scholarly journals Synthesis of water-soluble Cu nanoparticles and evaluation of their tribological properties and thermal conductivity as a water-based additive

Friction ◽  
2018 ◽  
Vol 7 (3) ◽  
pp. 246-259 ◽  
Author(s):  
Junhua Zhao ◽  
Guangbin Yang ◽  
Chunli Zhang ◽  
Yujuan Zhang ◽  
Shengmao Zhang ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Tribological Properties ◽  
Water Soluble ◽  
Cu Nanoparticles ◽  
Water Based

scholarly journals Experimental study on thermal, rheological and filtration control characteristics of drilling fluids: effect of nanoadditives

2020 ◽  
Vol 75 ◽  
pp. 36
Author(s):  
Erfan Veisi ◽  
Mastaneh Hajipour ◽  
Ebrahim Biniaz Delijani
Keyword(s):  
Thermal Conductivity ◽  
Heat Capacity ◽  
Drilling Fluid ◽  
Formation Damage ◽  
Fluid Loss ◽  
Drilling Fluids ◽  
Drill Bit ◽  
Rheological Characteristics ◽  
Cu Nanoparticles ◽  
Water Based

Cooling the drill bit is one of the major functions of drilling fluids, especially in high temperature deep drilling operations. Designing stable drilling fluids with proper thermal properties is a great challenge. Identifying appropriate additives for the drilling fluid can mitigate drill-bit erosion or deformation caused by induced thermal stress. The unique advantages of nanoparticles may enhance thermal characteristics of drilling fluids. The impacts of nanoparticles on the specific heat capacity, thermal conductivity, rheological, and filtration control characteristics of water‐based drilling fluids were experimentally investigated and compared in this study. Al2O3, CuO, and Cu nanoparticles were used to prepare the water-based drilling nanofluid samples with various concentrations, using the two-step method. Transmission Electron Microscopy (TEM) and X-Ray Diffraction (XRD) were utilized to study the nanoparticle samples. The nanofluids stability and particle size distribution were, furthermore, examined using Dynamic Light Scattering (DLS). The experimental results indicated that thermal and rheological characteristics are enhanced in the presence of nanoparticles. The best enhancement in drilling fluid heat capacity and thermal conductivity was obtained as 15.6% and 12%, respectively by adding 0.9 wt% Cu nanoparticles. Furthermore, significant improvement was observed in the rheological characteristics such as the apparent and plastic viscosities, yield point, and gel strength of the drilling nanofluids compared to the base drilling fluid. Addition of nanoparticles resulted in reduced fluid loss and formation damage. The permeability of filter cakes decreased with increasing the nanoparticles concentration, but no significant effect in filter cake thickness was observed. The results reveal that the application of nanoparticles may reduce drill-bit replacement costs by improving the thermal and drilling fluid rheological characteristics and decrease the formation damage due to mud filtrate invasion.

Tribological Properties and Worn Surface Analysis Generated by Sulfur- and Phosphorus-Free Molybdenum-Containing Water-Based Lubricant

2012 ◽  
Vol 591-593 ◽  
pp. 1054-1057 ◽  
Author(s):  
Li Li Yan ◽  
Cheng Biao Wang ◽  
Wen Yue ◽  
Bo Xu
Keyword(s):  
Tribological Properties ◽  
Photoelectron Spectroscopy ◽  
Environmental Concern ◽  
Nitrogen Compound ◽  
Water Soluble ◽  
Environment Friendly ◽  
Water Based ◽  
Modern Manufacturing ◽  
Worn Surface ◽  
Reducing Properties

The development of environment-friendly water-based lubricants has been paid more and more attention in modern manufacturing due to environmental concern and human health. In this paper, several water-soluble molybdenum-containing additives (WMCAs) were synthesized, and characterized by Fourier transform infrared (FTIR), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). The tribological properties of WMCAs in water were evaluated by a four-ball tester. The results indicated that WMCAs exhibited beneficial effect on the anti-wear and friction-reducing properties of water under all tested concentrations, which could be attributed to organic nitrogen compound, iron oxides and MoO3 in WMCAs tribofilm.

Synthesis of a water-soluble, rubber seed oil-based sulfonate and its tribological properties as a water-based lubricant additive

2017 ◽  
Vol 135 (15) ◽  
pp. 46119 ◽  
Author(s):  
Haiyang Ding ◽  
Mei Wang ◽  
Mei Li ◽  
Kun Huang ◽  
Shouhai Li ◽  
...  
Keyword(s):  
Tribological Properties ◽  
Seed Oil ◽  
Lubricant Additive ◽  
Water Soluble ◽  
Rubber Seed Oil ◽  
Rubber Seed ◽  
Water Based

Preparation and tribological properties of water-soluble copper/silica nanocomposite as a water-based lubricant additive

2012 ◽  
Vol 259 ◽  
pp. 824-830 ◽  
Author(s):  
Chunli Zhang ◽  
Shengmao Zhang ◽  
Laigui Yu ◽  
Zhijun Zhang ◽  
Zhishen Wu ◽  
...  
Keyword(s):  
Tribological Properties ◽  
Lubricant Additive ◽  
Water Soluble ◽  
Water Based ◽  
Silica Nanocomposite

scholarly journals Tunable tribological properties in water-based lubrication of water-soluble fullerene derivatives via varying terminal groups

2012 ◽  
Vol 57 (35) ◽  
pp. 4641-4645 ◽  
Author(s):  
YuHong Liu ◽  
PengXiao Liu ◽  
Lu Che ◽  
ChunYing Shu ◽  
XinChun Lu
Keyword(s):  
Tribological Properties ◽  
Water Soluble ◽  
Fullerene Derivatives ◽  
Water Based

A model for thermal conductivity of carbon nanotubes with ethylene glycol/water based nanofluids

2017 ◽  
Vol 59 (02) ◽  
pp. 10-13
Author(s):  
Trong Tam Nguyen ◽  
◽  
Hung Thang Bui ◽  
Ngoc Minh Phan ◽  
◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Carbon Nanotubes ◽  
Ethylene Glycol ◽  
Water Based

Static and Dynamic Combined Effects on the Thermal Conductivity of Water Based Ironoxide Nanofluids: Experiments and Theories

Smart Science ◽  
2021 ◽  
pp. 1-14
Author(s):  
A. Arifutzzaman ◽  
Ahmad Faris Bin Ismail ◽  
Md Zahangir Alam ◽  
Ahsan Ali Khan ◽  
Navid Aslfattahi ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Combined Effects ◽  
Water Based

Flow of Water Based Nanofluid Containing Different Shapes of Cu Nanoparticles Embedded in a Porous Medium

2021 ◽  
Vol 7 (3) ◽  
Author(s):  
Muhammad Salman Kausar ◽  
Abid Hussanan ◽  
Muhammad Qasim ◽  
Mustafa Mamat
Keyword(s):  
Porous Medium ◽  
Cu Nanoparticles ◽  
Water Based ◽  
Different Shapes
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