Results 71 to 80 of about 399,574 (207)

Экспериментальные исследования эффективности масляной СОТС с присадкой наноглинистых минералов листовой структуры [PDF]

open access: yes, 2013
В статье приведены результаты экспериментальных испытаний эффективности масляных СОТС с присадкой наноглинистых минералов. Показаны результаты влияния присадок на основе наноглинистых минералов листовой структуры к масляным СОТС на осевую силу и крутящий
Абдулгазис, Д. У.   +4 more
core  

The Importance of Hydration in Wound Healing: Reinvigorating the clinical perspective [PDF]

open access: yes, 2016
Balancing skin hydration levels is important as any disruption in skin integrity will result in disturbance of the dermal water balance. The discovery that a moist wound healing environment actively supports the healing response when compared to a dry ...
Atiyeh B.S.   +14 more
core   +1 more source

Adsorption and anti-corrosion properties od cuttingfluids for shear blades of glass-forming machines

open access: yesZaštita Materijala
The article presents the studies on the adsorption of water-miscible oil-containing cutting fluids on the R6M5 high-speed steel surface. The fluids can be used for the shear blades of drop feeders in glass-forming machines.
Ponomarev Daniil Andreevich   +3 more
doaj   +1 more source

Design of pulse jet coolant delivery system for minimal quantity lubricant (IP MQL) operation [PDF]

open access: yes, 2012
Minimum quantity lubrication (MQL) machining is one of the promising solutions to the requirement for reducing cutting fluid consumption. The work here describes MQL machining in a range of lubricant consumption of 2.0-2.355ml/s, which is between 10 ...
Sapian, Nik Fazli
core  

Hydrated Seal Lip for Live Center in Machine Tools

open access: yesFrontiers in Mechanical Engineering, 2018
When performing a cutting operation, a water-soluble cutting fluid may be used for cooling. Labyrinth and oil seals are commonly used in the rotating centers of machine tools to prevent the cutting fluid and dust from entering the inner parts.
Tetsuya Akiyama   +4 more
doaj   +1 more source

A study on cryogenic supercritical carbon dioxide coolant delivery technique when machining of AISI 1045 steel [PDF]

open access: yes, 2018
The machining operation involves a material removal process and develop high temperature due to the friction force. The heat generated at the region of cutting edge has critical influences on machining process.
Abd Rahim, Erween   +4 more
core  

Numerical modeling and simulation of drilling cutting transport in horizontal wells

open access: yesJournal of Petroleum Exploration and Production Technology, 2018
Cutting transport is an important goal in drilling operation especially in horizontal and deviated wells since it can cause problems such as stuck pipe, circulation loss and high torque and drag.
Ali Zakerian   +4 more
doaj   +1 more source

Enhancing high-speed cutting performance of Inconel 718 superalloy via heat inhibiting with a bio-textured PcBN tool

open access: yesJournal of Materials Research and Technology
Ni-based superalloy exhibits poor machinability due to low thermal conductivity and work hardening, leading to high cutting temperatures that accelerate tool wear and degrade surface quality.
Shilong Chen   +6 more
doaj   +1 more source

Note on paramoudra-like carbonate concretions in the Urenui Formation, North Taranaki: possible plumbing system for a Late Miocene methane seep field [PDF]

open access: yes, 2004
A reconnaissance study of calcitic and dolomitic tubular concretions in upper slope mudstone of the Late Miocene Urenui Formation exposed along the north Taranaki coastline indicates that they have a complex diagenetic history involving different phases ...
Browne, Gregory H.   +6 more
core   +1 more source

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