Nanoparticle-enhanced coolants in machining: mechanism, application, and prospects

S Hu, C Li, Z Zhou, B Liu, Y Zhang, M Yang, B Li… - Frontiers of Mechanical …, 2023 - Springer
Nanoparticle-enhanced coolants (NPECs) are increasingly used in minimum quantity
lubrication (MQL) machining as a green lubricant to replace conventional cutting fluids to …

Constraints on subduction geodynamics from seismic anisotropy

MD Long - Reviews of Geophysics, 2013 - Wiley Online Library
Much progress has been made over the past several decades in delineating the structure of
subducting slabs, but several key aspects of their dynamics remain poorly constrained …

Asthenospheric low-velocity zone consistent with globally prevalent partial melting

J Hua, KM Fischer, TW Becker, E Gazel, G Hirth - Nature Geoscience, 2023 - nature.com
The asthenosphere plays a fundamental role in present-day plate tectonics as its low
viscosity controls how convection in the mantle below it is expressed at the Earth's surface …

An anisotropic shear velocity model of the Earth's mantle using normal modes, body waves, surface waves and long-period waveforms

P Moulik, G Ekström - Geophysical Journal International, 2014 - academic.oup.com
We use normal-mode splitting functions in addition to surface wave phase anomalies, body
wave traveltimes and long-period waveforms to construct a 3-D model of anisotropic shear …

Thermal structure and melting conditions in the mantle beneath the Basin and Range province from seismology and petrology

T Plank, DW Forsyth - Geochemistry, Geophysics, Geosystems, 2016 - Wiley Online Library
To better constrain the temperature structure in the upper mantle, we jointly invert seismic
surface wave velocities and basalt thermobarometry. New measurements of the water …

Changes in seismic anisotropy shed light on the nature of the Gutenberg discontinuity

C Beghein, K Yuan, N Schmerr, Z Xing - Science, 2014 - science.org
The boundary between the lithosphere and asthenosphere is associated with a platewide
high–seismic velocity “lid” overlying lowered velocities, consistent with thermal models …

Tectonics and landscape of the Central African Plateau and their implications for a propagating Southwestern Rift in Africa

MC Daly, P Green, AB Watts, O Davies… - Geochemistry …, 2020 - Wiley Online Library
Abstract The Central African Plateau (CAP) covers a million square kilometers of African
lithosphere absent of recent volcanism and intense seismicity. Treating the CAP erosion …

Volcanism in the Afar Rift sustained by decompression melting with minimal plume influence

CA Rychert, JOS Hammond, N Harmon… - Nature …, 2012 - nature.com
Continental breakup is caused by some combination of heating and stretching,. The Afar Rift
system in Africa is an example of active continental rifting, where a mantle plume probably …

Thermal classification of lithospheric discontinuities beneath USArray

SM Hansen, K Dueker, B Schmandt - Earth and Planetary Science Letters, 2015 - Elsevier
Broadband seismic data from the United States were processed into P s and S p receiver
function image volumes for the purpose of constraining negative velocity gradients (NVG) at …

High‐resolution constraints on Pacific upper mantle petrofabric inferred from surface‐wave anisotropy

JB Russell, JB Gaherty, PYP Lin… - Journal of …, 2019 - Wiley Online Library
Lithospheric seismic anisotropy illuminates mid‐ocean ridge dynamics and the thermal
evolution of oceanic plates. We utilize short‐period (5–7.5 s) ambient‐noise surface waves …