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Featured researches published by Dedi Suryadi.


Tetsu To Hagane-journal of The Iron and Steel Institute of Japan | 2015

Simulation of Coming out of the Shaft from the Ceramics Sleeve During Rotation of the Rollers Connected under Small Shrink Fitting Ratio

Nao-Aki Noda; Yoshikazu Sano; Yasushi Takase; Shota Harada; Dedi Suryadi; Seiichi Kumasaki

自動車用鋼板をはじめとする高級鋼材を生産するための 熱処理炉(Fig.1参照)では,ローラーを用いて鋼材の搬送 が行われている。現在,Fig.2(a)のようなステンレス耐熱 鋼にセラミック溶射でコーティングされた胴部と,ステン レス耐熱鋼の軸部を溶接,焼嵌め等で接合し,中空部を水 冷する構造のローラー(ハースロールと呼ばれる)が,主 として用いられている。このローラーは,炉内の高温環境 下において使用中に,耐熱鋼とセラミックコーティング層 の線膨張係数の違いや,コーティング層の微小欠陥や密着 強度の限界等に起因し,ローラー表面にき裂や剥離 ,そ れに伴う肌あれ,摩耗等の発生を招き,ローラーの寿命を 短くしている。また,ローラー内部を水冷するために熱損 失が無視できない。 そこで,Fig.2(b)のように胴部材料全体をセラミックと し,その両端に鋼製軸を用い,中空部を空冷するローラー 構造を検討している。胴部材料を耐熱性・耐摩耗性 ・耐 腐食性 に優れたセラミックにすることで,現状のコー ティングに起因する欠陥を防止でき,ローラー寿命を飛躍 高温炉中で使われる セラミックローラー稼動中におけるシャフトの抜け


Engineering Failure Analysis | 2015

Failure analysis for coming out of shaft from shrink-fitted ceramic sleeve

Nao-Aki Noda; Dedi Suryadi; Seiichi Kumasaki; Yoshikazu Sano; Yasushi Takase


Transactions of the Japan Society of Mechanical Engineers. A | 2013

Structural Design for Ceramics Rollers Used in the Heating Furnace

Shintarou Matsuda; Dedi Suryadi; Nao-Aki Noda; Yoshikazu Sano; Yasushi Takase; Shota Harada


JOURNAL OF JAPAN SOCIETY FOR DESIGN ENGINEERING | 2016

Effect of the Joint Shape on the Coming out of the Shaft from the Shrinkly Fitted Ceramic Sleeve During Rotation

Yasushi Takase; Dedi Suryadi; Nao-Aki Noda; Yoshikazu Sano; Seiichi Kumasaki


Isij International | 2016

Coming Out Mechanism of Steel Shaft from Ceramic Sleeve

Nao-Aki Noda; Yuanming Xu; Dedi Suryadi; Yoshikazu Sano; Yasushi Takase


The Proceedings of Conference of Kyushu Branch | 2015

219 Mechanism of coming out of the shaft for shrink-fitting systems under two-dimensional plate bending and three-dimensional roller bending

Yuanming Xu; Dedi Suryadi; Yutaro Shimoda; Nao-Aki Noda; Yosikazu Sano


Isij International | 2015

Proposal for New Hearth Roller Consisting of Ceramic Sleeve and Steel Shafts Used in the Heat Treat Furnace

Nao-Aki Noda; Dedi Suryadi; Shintarou Matsuda; Yoshikazu Sano; Yasushi Takase


The Proceedings of Conference of Kyushu Branch | 2014

215 焼嵌めで構成されたセラミックローラー稼動中におけるシャフトの抜けに関する研究 : 抜けのメカニズムについて

Nao-Aki Noda; Kazuyoshi Sano; Yasushi Takase; Dedi Suryadi; Seiichi Kumasaki


The Proceedings of the Materials and Mechanics Conference | 2013

OS0106 Simulation of Coming out of the Shaft from the Ceramics Sleeve for the Shrink Fitted Ceramics Rollers under Rotating Bending and Tension

Nao-Aki Noda; Yoshikazu Sano; Yasushi Takase; Seiichi Kumasaki; Dedi Suryadi; Yuanming Xu; Seiji Syoda; Peng Rao; Yutaro Shimoda


The Proceedings of Conference of Kyushu Branch | 2013

313 Simulation of Coming out of the Shaft from the Ceramics Sleeve for the Shrink Fitted Ceramics Rollers

Yasusi Takase; Nao-Aki Noda; Yoshikazu Sano; Dedi Suryadi; Shota Harada

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Nao-Aki Noda

Kyushu Institute of Technology

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Yoshikazu Sano

Kyushu Institute of Technology

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Yasushi Takase

Kyushu Institute of Technology

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Seiichi Kumasaki

Kyushu Institute of Technology

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Shintarou Matsuda

Kyushu Institute of Technology

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Shota Harada

Kyushu Institute of Technology

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Yosikazu Sano

Kyushu Institute of Technology

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Yuanming Xu

Kyushu Institute of Technology

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Yutaro Shimoda

Kyushu Institute of Technology

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