Results 111 to 120 of about 4,317 (295)

Polyurethane Composites for Water-lubricated Bearings Application

Chinese Journal of Applied Chemistry, 2012
Organic-inorganic hybrid polyurethane composites with excellent heat-resistance were synthesized via reaction of toluene-2,4-diisocyanate(TDI) prepolymer,3,3-dichloro-4,4-diamino diphenylmethane(MOCA),aminopropyl triethoxysilane(APTEOS) and tetraethoxysilane(TEOS).Molecular structures and properties of the material were characterized by IR,TGA,friction
openaire   +1 more source

Influence of main design parameters of ship propeller shaft water-lubricated bearings on their properties

, 2010
Influence of main design parameters of ship propeller shaft water-lubricated bearings on their properties In recent years more and more frequently can be met ships in which propeller shaft water-lubricated polymer bearings have been applied.
Wojciech Litwin
core   +1 more source

Facile fabrication and tribological properties of self-lubricating polyurethane based on expanded graphite/paraffin for water lubricated bearings

Journal of Materials Research and Technology
To improve the tribological properties of polyurethane (PU) based water-lubricated bearings specifically under severe conditions, expanded graphite/paraffin (EG/paraffin) is synthesized as self-lubricating additives and incorporated into the polyurethane
Jiangbo Li, Wenli Zhang, Zijian Tang, Tao Hu, Xiaolei Li, Wei Wu, Chenhui Zhang   +6 more
doaj   +1 more source

Tribological Properties of Polyoxymethylene，Polyethylene Terephthalate and Polyetherimide Under Water-Lubricated Conditions [PDF]

Cailiao Baohu
To tackle environmental issues caused by traditional oil-lubricated bearings，water-lubricated bearings are increasingly used in clean energy equipment. However，water’ s low viscosity often leads to lubrication film rupture，causing bearings to operate in ...
HOU Zhihao, GUO Zhiwei, WU Zumin, YUAN Chengqing
doaj   +1 more source

An Investigation of Acoustic Emission Responses of a Self Aligning Spherical Journal Bearing

, 2011
High power industrial machinery such as steam turbines and large pumps use journal bearings as rotor supports because this type of bearing is a high load carrying capacity.
Gu, Fengshou, Ball, Andrew, Ball, A. D., Gu, F., Wang, Tie, Raharjo, Parno, Raharjo, P., Abdusslam, S.A., Abdusslam, Shukri A.   +8 more
core  

Embedding Chemistry and Pharmacy Into Sustainability

Angewandte Chemie International Edition, EarlyView.
Chemistry and pharmacy provide products and processes that are indispensable for our high living standard. To understand their relationship with sustainability is important to allow them to contribute to sustainability in a sustainable manner. An integrated overview of green, circular, and sustainable chemistry and pharmacy is given and how they have t
Klaus Kümmerer
wiley   +1 more source

Development of porous-ceramic hydrostatic bearings [PDF]

, 2003
Porous-ceramic hydrostatic bearings have been recently developed. These bearings have demonstrated an exceptional overall performance when compared with conventional technology bearings.
Durazo-Cardenas, Isidro
core  

Bioconvective Unsteady Casson Hybrid Nanofluid Flow on a Variable Darcy Regime Between Two Rotating Disks With Variable Heat Source

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study carries significant consequences in various engineering applications, such as cooling rotating disk surfaces, improving chemical reactor performance, and designing filtration systems. Considering these main applications in view, the aim of this study is to investigate time‐dependent Casson hybrid nanofluid flow on a permeable ...
Ebrahem A. Algehyne, Abdul Bariq, Mounirah Areshi, Fahad Maqbul Alamrani, Zehba Raizah, Izharul Haq, Anwar Saeed   +6 more
wiley   +1 more source

Investigation into the Synergistic Effects of Sediment Concentration and Particle Size on the Friction and Wear Properties of Nitrile Butadiene Rubber

Journal of Marine Science and Engineering
Nitrile Butadiene Rubber (NBR) is commonly used in ships’ water-lubricated tail bearings. However, sediment in the water significantly affects these bearings’ friction and wear performance.
Lun Wang, Xincong Zhou, Qipeng Huang, Xueshen Liu, Zhenjiang Zhou, Shaopeng Xing   +5 more
doaj   +1 more source

First‐Principles Study of Structural, Mechanical, Electronic, Thermodynamical, and Optical Properties of XGaO2 (X = Rb and Cs): Unlocking Its Green Energy Potential

Advanced Physics Research, EarlyView.
This study employs density functional theory (DFT) to investigate the structural, mechanical, electronic, optical, and thermodynamic properties of RbGaO2 and CsGaO2. The calculated band structures and band‐edge positions indicate semiconducting behavior and favorable alignment for photocatalytic dye degradation and hydrogen evolution, highlighting ...
Md. Zuel Rana, Md. Saiful Islam, Jahid Hasan, Abdul Barik, Mahamud Hasan Reedoy, Afroza Khatun, Md. Abde Mannaf, Ehesanul Hoq, Neelufar Panna, M. S. Alam   +9 more
wiley   +1 more source