Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel

The purpose of this study is designate quenching and tempering heat treatment by using Taguchi technique to determine optimal factors of heat treatment (austenitizing temperature, percentage of nanoparticles, type of base media, nanoparticles type and soaking time) for increasing hardness, wear rat...

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Autores principales:	Abbas Kh. Hussein, Laith K. Abbas, Wisam N. Hasan
Formato:	article
Lenguaje:	EN
Publicado:	Al-Khwarizmi College of Engineering – University of Baghdad 2019
Materias:	Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/da926c6b23fe45a38870886770a444a3
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spelling	oai:doaj.org-article:da926c6b23fe45a38870886770a444a32021-12-02T06:40:06ZEffect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel10.22153/kej.2019.11.0021818-11712312-0789https://doaj.org/article/da926c6b23fe45a38870886770a444a32019-05-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/465https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 The purpose of this study is designate quenching and tempering heat treatment by using Taguchi technique to determine optimal factors of heat treatment (austenitizing temperature, percentage of nanoparticles, type of base media, nanoparticles type and soaking time) for increasing hardness, wear rate and impact energy properties of 420 martensitic stainless steel. An (L18) orthogonal array was chosen for the design of experiment. The optimum process parameters were determined by using signal-to-noise ratio (larger is better) criterion for hardness and impact energy while (Smaller is better) criterion was for the wear rate. The importance levels of process parameters that effect on hardness, wear rate and impact energy properties were obtained by using analysis of variance which applied with the help of (Minitab18) software. The variables of quenching heat treatment were austenitizing temperature (985 C˚,1060 C˚),a soaking times (50,70 and 90 minutes) respectively, Percentage of volumetric fractions of nanoparticles with three different levels(0.01, 0.03 and 0.08 %) were prepared by dispersing nanoparticles that are (α-Al2O3,TiO2 and CuO) with base fluids (De-ionized water, salt solution and engine oil).The specimens were tempered at 700°C after quenching of nanofluids for (2 hours).The results for ( S/N) ratios showed the order of the factors in terms of the proportion of their effect on hardness, and wear rate properties as follow: Austenitizing temperature ( 1060 C˚),Type of base media (salt solution), Nanoparticles type (CuO), Percentage of nanoparticles (0.08%) and Soaking time(90min) was the least influence while for the impact energy were as follows: Type of base media (oil), Austenitizing temperature (985C˚), Percentage of nanoparticles (0.01%), Nanoparticles type (α-Al2O3) and last soaking time (50min). Abbas Kh. HusseinLaith K. AbbasWisam N. HasanAl-Khwarizmi College of Engineering – University of BaghdadarticleChemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 15, Iss 2 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Chemical engineering TP155-156 Engineering (General). Civil engineering (General) TA1-2040 Abbas Kh. Hussein Laith K. Abbas Wisam N. Hasan Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel
description	The purpose of this study is designate quenching and tempering heat treatment by using Taguchi technique to determine optimal factors of heat treatment (austenitizing temperature, percentage of nanoparticles, type of base media, nanoparticles type and soaking time) for increasing hardness, wear rate and impact energy properties of 420 martensitic stainless steel. An (L18) orthogonal array was chosen for the design of experiment. The optimum process parameters were determined by using signal-to-noise ratio (larger is better) criterion for hardness and impact energy while (Smaller is better) criterion was for the wear rate. The importance levels of process parameters that effect on hardness, wear rate and impact energy properties were obtained by using analysis of variance which applied with the help of (Minitab18) software. The variables of quenching heat treatment were austenitizing temperature (985 C˚,1060 C˚),a soaking times (50,70 and 90 minutes) respectively, Percentage of volumetric fractions of nanoparticles with three different levels(0.01, 0.03 and 0.08 %) were prepared by dispersing nanoparticles that are (α-Al2O3,TiO2 and CuO) with base fluids (De-ionized water, salt solution and engine oil).The specimens were tempered at 700°C after quenching of nanofluids for (2 hours).The results for ( S/N) ratios showed the order of the factors in terms of the proportion of their effect on hardness, and wear rate properties as follow: Austenitizing temperature ( 1060 C˚),Type of base media (salt solution), Nanoparticles type (CuO), Percentage of nanoparticles (0.08%) and Soaking time(90min) was the least influence while for the impact energy were as follows: Type of base media (oil), Austenitizing temperature (985C˚), Percentage of nanoparticles (0.01%), Nanoparticles type (α-Al2O3) and last soaking time (50min).
format	article
author	Abbas Kh. Hussein Laith K. Abbas Wisam N. Hasan
author_facet	Abbas Kh. Hussein Laith K. Abbas Wisam N. Hasan
author_sort	Abbas Kh. Hussein
title	Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel
title_short	Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel
title_full	Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel
title_fullStr	Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel
title_full_unstemmed	Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel
title_sort	effect of quenching media variations on the mechanical behavior of martensitic stainless steel
publisher	Al-Khwarizmi College of Engineering – University of Baghdad
publishDate	2019
url	https://doaj.org/article/da926c6b23fe45a38870886770a444a3
work_keys_str_mv	AT abbaskhhussein effectofquenchingmediavariationsonthemechanicalbehaviorofmartensiticstainlesssteel AT laithkabbas effectofquenchingmediavariationsonthemechanicalbehaviorofmartensiticstainlesssteel AT wisamnhasan effectofquenchingmediavariationsonthemechanicalbehaviorofmartensiticstainlesssteel
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Effect of Quenching Media Variations on the Mechanical Behavior of Martensitic Stainless Steel

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