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Study On The Breakdown Of Milling Balls Made Of 13%Cr White Cast-Iron Working In Strong Abrasive And Clash Conditions

Author

Listed:
  • Hoang Thi Ngoc Quyen

    (School of Materials Science and Engineering, HUST, Ha Noi city, Viet Nam)

  • Nguyen Hong Hai

    (School of Materials Science and Engineering, HUST, Ha Noi city, Viet Nam)

  • Vu Viet Quyen

    (Vietnam Maritime University, Haiphong city, Vietnam)

  • Nguyen Van Bach

    (Vietnam Maritime University, Haiphong city, Vietnam)

  • Nguyen Duong Nam

    (Vietnam Maritime University, Haiphong city, Vietnam)

Abstract

The breakdown due to abrasion and clash of the milling balls made of 13% Cr white cast iron is a complicated process which depends on many factors, especially on the strength of the matrix and carbide phases. As shown, stresses created by abrasion and clash processes are concentrated mainly at the locations such as carbide/matrix boundary and around coarse carbide particles, leading to the cracks and breakdown there. The peeling off carbide particles can be a reason of scratches on the specimen surface. Heat treatment (quenching in oil and tempering at 2500 C for three hours) to transform a soft matrix (austenite) to a harder one (martensite) can be a good solution against abrasion. Concerning the impact, the solution should be the refinement of the carbide particles and their uniform distribution.

Suggested Citation

  • Hoang Thi Ngoc Quyen & Nguyen Hong Hai & Vu Viet Quyen & Nguyen Van Bach & Nguyen Duong Nam, 2019. "Study On The Breakdown Of Milling Balls Made Of 13%Cr White Cast-Iron Working In Strong Abrasive And Clash Conditions," Journal of Mechanical Engineering Research & Developments (JMERD), Zibeline International Publishing, vol. 42(2), pages 98-100, March.
    • Handle: RePEc:zib:zjmerd:v:42:y:2019:i:2:p:98-100
    DOI: 10.26480/jmerd.02.2019.98.100
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    References listed on IDEAS

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    1. Ahmed Abugalia & Mohamed Shaglouf, 2018. "Analysis Of Different Models Of Moa Surge Arrester For The Transformer Protection," Acta Mechanica Malaysia (AMM), Zibeline International Publishing, vol. 1(2), pages 19-21, July.
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    More about this item

    Keywords

    chromium white cast iron; milling balls; M7C3 carbides.;
    All these keywords.

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