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Wismo Winarto, E., Darmo, S., Santoso, N., & Dwi Setyana, L. (2019). The Improvement of Impact on Manganese Steel for Bucket Tooth Product. KnE Social Sciences, 3(23), 78–83. https://doi.org/10.18502/kss.v3i23.5138

https://doi.org/10.18502/kss.v3i23.5138

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authors

  • Eko Wismo Winarto

    Eko Wismo Winarto

    Mechanical Engineering Department, Vocational College, UGM
  • Suryo Darmo

    Suryo Darmo

    Mechanical Engineering Department, Vocational College, UGM
  • Nugroho Santoso

    Nugroho Santoso

    Mechanical Engineering Department, Vocational College, UGM
  • Lilik Dwi Setyana

    Lilik Dwi Setyana

    Mechanical Engineering Department, Vocational College, UGM

Published Date

  • Aug 28, 2019

The Improvement of Impact on Manganese Steel for Bucket Tooth Product

KnE Social Sciences / International Conference on Technology for Sustainable Development 2018 (ICTSD 2018) / Pages 78–83

Abstract

The bucket tooth is one of an excavator components made of manganese steel used to dig and load land into a truck or elsewhere. The impact of the bucket tooth product needs to be increased so that it has longer lifetime. The objective of this research is to know the right composition of manganese in order to obtain the optimal impact strength. Varying the composition of manganese from 11,2% to 15,1% wt Mn are carried out in an induction furnace. Mechanical tests carried out include microstructure observation, impact and hardness testing. The structure of austenite dominates manganese steel with an average grain size of 60 μm (11,2% Mn) and increases up to 45% for the contents of 15,1% Mn. The lowest impact strength (0,08 J/mm2) in specimens with 11,2% Mn, increases up to 42% (0,142 J/mm2) in specimens with 15,1% Mn. The increase of impact strength is affected by grain size and austenite stability. The hardness of manganese steel with 11,2% Mn (330 VHN) increases up to 376 VHN with 15,1% Mn.

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