The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel

With the continuous expansion of the application field of low alloy wear-resistant steel, higher processing plasticity and toughness are prioritized on the basis of ensuring strength and hardness. In this article, a low alloy wear-resistant steel Hardox400 was studied: by adding a mass fraction of 0...
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Autor*in:	Cheng Su [verfasserIn] Guanghong Feng [verfasserIn] Jianguo Zhi [verfasserIn] Bo Zhao [verfasserIn] Wei Wu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	rare earth Ce wear-resistant steel rare earth inclusion microstructure mechanical property

Übergeordnetes Werk:	In: Metals - MDPI AG, 2012, 12(2022), 8, p 1358
Übergeordnetes Werk:	volume:12 ; year:2022 ; number:8, p 1358

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/met12081358

Katalog-ID:	DOAJ079199143

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callnumber-first	T - Technology
author	Cheng Su
spellingShingle	Cheng Su misc TN1-997 misc rare earth Ce misc wear-resistant steel misc rare earth inclusion misc microstructure misc mechanical property misc Mining engineering. Metallurgy The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel
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topic_title	TN1-997 The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel rare earth Ce wear-resistant steel rare earth inclusion microstructure mechanical property
topic	misc TN1-997 misc rare earth Ce misc wear-resistant steel misc rare earth inclusion misc microstructure misc mechanical property misc Mining engineering. Metallurgy
topic_unstemmed	misc TN1-997 misc rare earth Ce misc wear-resistant steel misc rare earth inclusion misc microstructure misc mechanical property misc Mining engineering. Metallurgy
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title	The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel
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title_full	The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel
author_sort	Cheng Su
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author_browse	Cheng Su Guanghong Feng Jianguo Zhi Bo Zhao Wei Wu
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title_sort	effect of rare earth cerium on microstructure and properties of low alloy wear-resistant steel
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title_auth	The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel
abstract	With the continuous expansion of the application field of low alloy wear-resistant steel, higher processing plasticity and toughness are prioritized on the basis of ensuring strength and hardness. In this article, a low alloy wear-resistant steel Hardox400 was studied: by adding a mass fraction of 0.0030% of rare earth cerium as microalloying treatment, the pilot scale simulation of the rare earth wear-resistant steel was carried out using vacuum induction furnace and a four-high reversible laboratory mill. The effects of the rare earth on the occurrence state of the inclusions, microstructure, mechanical properties and wear resistance of the steel were studied by means of optical microscope (OM), scanning electron microscope (SEM) and wet sand/rubber wheel wear tester. The results show that the fine spherical CeAlO<sub<3</sub<, CeAlO<sub<3</sub<-MnS and elliptical Ce<sub<2</sub<S<sub<2</sub<O-CaO are formed by adding 0.0030% Ce, which enhances the binding force between the inclusions and matrix. The addition of rare earth Ce helps to refine the as-cast structure, prevent the transformation of proeutectoid ferrite of overcooled austenite and promotes the formation of bainite ferrite, whilst simultaneously increasing the yield strength, yield ratio and surface hardness, especially the low-temperature impact toughness approximately between −40 °C~−20 °C of the tested steel. Simultaneously, the ability to resist abrasive embedment and crack propagation is enhanced, and the wear resistance is obviously improved. The research results will provide a reference for the development of high-quality rare earth wear-resistant steel utilizing national featured resources.
abstractGer	With the continuous expansion of the application field of low alloy wear-resistant steel, higher processing plasticity and toughness are prioritized on the basis of ensuring strength and hardness. In this article, a low alloy wear-resistant steel Hardox400 was studied: by adding a mass fraction of 0.0030% of rare earth cerium as microalloying treatment, the pilot scale simulation of the rare earth wear-resistant steel was carried out using vacuum induction furnace and a four-high reversible laboratory mill. The effects of the rare earth on the occurrence state of the inclusions, microstructure, mechanical properties and wear resistance of the steel were studied by means of optical microscope (OM), scanning electron microscope (SEM) and wet sand/rubber wheel wear tester. The results show that the fine spherical CeAlO<sub<3</sub<, CeAlO<sub<3</sub<-MnS and elliptical Ce<sub<2</sub<S<sub<2</sub<O-CaO are formed by adding 0.0030% Ce, which enhances the binding force between the inclusions and matrix. The addition of rare earth Ce helps to refine the as-cast structure, prevent the transformation of proeutectoid ferrite of overcooled austenite and promotes the formation of bainite ferrite, whilst simultaneously increasing the yield strength, yield ratio and surface hardness, especially the low-temperature impact toughness approximately between −40 °C~−20 °C of the tested steel. Simultaneously, the ability to resist abrasive embedment and crack propagation is enhanced, and the wear resistance is obviously improved. The research results will provide a reference for the development of high-quality rare earth wear-resistant steel utilizing national featured resources.
abstract_unstemmed	With the continuous expansion of the application field of low alloy wear-resistant steel, higher processing plasticity and toughness are prioritized on the basis of ensuring strength and hardness. In this article, a low alloy wear-resistant steel Hardox400 was studied: by adding a mass fraction of 0.0030% of rare earth cerium as microalloying treatment, the pilot scale simulation of the rare earth wear-resistant steel was carried out using vacuum induction furnace and a four-high reversible laboratory mill. The effects of the rare earth on the occurrence state of the inclusions, microstructure, mechanical properties and wear resistance of the steel were studied by means of optical microscope (OM), scanning electron microscope (SEM) and wet sand/rubber wheel wear tester. The results show that the fine spherical CeAlO<sub<3</sub<, CeAlO<sub<3</sub<-MnS and elliptical Ce<sub<2</sub<S<sub<2</sub<O-CaO are formed by adding 0.0030% Ce, which enhances the binding force between the inclusions and matrix. The addition of rare earth Ce helps to refine the as-cast structure, prevent the transformation of proeutectoid ferrite of overcooled austenite and promotes the formation of bainite ferrite, whilst simultaneously increasing the yield strength, yield ratio and surface hardness, especially the low-temperature impact toughness approximately between −40 °C~−20 °C of the tested steel. Simultaneously, the ability to resist abrasive embedment and crack propagation is enhanced, and the wear resistance is obviously improved. The research results will provide a reference for the development of high-quality rare earth wear-resistant steel utilizing national featured resources.
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title_short	The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel
url	https://doi.org/10.3390/met12081358 https://doaj.org/article/a9c7dd6368cd40daa4b6fa9abab8ae51 https://www.mdpi.com/2075-4701/12/8/1358 https://doaj.org/toc/2075-4701
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The Effect of Rare Earth Cerium on Microstructure and Properties of Low Alloy Wear-Resistant Steel

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