Wear Resistance of Gray Cast Iron Under High-Temperature Conditions

Alkhafaji, Ali A. G. (2022) Wear Resistance of Gray Cast Iron Under High-Temperature Conditions. In: IMDC-IST 2021, 7-9 September 2021, Sakarya, Turkey.

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Three different matrices Gray cast irons were produced with different carbon content and alloying elements and tested for this research purpose. A new wear test rig is designed, manufactured, and developed especially for this research. It uses to examine test materials by exposing them to a sequence of heating to (600, 850 ºC) by friction with automobile brake pads in suitable condition and then air-cooled to (400 ºC). Comparisons were made between test materials in terms of weight loss after a certain number of thermal cycles, in addition to hardness number before the test as well as before and after the heat treatment. Fine grains – fully ferritic iron structure demonstrates high as-cast hardness as well as after stress relief annealing. Moreover, such material showed the best wear resistance among the test materials at (600, 850 ºC). Some Gray irons give good wear resistance at low temperatures up to 600 ºC but they lost it in (α to γ transformation) range. Hardness is not the unique criterion for wear resistance at high temperatures.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: cast iron wear test high temperature wear resistance test rig
Subjects: T Technology > T Technology (General)
Depositing User: EAI Editor IV
Date Deposited: 29 Apr 2022 12:52
Last Modified: 29 Apr 2022 12:52
URI: https://eprints.eudl.eu/id/eprint/10903

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