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  1. B200 工学部/工学研究科
  2. B200b 紀要
  3. Memoirs of the Faculty of Engineering, Nagoya University
  4. 40(1)

Development of measuring and characterizing methods of mechanical properties of powder particles

https://doi.org/10.18999/memfenu.40.1.1
https://doi.org/10.18999/memfenu.40.1.1
9fbaac94-b22d-493d-bd52-d5e0cf5dce89
名前 / ファイル ライセンス アクション
40-1-01.pdf 40-1-01.pdf (4.9 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2020-10-29
タイトル
タイトル Development of measuring and characterizing methods of mechanical properties of powder particles
言語 en
著者 Jimbo, Genji

× Jimbo, Genji

WEKO 101978

en Jimbo, Genji

Search repository
Yamazaki, Ryohei

× Yamazaki, Ryohei

WEKO 101979

en Yamazaki, Ryohei

Search repository
Tsubaki, Jun-Ichiro

× Tsubaki, Jun-Ichiro

WEKO 101980

en Tsubaki, Jun-Ichiro

Search repository
Kamiya, Hidehiro

× Kamiya, Hidehiro

WEKO 101981

en Kamiya, Hidehiro

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 To make clear the fundamental characteristics of powder material and its behaviors, which are still very difficult to analyse and to predict quantitatively, several kinds of measuring principles and methods have been developed by the authors. And it was found that the results obtained by different methods scattered largely and showed very poor coincidence. Reasons for such big difference in the results of the measurement of adhesive properties are discussed analytically in this report. In the case of single particle measurement, the effects of the direction of separation force and the contact relation of particles are pointed out and new equations including these effects are proposed. In the case of podwer bed, the effect of compression force at the contact point is pointed out as one of the most essential factors which determine the strength of powder bed. Then based on the experimental finding about the relation between the tensile strength and the porosity of powder bed, modified Rumpf s equation is derived semitheoretically and proposed here taking into account of the effect of compression force. Other measurement methods and their results of adhesive properties, such as deagglomeration of agglomerated powder assemblage in air stream and the change of adhesion force against temperature, are also shown. The latter are applied to the analysis of fluidized bed for predicting the incipient fluidization velocity at elevated temperature. Finally time-dependent properties, such as fatigue and creep, are proposed as new characterizing principles of powder materials. With all these results obtained experimentally and theoretically, the main causes of big difference of measured results of adhesion force by different methods are explained qualitatively.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Faculty of Engineering, Nagoya University
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/memfenu.40.1.1
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0027-7657
書誌情報 en : Memoirs of the Faculty of Engineering, Nagoya University

巻 40, 号 1, p. 1-66, 発行日 1988-10-31
著者版フラグ
値 publisher
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