Heat Treating of High-Alloy White Cast Irons | Heat Treating …

This article provides a brief discussion on the heat treatment, mechanical properties, and chemical compositions of high-alloy white cast irons such as nickel-chromium white irons and …

Optimizing heat treatment and wear resistance of high chromium cast

Soft annealing of high chromium white cast iron. Materials Science Forum, 455–456 (2004), pp. 290-294. View in Scopus Google Scholar [9] R.L. Pattyn. ... Behavior of hardness and retained austenite in heat treatment of high chromium cast iron for abrasive wear resistance. Transactions AFS, 112 (2004), pp. 899-910. Google Scholar [13]

The Improvement of Wear and Impact Resistance of …

crusher with high chromium white cast iron can be improved by heat treatment (Long, S.Y et al., 2006). High chromium white cast iron is a material suitable for use in work environments with friction and impact. High chromium white cast iron has high hardness, high wear resistance, and relatively cheap manufacturing

Microstructural modification of a static and dynamically …

1. Introduction. High-chromium white cast irons are ferrous alloys with Cr contents between 12 and 30% and 1.8–3.6% C. The as-cast microstructure is typically composed by a M 7 C 3 carbide network in an austenitic matrix [1, 2].This microstructure provides a good combination of properties such as high hardness, wear resistance and acceptable toughness values [2, 3].

Optimizing heat treatment and wear resistance of high …

The objective of this paper is to present a methodology to apply computational thermodynamics techniques to adjust compositions and heat treatments of high chromium cast …

High Chromium White Cast Iron (High Cr White Iron)

High chromium white cast iron, often referred to as high Cr white iron, is a versatile and resilient material widely used in various industries due to its outstanding wear resistance and high toughness. ... Common heat treatment techniques for high Cr white iron include annealing, quenching, and tempering. Annealing is performed to relieve ...

Effect of Destabilization Heat Treatments on the Microstructure of High

A 18.22 wt.% Cr white iron has been subjected to various destabilization heat treatments. Destabilization at 800 °C caused gradual precipitation of M23C6 secondary carbide particles with time leading to a gradual increase in the bulk hardness. At 900, 1000, and 1100 °C, an initial sharp increase in bulk hardness with time occurred, reaching a plateau that was …

Heat Treatment in High Chromium White Cast Iron Ti …

Heat Treatment in High Chromium White Cast Iron Ti Alloy KhaledM.IbrahimandMervatM.Ibrahim Central Metallurgical R&D Institute (CMRDI), P.O. Box, Helwan, Cairo, Egypt ... Microstructure. e microstructure of as-cast high chromium white cast iron with no Ti-addition consists of M 7 C 3 carbides that form during solidi cation as eutectic phase ...

XRD Investigation on Heat Treatment of High Chrome White …

The experimental results show that appropriate heat treatments contribute to a significant improvement on the mechanical properties of selected alloy of HCWCI. The results …

Microstructural Modifications of As-Cast High-Chromium White Iron …

DOI: 10.1007/S11665-008-9285-6 Corpus ID: 137359506; Microstructural Modifications of As-Cast High-Chromium White Iron by Heat Treatment @article ...

high chromium cast iron 1 | Total Materia

Explore the properties of high-chromium white iron, its applications in industries requiring exceptional wear and corrosion resistance, and the impact of heat treatment on its hardness and microstructure. Learn about the optimal heat …

Microstructure and properties of high chromium …

Different combinations of critical and subcritical heat treatments variously modify the initial as cast microstructure of high chromium white cast irons leading to secondary carbide precipitation...

Mechanical strength and fracture toughness of high chromium white cast

The heat treatment of these products consists of a high temperature austenisation followed by quenching and two temperings, required in order to increase their overall hardness and to completely eliminate residual austenite. ... The mechanical behaviour of a low and a high carbon high chromium cast iron was determined by means of tensile, 500 ...

