Austempered ductile iron: an alternative material for earth moving components

Zimba, J.; Simbi, D.J.; Navara, E.

doi:10.1016/s0958-9465(02)00078-1

Cited by 88 publications

(41 citation statements)

References 4 publications

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“…The material has a number of mechanical properties that makes it attractive for structural applications in transport such as automotive, heavy vehicles and many other industries. The material can be tailored to have properties such as high strength, high wear resistance, high fracture toughness and high fatigue strength [1][2][3] .…”

Section: Introductionmentioning

confidence: 99%

“…By correctly controlling the austempering heat treatment, the mechanical properties of the material can be tailored to promote e.g. high strength, high wear resistance or high fracture toughness [1][2][3]7] . The mechanical properties studied in this paper are the tensile properties achieved from a standard tensile test.…”

Section: Introductionmentioning

confidence: 99%

“…The linear elastic behavior is described by Hooke's law, Eq. [3], while many other models are available for the nonlinear plastic behavior. In this paper the plastic behavior has been described using the Hollomon equation, Eq.…”

Section: Introductionmentioning

confidence: 99%

“…Note that Eq. [3] only is valid for the elastic contribution, while Eq. [4] only is valid for the plastic contribution.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Austempering on Plastic Behavior of Some Austempered Ductile Iron Alloys

Olofsson

Larsson

Svensson

2011

Metall Mater Trans A

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A numerical description relating microstructure to elastic and plastic deformation behavior would make it possible to simulate the mechanical behavior of complex cast components with tailored material properties. Limited work and data have however been published regarding the connection between microstructure and plastic behavior of austempered ductile irons (ADI). In the current work the effects of austempering temperature and austempering time on the strength coefficient and the strain hardening exponent of the Hollomon equation have been investigated for two ADI alloys. The results show that the plastic behavior is highly dependent on the combination of austempering temperature and austempering time. It was found that as the austempering temperature increases both the strength coefficient and the strain hardening exponent initially decrease, but after reaching a minimum at the critical austempering temperature they show a plateau or an increase. The effect of the austempering time on the plastic behavior depends on the austempering temperature. At low austempering temperatures the strength coefficient and the strain hardening exponent decrease with increased austempering time, whereas at higher austempering temperatures they show little time dependence. These relations are explained by the microstructural transformations that take place during the austempering heat treatment.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Note that Eq. [3] only is valid for the elastic contribution, while Eq. [4] only is valid for the plastic contribution.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of Austempering on Plastic Behavior of Some Austempered Ductile Iron Alloys

Olofsson

Larsson

Svensson

2011

Metall Mater Trans A

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“…Therefore, the striving for replacing hard-wearing cast steels and forged alloy steels with ADIs has been observed for many years. Bahmani [11], Fordyce et al [12], Kumari et al [13], Perez et al [14], Rundman et al [15], Shepperson et al [16], Zhou et al [17] and Zimba et al [18,19] found that ADIs had wear properties comparable with those of steels.…”

Section: Introductionmentioning

confidence: 99%

Abrasive Wear Properties of Fe-Based Alloys Designed for Mining Applications

Wieczorek¹,

Myszka²

2017

Archives of Metallurgy and Materials

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The purpose of this study was to determine experimentally the wear properties of 5 groups of iron-based alloys used in the mining and transport machines exposed to the action of a hard abrasive material. The groups of materials to be examined included austempered ductile irons (ADI), steels and cast steel designed for quenching and tempering and for surface hardening, hard-wearing hardened steels and structural steels. The wear tests were carried out on a disc-on-disc test rig. The test samples were examined under conditions of sliding mating, while the leading destructive process was microcutting of the surface with loose corundum grain. The loss of mass of the examined samples was measured as a parameter characterizing the wear. Base on it, other wear coefficients were determined, for example the volume loss, the intensity of wear and the wear rate. The volume loss values determined were presented as a function of the strength and the initial hardness. Based on the results obtained, it was found that the hardened steel and ADI had comparable wear properties, while the ADI surface was strengthened probably as a result of the transition of austenite into martensite and the impact of the deformation of the graphite contained in ADI on the abrasive wear of the surface.

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Microstructural and Mechanical Properties (hardness) Investigations of 0.61%A1‐1.11%Si Austempered Ductile Iron

Rashid¹,

Hashemi²

2011

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Austempered ductile iron: an alternative material for earth moving components

Cited by 88 publications

References 4 publications

Effect of Austempering on Plastic Behavior of Some Austempered Ductile Iron Alloys

Effect of Austempering on Plastic Behavior of Some Austempered Ductile Iron Alloys

Abrasive Wear Properties of Fe-Based Alloys Designed for Mining Applications

Microstructural and Mechanical Properties (hardness) Investigations of 0.61%A1‐1.11%Si Austempered Ductile Iron

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