Alloy Cast Irons and Their Engineering Applications

Chakrabarty, I.

doi:10.1016/b978-0-12-803581-8.10092-x

Cited by 4 publications

(2 citation statements)

References 52 publications

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“…The shape of graphite during solidification cannot be changed by Fe-Graphite system moreover by solid-state transfiguration through heat treatment. nevertheless, a proper heat treatment can alter the cementite (Fe3C) and the matrix structure to produce desirable characteristics [1,2] . High chromium cast iron alloys were the first choice for manufacturing applications that required drastic wear resistance because they are a major wear-resistant material with many applications in the field of mechanical parts that are subjected to abrasive wear caused by friction with very hard materials.…”

Section: Introductionmentioning

confidence: 99%

“…It has also been demonstrated to be effective and is characterized by cheap cost. Alloys are preferable to typical white cast iron due to their high hardness, optimal toughness-to-hardness ratio, and strong chemical corrosion resistance [1][2][3] . The microstructure of high-chromium iron in its initial (cast) state is dendritic, with primary and eutectic M7C3 carbides.…”

Section: Introductionmentioning

confidence: 99%

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Study the influence of destabilization and tempering heat treatments on the microstructure of high chromium white cast iron by observing the resulted hardness and Abrasive wear conduct

El-Kassas

Hassan²

2023

Eng. Sci. and Milit. Techno.

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Various destabilization heat treatments at 880°C, 980°C, 1080°C, and 1180°C for one hour followed by tempering at 500°C for two hours were conducted on 2.55 wt.%-C, 21.8 wt.% Cr high chromium white cast iron alloy. Investigations were done into how high chromium white cast iron alloy's microstructure and mechanical characteristics were modified by heat treatment. It has been observed that destabilization heat treatment at temperatures of 880°C, 980°C, 1080°C, and 1180°C for 1 hour each, followed by tempering at 500°C for 2 hours, has an impact on the combination of abrasion wear resistance and hardness. The obtained hardness values are the result of the mixture of the martensite formed, stoichiometry and morphology of the secondary carbides present mainly M7C3. The optimum hardness values and abrasion wear resistance were for destabilization heat treatment at 980 °C. The secondary carbides were severely dissolved at 1180 °C, and as a result, the austenitic phase was stabilized. The relationship between microstructural characteristics and combinations of hardness and abrasion wear has been detailed.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study the influence of destabilization and tempering heat treatments on the microstructure of high chromium white cast iron by observing the resulted hardness and Abrasive wear conduct

El-Kassas

Hassan²

2023

Eng. Sci. and Milit. Techno.

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High-Temperature Creep of Cast Irons

Joshi

Baxevanakis

Silberschmidt

2023

Advanced Structured Materials

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Surface Laser Treatment of Cast Irons: A Review

Catalán

Ramos-Moore

Boccardo

et al. 2022

Metals

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Heat treatments are frequently used to modify the microstructure and mechanical properties of materials according to the requirements of their applications. Laser surface treatment (LST) has become a relevant technique due to the high control of the parameters and localization involved in surface modification. It allows for the rapid transformation of the microstructure near the surface, resulting in minimal distortion of the workpiece bulk. LST encompasses, in turn, laser surface melting and laser surface hardening techniques. Many of the works devoted to studying the effects of LST in cast iron are diverse and spread in several scientific communities. This work aims to review the main experimental aspects involved in the LST treatment of four cast-iron groups: gray (lamellar) cast iron, pearlitic ductile (nodular) iron, austempered ductile iron, and ferritic ductile iron. The effects of key experimental parameters, such as laser power, scanning velocity, and interaction time, on the microstructure, composition, hardness, and wear are presented, discussed, and overviewed. Finally, we highlight the main scientific and technological challenges regarding LST applied to cast irons.

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Alloy Cast Irons and Their Engineering Applications

Cited by 4 publications

References 52 publications

Study the influence of destabilization and tempering heat treatments on the microstructure of high chromium white cast iron by observing the resulted hardness and Abrasive wear conduct

Study the influence of destabilization and tempering heat treatments on the microstructure of high chromium white cast iron by observing the resulted hardness and Abrasive wear conduct

High-Temperature Creep of Cast Irons

Surface Laser Treatment of Cast Irons: A Review

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