Results 81 to 90 of about 768 (200)

Analysis of heterogeneous ageing of hnbr o rings

open access: yes, 2023
Hydrogenated nitrile butadiene rubber (HNBR) elastomer was thermo-oxidatively aged at different temperatures up to 150°C. Fourier transform infrared spectroscopy (FTIR), compression stress relaxation (CSR) and IRHD microhardness were used to characterise
Zaghdoudi, Maha
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Caratterizzazione di guarnizioni in HNBR, destinate al sistema integrato HRDelta di Sit La Precisa Spa: previsione della vita utile tramite i metodi di Arrhenius e Williams-Landel-Ferry e ricerca della migliore geometria per una sezione [PDF]

open access: yes, 2022
Descrizione del materiare HNBR: proprieta, processo di produzione, applicazioni. Previsione della vita utile di guarnizioni in HNBR tramite i metodi di Arrhenius e Williams-Landel-Ferry, indagine sull influenza della compressione iniziale e della forma ...
Mangeri, Andrea
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Research on Sealing Performance of High Temperature Resistant Flat Rubber for Roller Cone Bit

open access: yesShiyou jixie, 2020
Commonly used metal seals for roller cone bearings are not only sensitive to vibration with inferior sealing performance, but also have problems like high manufacturing cost, large space occupation and uneven stress and deformation of seals. Therefore, a
Li Guangqiao   +4 more
doaj  

Estimativa de Tempo de Vida de Gaxetas Hnbr e Nbr Utilizadas Em Trocadores de Calor do Tipo Placas Gaxetadas [PDF]

open access: yes, 2022
TCC (graduação) - Universidade Federal de Santa Catarina, Campus Joinville, Engenharia Naval.Elastômeros utilizados na indústria de óleo e gás em trocadores de calor de placas gaxetadas são expostos a condições termo-oxidativas agressivas, onde a ...
Gabrielli, Leonardo Rodrigues
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Using dual-cure architectures in HNBR: A detailed insight into their structure-property relationship

open access: yeseXPRESS Polymer Letters
Hydrogenated acrylonitrile–butadiene rubber (HNBR) is widely used in automotive and sealing applications due to its oil resistance and mechanical durability; however, its long-term performance is significantly influenced by the curing chemistry.
Sharmistha Dhar   +3 more
doaj   +1 more source

Cost‐Effective Solutions for Lithium‐Ion Battery Manufacturing: Comparative Analysis of Olefine and Rubber‐Based Alternative Binders for High‐Energy Ni‐Rich NCM Cathodes

open access: yesChemElectroChem
Promoting safer and more cost‐effective lithium‐ion battery manufacturing practices, while also advancing recycling initiatives, is intrinsically tied to reducing reliance on fluorinated polymers like polyvinylidene difluoride (PVDF) as binders and ...
Susan Montes   +4 more
doaj   +1 more source

On the friction and sliding wear of rubber/layered silicate nanocomposites

open access: yeseXPRESS Polymer Letters, 2007
The dry sliding and friction behaviors of organoclay modified hydrogenated nitrile (HNBR) and ethylene/propylene/diene (EPDM) rubbers were studied using a pin (steel)-on-plate(rubber sheet) test configuration.
doaj   +1 more source

Effect of Loads on Tribological Performance of Rubber Seals at Floating Wind Power in Deep Sea

open access: yesLubricants
The main shaft seal of offshore wind power equipment is one of the key components of wind power systems. However, wear issues between the seals and the main shaft caused by the intrusion of particulate matter in the environment have become a key factor ...
Guibin Tan   +5 more
doaj   +1 more source

Development and Testing of ø299.0 mm Monohole Expandable Casing

open access: yesShiyou jixie
In order to solve the problem of formation leakage in Shahejie Formation in Bohai Oilfield, it is necessary to develop expandable casings with large diameter, high compressive strength and good sealing performance to seal the cracks or faults in complex ...
Yang Baojian   +5 more
doaj   +3 more sources

Reinforced Hydrogenated Nitrile Butadiene Rubber (HNBR) clay nanocomposites

open access: yes, 2012
Nowadays, a rapid and tremendous growth has been seen in the interest of rubber nanocomposite. It has a great potential for novel applications because of the enhancement capability to the base polymer when mixed with small amount of fillers.
Wangsa, Kelvin Oscar.
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