Results 151 to 160 of about 957 (204)

In situ synchrotron XAS study of the decomposition kinetics of ZDDP triboreactive interfaces. [PDF]

RSC Adv, 2018
Dorgham A, Parsaeian P, Neville A, Ignatyev K, Mosselmans F, Masuko M, Morina A.   +6 more
europepmc   +1 more source

Effect of Electric Fields on the Decomposition of Phosphate Esters. [PDF]

J Phys Chem C Nanomater Interfaces
Zhu Z, Ewen JP, Kritikos EM, Giusti A, Dini D.   +4 more
europepmc   +1 more source

Tribological Properties of Synthetic and Biosourced Lubricants Enhanced by Graphene and Its Derivatives: A Review. [PDF]

ACS Omega
Jafari A, Majdoub M, Sengottuvelu D, Ucak-Astarlioglu MG, Al-Ostaz A, Nouranian S.   +5 more
europepmc   +1 more source

Developing a sustainable grease from jojoba oil with plant waste based nanoadditives for enhancement of rolling bearing performance. [PDF]

Sci Rep
Dube NN, ElKady M, Noby H, Nassef MGA.
europepmc   +1 more source

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Friction and Wear Behavior of Zinc Dialkyldithiophosphate Additive

Tribology Transactions, 2000
A method has been developed for monitoring the film-forming properties of antiwear additives in rolling-sliding, lubricated contacts. This makes it possible to study both the kinetics of reaction film growth and also the evolution of the film morphology as a function of rubbing time.
L. Taylor, A. Dratva, H. A. Spikes
openaire   +3 more sources

The Chemistry of the Thermal Degradation of Zinc Dialkyldithiophosphate Additives

A S L E Transactions, 1981
A mechanism for the thermal decomposition of zinc dialkyldithiophosphate additives has been proposed that accounts for the major degradation products and their dependence on the nature of the alkyl group. The proposed mechanism generally follows well-known rules of phosphorus chemistry. The major points are as follows.
R. B. Jones, R. C. Coy
openaire   +3 more sources

Improving the aging resistance of asphalt by addition of Zinc dialkyldithiophosphate

Fuel, 2006
The aging properties of asphalts are evaluated using high pressure-gel permeation chromatography (HP-GPC) and Fourier Transform Infrared (FTIR) spectroscopy. The effect of a small amount (1 wt%) of zinc dialkyldithiophosphate (ZDDP) on the chemical and physical properties, and molecular weight distribution of asphalts is studied.
Chunfa Ouyang, Shifeng Wang, Yong Zhang, Yinxi Zhang   +3 more
openaire   +3 more sources

Structure of hydrocarbon radicals in zinc dialkyldithiophosphates

Chemistry and Technology of Fuels and Oils, 1971
1. A study has been made of the infrared absorption spectra of dialkyldithiophosphoric acids containing hydrocarbon radicals of different structure. 2. The valence vibrations of the bonds P= S, P-S, and C-O-(P) correspond to the frequency ranges 651–671, 507–550, and 967–1045 cm−1. 3. The structure of the hydrocarbon radicals
G. G. Kotova, M. F. Ulanova, N. S. Sosina, K. I. Zimina, M. M. Fialko   +4 more
openaire   +2 more sources

Interaction between zinc dialkyldithiophosphate and amine

Lubrication Science, 1989
AbstractThis paper reports work on complex formation from ZDP and various aliphatic amines, and their equilibrium states in oil, adsorptivities and antiwear properties are investigated. Complex formation from ZDP and amine was proven by isolation and identification of solid crystals, and various complexes were found from mono‐ and diamines. The complex
M. Shiomi, M. Tokashiki, H. Tomizawa, T. Kuribayashi   +3 more
openaire   +1 more source

Thick Film Formation by Zinc Dialkyldithiophosphates

A S L E Transactions, 1983
A series of pure zinc dialkyldithiophosphates have been tested on high-frequency reciprocating test device. The formation of thick chemical films during friction testing was monitored using contact resistance measurements.
P. Cann, H. A. Spikes, A. Cameron
openaire   +1 more source