Publications de Ramin Aghababaei

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The low thermal conductivity of nano-crystalline materials is commonly explained via diffusive scattering of phonons by internal boundaries. In this study, we have quantitatively studied phononcrystalline boundaries scattering and its effect on the overall ...

Every contacting surface inevitably experiences wear. Predicting the exact amount of material loss due to wear relies on empirical data and cannot be obtained from any physical model. Here, we analyze and quantify wear at the most fundamental level, i.e., ...

Wear is the inevitable damage process of surfaces during sliding contact. According to the well-known Archard’s wear law, the wear volume scales with the real contact area and as a result is proportional to the load. Decades of wear experiments, however, s ...

In this review, we discuss our recent advances in modeling adhesive wear mechanisms using coarse-grained atomistic simulations. In particular, we present how a model pair potential reveals the transition from ductile shearing of an asperity to the formatio ...

Sliding contact between solids leads to material detaching from their surfaces in the form of debris particles, a process known as wear. According to the well-known Archard wear model, the wear volume (i.e. the volume of detached particles) is proportional ...

The adhesive wear process remains one of the least understood areas of mechanics. While it has long been established that adhesive wear is a direct result of contacting surface asperities, an agreed upon understanding of how contacting asperities lead to w ...

Adhesion between two bodies is a key parameter in wear processes. At the macroscale, strong adhesive bonds are known to lead to high wear rates, as observed in clean metal-on-metal contact. Reducing the strength of the interfacial adhesion is then desirabl ...

Ramin Aghababaei

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Impact of internal crystalline boundaries on lattice thermal conductivity: Importance of boundary structure and spacing

On the debris-level origins of adhesive wear

Asperity-Level Origins of Transition from Mild to Severe Wear

Adhesive wear mechanisms uncovered by atomistic simulations

A mechanistic understanding of the wear coefficient: From single to multiple asperities contact

Critical length scale controls adhesive wear mechanisms

Role of interfacial adhesion on minimum wear particle size and roughness evolution

Modeling and simulation in tribology across scales: An overview

The role of hardness in the surface roughness evolution during adhesive wear processes