Results 81 to 90 of about 655 (203)

Determination of the Degree of Hydrogenation in Hydrogenated Nitrile-Butadiene Rubber (HNBR)

, 1990
A number of analytical techniques are available for the measurement of the residual unsaturation in HNBR polymers. However, to insure that high-quality HNBR products are produced, it is necessary to use a standard procedure throughout the industry which ...
T. Dee, C. Taylor, A. J. Marshall, I. R. Jobe   +3 more
core   +1 more source

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

, 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
core  

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]

, 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
core  

Development of a damage model for rapid decompression of O-ring seals in high-pressure and long-distance CO2 pipelines

You-qi chuyun
ObjectiveLong-distance pipelines are essential for large-scale CO2 transportation within the Carbon Capture, Utilization, and Storage (CCUS) system, where the reliability of sealing systems directly influences safety and efficiency.
Li MO, Xiong XIAO, Changjun LI, Wenlong JIA, Xia WU, Chao CHEN   +5 more
doaj   +1 more source

Effects of preparation methods on the mechanical and thermal properties of graphene-modified HNBR composites

, 2018
Polymers modified by graphene have become an attractive method to enhance the matrix properties, wherein the dispersion of graphene in the matrix and the interfacial interactions between graphene and matrix are critical to influence the final performance.
Chun Wei, Dejiang Yang, Yongyang Gong, Tianxi Liu, Jian Lv   +4 more
core   +1 more source

Effect of Hydrogen Pressure on the Fretting Behavior of Rubber Materials

Lubricants
Safety and reliability are the major challenges to face for the development and acceptance of hydrogen technology. It is therefore crucial to deeply study material compatibility, in particular for tribological components that are directly in contact with
Géraldine Theiler, Natalia Cano Murillo, Andreas Hausberger   +2 more
doaj   +1 more source

Identification of swelling/shrinking coefficients under CO2 on an FKM O-ring – Comparison with HNBR and influence of reinforcements on the matrices

, 2022
International audienceA better understanding of elastomers’ behavior during Rapid Gas Decompression (RGD) requires advanced knowledge of what is happening during gas sorption and desorption.
Grandidier, Jean-Claude, Eric Lainé, Jean-Claude Grandidier, Boyer, Séverine A.E., Destaing, Fanny, Lainé, Eric, Séverine A.E. Boyer, Benoit Omnès, Fanny Destaing, Omnès, Benoit   +9 more
core   +1 more source

Research on Sealing Performance of High Temperature Resistant Flat Rubber for Roller Cone Bit

Shiyou 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, Kuang Yuchun, Zhong Wenjian, Wei Qi, Zeng Zhaoan   +4 more
doaj  

Using dual-cure architectures in HNBR: A detailed insight into their structure-property relationship

eXPRESS 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, Arshad Rahman Parathodika, Dibyendu Dey, Kinsuk Naskar   +3 more
doaj   +1 more source

Elastic recovery after compression in HNBR at low and moderate temperatures: Experiment and modelling [PDF]

, 2017
Elastic recovery after compression or compression set is one of the key indicators of elastomer performance in sealing applications, such as O-rings in flange joints.
Echtermeyer, Andreas T., Akulichev, Anton, Alcock, Benjamin, Ben Alcock, Anton G. Akulichev, Andreas T. Echtermeyer   +5 more
core   +1 more source