vyhledávání - "Takahito Goshima"

Stress Field on the Periphery of an Inclusion or a Void in a Half-Space Subjected to Rolling Contact with Frictional Heat

Autor: Sotomi Ishihara, Kaori Ueda, Takahito Goshima, Masayoshi Shimizu

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 73:575-582

This paper deals with the analysis of the stress field on the periphery of a rigid inclusion or a circular void in an elastic half space subjected to rolling contact with frictional heat. The analysis is two-dimensional, the roller and the inclusion

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3dc44fe3e1318d0b94f68aea5e663d6
https://doi.org/10.1299/kikaia.73.575

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Stress Analysis of a Circular Cylinder in Pressing Fit Process

Autor: Yoshiya Ougi, Yoshiaki Mugishima, Masayoshi Shimizu, Takahito Goshima, Toshihito Moriwaki

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 72:200-207

This paper considered stress analysis of a circular cylinder in pressing fit process. The pressing fit experiment was conducted, the strain of the center part of circular cylinder was measured, and the stress was calculated. As a result, the load has

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1e1b2bed76a4ec787f55eace3c6aae8
https://doi.org/10.1299/kikaia.72.200

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Transient Thermal Stresses of Coated Materials due to Sliding Contact with Changing Frictional Coefficient

Autor: Masayoshi Shimizu, Takahito Goshima, Yukari Tachi, Sotomi Ishihara, Kiyoshi Tamura

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 72:1772-1778

This paper deals with the transient thermal stresses of a surface layered material due to the sliding contact with changing frictional coefficient. The actual frictional coefficient is given by the experimental results of the sliding-contact test on

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a2304464dfed1ac32ed833b871f76e1
https://doi.org/10.1299/kikaia.72.1772

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Ultrasonic Measurement of Bone Density and Young's Modulus (Examination of Accuracy of the Measurement)

Autor: Bailin Ding, Takeshi Takazawa, Miki Ota, Sotomi Ishihara, Hiroshi Shibata, Takahito Goshima

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 72:957-963

This study was performed as a part of the research on the ultrasonic measurement in vivo of bone porosity, density, Young modulus and hardness. It was clarified that the bone porosity estimated by Biot's theory agrees well with the actual porosity wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5674fc8c9d09dacf56b141cba0886ac7
https://doi.org/10.1299/kikaia.72.957

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Three Dimensional Internal Inclined Crack Growth Behavior due to Repeated Rolling Thermoelastic Contact Considering Friction of Crack Surface

Autor: Sotomi Ishihara, Ryuji Uchiyama, Masayoshi Shimizu, Takahito Goshima

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 71:1546-1553

This paper considered three dimensional internal inclined crack growth behaviors due to repeated rolling thermoelastic contact. In this analysis, crack is modeled as an internal inclined planar crack in a three dimensional half-space. Rolling contact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3e085a025fa34fed743eadfb607fdee
https://doi.org/10.1299/kikaia.71.1546

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AFM Study on Crack Initiation and Growth Behavior in an Extruded Aluminum Alloy 2024-T3

Autor: Takahito Goshima, Sotomi Ishihara, Hiroshi Shibata, Shinji Saka

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 71:479-485

In the present study, rotating bending fatigue tests were performed on an extruded aluminum alloy 2024-T3 to study a crack initiation and growth behavior on the smooth un-notched specimen. Effect of microstructure of the material on the crack initiat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::278b9a6fd8753ae32208279c02c6c766
https://doi.org/10.1299/kikaia.71.479

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Interference Effects of Multiple Surface Cracks in a Layered Material due to Hot Rolling Contact

Autor: Sotomi Ishihara, Takahito Goshima, Yasuki Tsukada, Masayoshi Shimizu

Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 71:755-762

This paper deals with the mutual interference of multiple two-dimensional surface cracks in a surface coating layered material under thermal stresses due to rolling contact with heat input. Contact loading is simulated as a contact pressure load with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a7fc8bb21f015c99331e7cf217a70c7
https://doi.org/10.1299/kikaia.71.755

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