Data · dataset · 2026
Biomimetic Fabrication and Self-Lubricating Tribological Performance of Laser-Textured Solid-Liquid Composite Coatings
Listed in ScienceDB
To address the problems of poor lubrication film stability and insufficient lubricant supply under limited-oil conditions, this study proposes a novel strategy of biomimetic design combined with magnetically controlled lubrication for synergistic enhancement in solid-liquid composite coatings.
Description
By employing picosecond laser etching on the surface of magnesium alloy, biomimetic Nepenthes-inspired crescent-shaped oil storage structures and iris-inspired wedge-shaped directional transport structures were fabricated.
These were integrated with a sprayed molybdenum disulfide (MoS₂) solid lubricant coating and a magnetorheological fluid (MFS) lubricant to construct a self-lubricating, magnetically tunable, multi-scale composite coating (L-Mg@SMP/MoS₂@MFS). Tribological tests show that under a rotation speed of 200 r/min and a load of 5 N, the composite coating reduced the friction coefficient by 90% (down to 0.057) compared to the substrate, and wear mass loss decreased by 47%.
Read the rest (1 more)
With the introduction of a 350 mPa·s MFS, the coating's lifespan increased by 200%. Mechanism analysis reveals that the crescent-shaped structures enable lubricant recirculation via oil storage and pressure gradient-driven replenishment, while the wedge-shaped structures promote directional lubricant transport through Laplace forces (24 μm/s). Magnetic field regulation further enhances oil film stability through the aligned arrangement of Fe₃O₄ nanoparticles (average size ~50 nm), achieving a centrifugal retention rate of over 85%. This study offers a new biomimetic-magnetic synergistic approach for long-lasting friction reduction design under limited-oil lubrication scenarios.
Links
Where it is published
- DOI doi.org/10.57760/sciencedb.39896 ↗
DOI / persistent id · from scidb cn
Catalogue records · 1
- OAI-PMH record scidb.cn/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=10.57760%2… ↗
metadata API · from scidb cn
Topics
- From keywords
- Earth & Environmental Science · Engineering · Humanities · Life Sciences · Social Science
- Inferred from text
- Fluid mechanics and thermal engineering 74%
Provenance · 1 source records, 10 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| ScienceDB | 10.57760/sciencedb.39896 | 10 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].anzsrc:group:4012 | enrichment · scidb cn | taxonomy-embedding@1.0.0 | title+keywords+description (74%) |
| concepts[field].local:field:earth-environmental | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:engineering | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:humanities | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:life-sciences | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:social-science | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| description | source · scidb cn | connector:scidb_cn@1.0.0 | /metadata/dc/description |
| license_text | source · scidb cn | connector:scidb_cn@1.0.0 | |
| publication_date | source · scidb cn | connector:scidb_cn@1.0.0 | |
| title | source · scidb cn | connector:scidb_cn@1.0.0 | /metadata/dc/title |