Tribological behaviour of ductile and austempered grey cast iron under dry environment

O. J. Akinribide; S. O. Akinwamide; B. A. Obadele; O. D. Ogundare; O. O. Ayeleru; P. A. Olubambi

doi:10.1016/j.matpr.2020.07.473

Tribological behaviour of ductile and austempered grey cast iron under dry environment

O. J. Akinribide, S. O. Akinwamide, B. A. Obadele, O. D. Ogundare, O. O. Ayeleru, P. A. Olubambi

Metallurgy

Research output: Contribution to journal › Conference article › peer-review

12 Citations (Scopus)

Abstract

In the search of appropriate materials for producing machine tools, this study investigated the wear performance of Austempered grey cast iron (AGCI) and ductile iron (DI) done on a single way tribosystem. An alloy containing 1.2 kg of Fe-Si-Mg inoculated by 0.2%Ca-Si was introduced to the melt at 350 °C austempering temperatures after austenitizing at 900 °C for 180 min. However, the highest Coefficient of friction and resistance of materials to wear are independent of 2 N and 5 N applied loads, while 7 N, 8 N, and 10 N were strongly dependent on the load applied. The outcomes revealed that the Coefficient of friction generally rises as the applied load increases in AGCI and DI. Highest Coefficient of friction 0.8 was observed at 10 N in DI while 0.85 and 0.8 was observed at 10 N and 8 N for AGCI, due to strain-induced retained austenite transformation of the martensite and work hardening.

Original language	English
Pages (from-to)	1174-1182
Number of pages	9
Journal	Materials Today: Proceedings
Volume	38
DOIs	https://doi.org/10.1016/j.matpr.2020.07.473
Publication status	Published - 1 Jan 2021
Event	2020 International Symposium on Nanostructured, Nanoengineered and Advanced Materials, ISNNAM 2020 - Gold Reef City, South Africa Duration: 30 Apr 2020 → 3 May 2020

Keywords

Austempered grey cast iron
Austenite
Coefficient of friction
Ductile iron
Hardness
Microstructure
Wear

ASJC Scopus subject areas

General Materials Science

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10.1016/j.matpr.2020.07.473

Cite this

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title = "Tribological behaviour of ductile and austempered grey cast iron under dry environment",

abstract = "In the search of appropriate materials for producing machine tools, this study investigated the wear performance of Austempered grey cast iron (AGCI) and ductile iron (DI) done on a single way tribosystem. An alloy containing 1.2 kg of Fe-Si-Mg inoculated by 0.2%Ca-Si was introduced to the melt at 350 °C austempering temperatures after austenitizing at 900 °C for 180 min. However, the highest Coefficient of friction and resistance of materials to wear are independent of 2 N and 5 N applied loads, while 7 N, 8 N, and 10 N were strongly dependent on the load applied. The outcomes revealed that the Coefficient of friction generally rises as the applied load increases in AGCI and DI. Highest Coefficient of friction 0.8 was observed at 10 N in DI while 0.85 and 0.8 was observed at 10 N and 8 N for AGCI, due to strain-induced retained austenite transformation of the martensite and work hardening.",

keywords = "Austempered grey cast iron, Austenite, Coefficient of friction, Ductile iron, Hardness, Microstructure, Wear",

author = "Akinribide, {O. J.} and Akinwamide, {S. O.} and Obadele, {B. A.} and Ogundare, {O. D.} and Ayeleru, {O. O.} and Olubambi, {P. A.}",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the International Symposium on Nanostructured, Nanoengineered and Advanced Materials.; 2020 International Symposium on Nanostructured, Nanoengineered and Advanced Materials, ISNNAM 2020 ; Conference date: 30-04-2020 Through 03-05-2020",

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doi = "10.1016/j.matpr.2020.07.473",

language = "English",

volume = "38",

pages = "1174--1182",

journal = "Materials Today: Proceedings",

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T1 - Tribological behaviour of ductile and austempered grey cast iron under dry environment

AU - Akinribide, O. J.

AU - Akinwamide, S. O.

AU - Obadele, B. A.

AU - Ogundare, O. D.

AU - Ayeleru, O. O.

AU - Olubambi, P. A.

N1 - Publisher Copyright: © 2019 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the International Symposium on Nanostructured, Nanoengineered and Advanced Materials.

PY - 2021/1/1

Y1 - 2021/1/1

N2 - In the search of appropriate materials for producing machine tools, this study investigated the wear performance of Austempered grey cast iron (AGCI) and ductile iron (DI) done on a single way tribosystem. An alloy containing 1.2 kg of Fe-Si-Mg inoculated by 0.2%Ca-Si was introduced to the melt at 350 °C austempering temperatures after austenitizing at 900 °C for 180 min. However, the highest Coefficient of friction and resistance of materials to wear are independent of 2 N and 5 N applied loads, while 7 N, 8 N, and 10 N were strongly dependent on the load applied. The outcomes revealed that the Coefficient of friction generally rises as the applied load increases in AGCI and DI. Highest Coefficient of friction 0.8 was observed at 10 N in DI while 0.85 and 0.8 was observed at 10 N and 8 N for AGCI, due to strain-induced retained austenite transformation of the martensite and work hardening.

AB - In the search of appropriate materials for producing machine tools, this study investigated the wear performance of Austempered grey cast iron (AGCI) and ductile iron (DI) done on a single way tribosystem. An alloy containing 1.2 kg of Fe-Si-Mg inoculated by 0.2%Ca-Si was introduced to the melt at 350 °C austempering temperatures after austenitizing at 900 °C for 180 min. However, the highest Coefficient of friction and resistance of materials to wear are independent of 2 N and 5 N applied loads, while 7 N, 8 N, and 10 N were strongly dependent on the load applied. The outcomes revealed that the Coefficient of friction generally rises as the applied load increases in AGCI and DI. Highest Coefficient of friction 0.8 was observed at 10 N in DI while 0.85 and 0.8 was observed at 10 N and 8 N for AGCI, due to strain-induced retained austenite transformation of the martensite and work hardening.

KW - Austempered grey cast iron

KW - Austenite

KW - Coefficient of friction

KW - Ductile iron

KW - Hardness

KW - Microstructure

KW - Wear

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U2 - 10.1016/j.matpr.2020.07.473

DO - 10.1016/j.matpr.2020.07.473

M3 - Conference article

AN - SCOPUS:85105535089

SN - 2214-7853

VL - 38

SP - 1174

EP - 1182

JO - Materials Today: Proceedings

JF - Materials Today: Proceedings

T2 - 2020 International Symposium on Nanostructured, Nanoengineered and Advanced Materials, ISNNAM 2020

Y2 - 30 April 2020 through 3 May 2020

ER -

Tribological behaviour of ductile and austempered grey cast iron under dry environment

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Keywords

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