Effect of heat treatment on microstructure and properties of …

Abstract The effect of heat treatment on the microstructure, hardness and wear resistance of modified hypereutectic high chromium cast iron (HCCI) was investigated. The results show that the quenching treatment partially dissolves the edges of the primary carbides, and the sharp corners become rounded and blunt. As the quenching temperature increases, the …

Heat treatment effect on microstructure, hardness and wear resistance

AI Yunlong, DING Jiayuan, HE Wen, et al. Effects of heat treatment on sliding wear of high chromium white cast iron[J]. Thermal Processing, 2010, 39(3): 46–48. (in Chinese) Google Scholar ZEYTIN H K, YILDIRIM H, BERME B, et al. Effect of boron and heat treatment on mechanical properties of white cast iron for mining application[J].

Effect of heat treatment on microstructure and properties of …

The effect of heat treatment on the microstructure, hardness and wear resistance of modified hypereutectic high chromium cast iron (HCCI) was investigated. The results show that the quenching treatment partially dissolves the edges of the primary carbides, and the sharp corners become rounded and blunt. As the quenching temperature increases, the carbide re-dissolves …

Analysis of the High Chromium Cast Iron …

The article describes the results of experimental studies for the effect of thermal treatment (TTM) of G-X300CrMo27-1 high-chromium cast iron samples in the solid-liquid and liquid state on the ...

High Chromium White Cast Iron (High Cr White Iron)

High Chromium White Cast Iron, or High Cr White Iron grades are used in wear applications that require some corrosion resistance. One common application using High Chrome White Iron alloys is in Pump and Valve parts for the Mining industry. The high chromium content offers the corrosion resistance and the fine carbides dispersed throughout ...

High hardness-toughness and wear resistance of white cast iron …

Introduction. High-chromium white irons are usually hypoeutectic ones, and they are often used in wear environments, such as mineral processing, cement production and steel manufacturing industries, and so on [Citation 1–4].The large quantities of M 7 C 3 chromium carbides in high-chromium white irons provide excellent wear resistance. The addition of …

Heat Treating of High-Alloy White Irons | Total Materia

Nickel-chromium white iron castings are given a stress-relief heat treatment because, properly made, they have a martensitic matrix structure, as-cast. Tempering is performed between 205 to 260°C (400 to 450°F) for at least 4 h.

Heat Treatment of White Cast Iron

Nickel-chromium white iron castings undergo a stress-relief heat treatment due to their martensitic matrix structure when cast properly. Tempering is performed within the temperature range of 205 to 260°C (400 to 450°F) for …

Improving Wear Properties of High-Chromium Cast Iron …

Heat treatment allows a precipitation of small particles, named secondary carbides, within the matrix which play a decisive role for the heat-treated high-chromium cast iron properties. In this work, we intend to study the effect of manganese on wear behaviour (friction and abrasion) of high-chromium white cast iron.

Heat-treatment method of high-chromium wear-resistant white cast iron …

The invention discloses a heat-treatment method of high-chromium wear-resistant white cast iron Cr28. According to the invention, high-chromium wear-resistant white cast iron Cr28 is heated to 1000-1050 DEG C; the white cast iron Cr28 is heated and the temperature is maintained for 1.5-3h; the white cast iron Cr28 is air-cooled to room temperature; the white cast iron Cr28 is …

Microscopic Study of Carbide Precipitation during Heat Treatment …

The carbide precipitation behavior of 35 wt%Cr–4 wt%C (35Cr–4C) Hypereutectic High Chromium Cast Iron (HHCCI) during heat treatment was investigated by means of scanning electron microscope and transmission electron microscope, and the effect of rare earth magnesium (RE-Mg) modification on the microstructure evolution and wear resistance of …

An Overview on Types of White Cast Irons and High …

Whit cast irons, and specifically high chromium white cast irons, have been developed and deployed worldwide for making mechanical components of crushing and grinding machines …

XRD Investigation on Heat Treatment of High Chrome White Cast …

[1] Agunsoye J. O. and Ayeni A. A. 2012 Effect of Heat Treatment on the Abrasive Wear Behaviour of High Chromium Iron Under Dry Sliding Condition Tribology in Industry 34 82-91 Google Scholar [2] Rassim S., Al-Rubaie and Pohl M. 2014 Heat Treatment and Two-Body Abrasion of Ni-Hard 4 Wear 312 21-28 Google Scholar [3] Nyokong F. and Pan X. 2019 A …

Corrosion Wear of Hypereutectic High Chromium Cast Iron: …

Hypereutectic High Chromium Cast Iron (HHCCI) is a new type of corrosion-wear-resistant material developed from ordinary high chromium cast iron by increasing the chromium and carbon content and is often used in abrasive environments where wear and corrosion interact. The corrosion wear resistance of the HHCCI is related to the number, size, shape and …

Heat Treatment in High Chromium White Cast Iron Ti …

The influence of heat treatment on microstructure and mechanical properties of high chromium white cast iron alloyed with titanium was investigated.

