Abrasion Mechanism and Characteristics of Cast Material for Refiner Plates

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Other Title
  • 操業用鋳造部品における材質の摩耗の仕組みと特性

Abstract

Investigation of the reason why refiner segment’s blade made by abrasion resistant hard material will wear during refining pulp which is much softer. Investigation was performed by observing worn out section of used refiner segment.<br>Based on customers evaluation of abrasion resistance of refiner segment materials obtained during their actual operation, several laboratory abrasion tests were performed to find which test method leads to results closest to customers actual operation results. Throughout the tests micro structure image analysis, micro area hardness test and multiple regression analysis were also performed to consider influencing factors for the abrasion resistance.<br>As a result, Suga system abrasion test showed the closest results to the customers actual operation results and largest Influencing factors were as following in influencing order；<br>①Hardness of Eutectic carbide ②Hardness of other carbides ③Volume of Eutectic carbide ④Bulk hardness ⑤Max. Dia. of Eutectic carbide ⑥Min. Dia. of Eutectic carbide ⑦Volume of other carbide.

Journal

  • JAPAN TAPPI JOURNAL

    JAPAN TAPPI JOURNAL 77 (4), 305-308, 2023

    JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

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