An investigation into the behaviour of selected boundary regime lubricants when cold forging steel under rolling-sliding conditions

Fleming, Christine

doi:10.1016/j.triboint.2020.106771

Cited by 2 publications

(1 citation statement)

References 46 publications

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“…Significant improvement in the lubrication performance at low friction coefficient (0.15) was realized compared with MoS 2 /Al structure, and the wear rate decreased by ~98%. Fleming [192] did a study of physical vapor deposition (PVD) coatings, suspensions, and an ashless phosphate ester in oil at the interface of the upper die-workpiece and found that the mixing of MoS 2 micro-platelets and an ashless phosphate ester in oil showed tribological synergistic effect, which provided higher quality surface finish and greater protection against wear. Slapnik et al [193] improved tribological performance of the photopolymer-based material for additive manufacturing (AM) using vat photopolymerization (VPP) by modifying photocurable acrylates with different solid lubricants, PTFE, graphite, and MoS 2 .…”

Section: Transition Metal Dichalcogenides (Tmds)mentioning

confidence: 99%

A review of advances in tribology in 2020–2021

Meng

et al. 2022

Friction

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Around 1,000 peer-reviewed papers were selected from 3,450 articles published during 2020–2021, and reviewed as the representative advances in tribology research worldwide. The survey highlights the development in lubrication, wear and surface engineering, biotribology, high temperature tribology, and computational tribology, providing a show window of the achievements of recent fundamental and application researches in the field of tribology.

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Section: Transition Metal Dichalcogenides (Tmds)mentioning

confidence: 99%

A review of advances in tribology in 2020–2021

Meng

et al. 2022

Friction

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show abstract

Forging

2023

Schey’s Tribology in Metalworking

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Forging is a deformation process achieved through the application of compressive stresses. During the stroke, pressures and velocities are continuously changing and the initial lubricant supply must suffice for the duration of the operation. Lubricant residues and pickup products also change with time, further complicating the analysis of friction and wear. This chapter provides a qualitative and quantitative overview of the mechanics and tribology of forging in all of its forms. It discusses the effects of friction, pressures, forces, and temperature on the deformation and flow of metals in open-die, closed-die, and impression-die forging and in back extrusion and piercing operations. It presents various ways to achieve fluid-film lubrication in upset forging processes and examines the cause of barreling, defect formation, and folding in the upsetting of cylinders, rings, and slabs. It also explains how to evaluate lubricants, friction, and wear under hot, cold, and warm forging conditions and how to extend die life and reduce defects when processing different materials.

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An investigation into the behaviour of selected boundary regime lubricants when cold forging steel under rolling-sliding conditions

Cited by 2 publications

References 46 publications

A review of advances in tribology in 2020–2021

A review of advances in tribology in 2020–2021

Forging

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