Heat Treating of High-Alloy White Cast Irons | Heat …

This article provides a brief discussion on the heat treatment, mechanical properties, and chemical compositions of high-alloy white cast irons such as nickel-chromium white irons and high-chromium white irons.

Microstructural Modifications of As-Cast High …

The initial as-cast microstructure of a high-chromium (2.35% C, 18.23% Cr) white cast iron consisting of primary austenitic dendrites and a eutectic mixture of M7C3 carbides/austenite was ...

High-Chromium Cast Iron

The high-chromium cast irons respond to heat treatment when the carbon and chromium contents are appropriately adjusted. However, machining of these alloys is very difficult. Chromium is added to heat-resistance cast irons because it assists in stabilizing carbides and forms a protective oxide on the metal surface.

Microstructural Investigation on Heat Treatment of Hypoeutectic High

High chromium white cast irons (HCWCI) are widely used as abrasion resistant materials in cement manufacturing, mineral processing and slurry pumping industries. Their high resistance to wear in these demanding situations stems from the presence of hard eutectic (Cr, Fe)7C3 carbides in their microstructures.

The Effect of Heat Treatments on the Properties of a Ferritic High …

This paper examines the impact of heat treatments on a ferritic high-chromium cast iron's properties and resistance to erosion and corrosion. For that purpose, four samples were submitted to different temperatures (800, 900, 1000 and 1100 °C) for 2 h and then air-cooled. All samples were then studied in terms of hardness, microstructure, resistance to …

Effects of Heat Treatment and Erosion Particle Size on …

This research addresses the erosive resistance of a hypereutectic high-chromium cast iron subjected to solid particle erosion. The study stems from a specific application of high-chromium cast iron, i.e., the critical surfaces of large industrial fans operating in a cement clinker grinding plant where such damage is a limiting factor for the components' lifespan. A …

Microstructure and mechanical properties of a Mo alloyed high chromium …

Microstructural modifications of as-cast high-chromium white iron by heat treatment. J. Mater. Eng. Perform., 18 (2009), pp. 174-181. Crossref View in ... Effects of a destabilization heat treatment on the microstructure and abrasive wear behavior of high-chromium white cast iron investigated using different characterization techniques. Metall ...

Heat Treatment of White Cast Irons | Metallurgy

These cast irons have high abrasion-resistance, and can be readily cast in shapes required in machinery used for crushing and grinding, etc. Abrasion-resistance increases with the increase of hardness due to the increase of the volume of the eutectic carbides (alloy eutectic carbides are much harder than iron carbide). The must element chromium prevents the formation of …

Microstructural effect and wear performance of high chromium white cast

Likewise, measurements of wear losses have a good agreement with the hardness values where the harder the iron, the lower the wear loss, therefore, a decrease of the wear losses was observed after heat treatment, except for the destabilized 1.197 wt% boron added iron (iron 4) which showed an increase of the wear losses with respect to the as ...

Effect of heat treatment on wear and corrosion behavior of high …

Abstract The abrasive wear and corrosion behavior of as-cast, heat-treated and tempered high chromium white cast iron was studied, and the results were evaluated by means of microstructure, hardness, surface roughness and corrosion resistance. The samples were subjected to wear on the ball-on-flat tribometer test machine under different loads. Corrosion tests were carried out …

An Overview on Types of White Cast Irons and High Chromium White Cast

The paper is aimed to give an overview on the white cast iron alloys, and particularly high chromium white cast iron alloys, including their classifications, their standard specifications in USA, China and Australia, their main usages and the new developments. ... XRD Investigation on Heat Treatment of High Chrome White Cast Irons;