Mechanical properties of heat-treated medium carbon steel in renewable and biodegradable oil

Oluwagbenga T. Johnson; Enoch N. Ogunmuyiwa; Albert U. Ude; Norman Gwangwava; Richard Addo-Tenkorang

doi:10.1016/j.promfg.2019.05.032

Mechanical properties of heat-treated medium carbon steel in renewable and biodegradable oil

Oluwagbenga T. Johnson, Enoch N. Ogunmuyiwa, Albert U. Ude, Norman Gwangwava, Richard Addo-Tenkorang

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

2 Citations (Scopus)

Abstract

The heat treatment of steels under controlled conditions alters their physical and mechanical properties, enabling them to meet the desired engineering applications. In this study, the suitability of a Namibian local oil (marula oil) as an alternative quenchant to SAE40 engine oil (Standard quenchant - a synthetic oil derived from natural or crude oil) for industrial heat treatment of medium carbon steels was investigated. SAE40 engine oil served as the control. The mechanical properties (tensile strength, yield strength, percentage elongation and hardness) of the treated and untreated samples were investigated at the temperatures of 850^oC, 900^oC, 950^oC and 1000^oC. The untreated sample had the highest amount of elongation (40%), while the sample quenched in marula oil had the highest hardness (24.33HRD) and tensile strength (530.32 N/mm²) values compared with both the untreated and the SAE40 engine oil quenched samples. Hence, marula oil showed high potential as an alternative quenchant to petroleum based SAE40 engine oil for quenching medium carbon steels, without cracking or distortion.

Original language	English
Pages (from-to)	229-235
Number of pages	7
Journal	Procedia Manufacturing
Volume	35
DOIs	https://doi.org/10.1016/j.promfg.2019.05.032
Publication status	Published - 2019
Event	2nd International Conference on Sustainable Materials Processing and Manufacturing, SMPM 2019 - Sun City, South Africa Duration: Mar 8 2019 → Mar 10 2019

All Science Journal Classification (ASJC) codes

Industrial and Manufacturing Engineering
Artificial Intelligence

UN SDGs

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10.1016/j.promfg.2019.05.032Licence: CC BY-NC-ND

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title = "Mechanical properties of heat-treated medium carbon steel in renewable and biodegradable oil",

abstract = "The heat treatment of steels under controlled conditions alters their physical and mechanical properties, enabling them to meet the desired engineering applications. In this study, the suitability of a Namibian local oil (marula oil) as an alternative quenchant to SAE40 engine oil (Standard quenchant - a synthetic oil derived from natural or crude oil) for industrial heat treatment of medium carbon steels was investigated. SAE40 engine oil served as the control. The mechanical properties (tensile strength, yield strength, percentage elongation and hardness) of the treated and untreated samples were investigated at the temperatures of 850oC, 900oC, 950oC and 1000oC. The untreated sample had the highest amount of elongation (40%), while the sample quenched in marula oil had the highest hardness (24.33HRD) and tensile strength (530.32 N/mm2) values compared with both the untreated and the SAE40 engine oil quenched samples. Hence, marula oil showed high potential as an alternative quenchant to petroleum based SAE40 engine oil for quenching medium carbon steels, without cracking or distortion.",

author = "Johnson, {Oluwagbenga T.} and Ogunmuyiwa, {Enoch N.} and Ude, {Albert U.} and Norman Gwangwava and Richard Addo-Tenkorang",

note = "Publisher Copyright: {\textcopyright} 2019 The Authors. Published by Elsevier B.V.; 2nd International Conference on Sustainable Materials Processing and Manufacturing, SMPM 2019 ; Conference date: 08-03-2019 Through 10-03-2019",

year = "2019",

doi = "10.1016/j.promfg.2019.05.032",

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AU - Johnson, Oluwagbenga T.

AU - Ogunmuyiwa, Enoch N.

AU - Ude, Albert U.

AU - Gwangwava, Norman

AU - Addo-Tenkorang, Richard

PY - 2019

Y1 - 2019

N2 - The heat treatment of steels under controlled conditions alters their physical and mechanical properties, enabling them to meet the desired engineering applications. In this study, the suitability of a Namibian local oil (marula oil) as an alternative quenchant to SAE40 engine oil (Standard quenchant - a synthetic oil derived from natural or crude oil) for industrial heat treatment of medium carbon steels was investigated. SAE40 engine oil served as the control. The mechanical properties (tensile strength, yield strength, percentage elongation and hardness) of the treated and untreated samples were investigated at the temperatures of 850oC, 900oC, 950oC and 1000oC. The untreated sample had the highest amount of elongation (40%), while the sample quenched in marula oil had the highest hardness (24.33HRD) and tensile strength (530.32 N/mm2) values compared with both the untreated and the SAE40 engine oil quenched samples. Hence, marula oil showed high potential as an alternative quenchant to petroleum based SAE40 engine oil for quenching medium carbon steels, without cracking or distortion.

AB - The heat treatment of steels under controlled conditions alters their physical and mechanical properties, enabling them to meet the desired engineering applications. In this study, the suitability of a Namibian local oil (marula oil) as an alternative quenchant to SAE40 engine oil (Standard quenchant - a synthetic oil derived from natural or crude oil) for industrial heat treatment of medium carbon steels was investigated. SAE40 engine oil served as the control. The mechanical properties (tensile strength, yield strength, percentage elongation and hardness) of the treated and untreated samples were investigated at the temperatures of 850oC, 900oC, 950oC and 1000oC. The untreated sample had the highest amount of elongation (40%), while the sample quenched in marula oil had the highest hardness (24.33HRD) and tensile strength (530.32 N/mm2) values compared with both the untreated and the SAE40 engine oil quenched samples. Hence, marula oil showed high potential as an alternative quenchant to petroleum based SAE40 engine oil for quenching medium carbon steels, without cracking or distortion.

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DO - 10.1016/j.promfg.2019.05.032

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AN - SCOPUS:85072394475

SN - 2351-9789

VL - 35

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JO - Procedia Manufacturing

JF - Procedia Manufacturing

T2 - 2nd International Conference on Sustainable Materials Processing and Manufacturing, SMPM 2019

Y2 - 8 March 2019 through 10 March 2019

ER -

Mechanical properties of heat-treated medium carbon steel in renewable and biodegradable oil

Abstract

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