単ロール法による広幅アモルファス薄帯形成に及ぼす多孔ノズル開口形状の影響

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書誌事項

タイトル別名
  • Influence of Multi-Orifice Nozzle Shape on Formation of Wide Amorphous Ribbon in Single Roller Process
  • タン ロールホウ ニ ヨル ヒロハバ アモルファス ハクタイ ケイセイ ニ オ

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抄録

Casting examinations by using a multi-orifice nozzle were carried out to establish a casting process for ultra-wide ribbon in the single roller process. Orifices of every nozzle used were rectangular and a longitudinal side of the rectangular orifices was arranged along the casting direction. It was found that it was possible to coalesce each melt paddle formed between each orifice and the wheel surface across the width of the ribbon by optimizing the dimensions and interval of orifices of the nozzle. However, the free surface of the ribbon obtained undulated regularly across the width. This regular undulation on the free surface of the ribbon seemed to result from the regular difference of the length of the melt puddle in the casting direction across the width of the ribbon. From the results of the present examination, it is considered that the ribbon with a flat surfaces can be obtained, if it is realized to make the length of the melt puddle in the casting direction uniform across the width of the ribbon by using the multi-orifice nozzle.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 57 (4), 421-426, 1993

    公益社団法人 日本金属学会

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