Results 11 to 20 of about 821,881 (278)
Vojnotehnički Glasnik, 2005 U radu je opisan mehanizam trenja i trošenja vodećeg prstena projektila usled zagrevanja i topljenja kontaktne površine projektila. Primenjen je model hidrodinamičkog klizanja vodećeg prstena i postavljena Rejnoldsova jednačina za "fluid" (otopljeni film)
Zoran Ristić +2 more
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Effect of reinforcing submicron SiC particles on the wear of electrolytic NiP coatings Part 2: Bi-directional sliding [PDF]
, 2006 As-plated and heat-treated electrodeposited NiP and composite NiP-SiC coatings were investigated in bi-directional ball-on-disc sliding tests. All tests were performed under gross slip conditions.
Aslanyan, I. R. +2 more
core +2 more sources
Reducible braids and Garside theory [PDF]
, 2010 We show that reducible braids which are, in a Garside-theoretical sense, as simple as possible within their conjugacy class, are also as simple as possible in a geometric sense.
Benardete +6 more
core +5 more sources
Effect of Bracket’s Slot Size on Canine Position and Space Closure Rate (A Typodont Study) [PDF]
Al-Rafidain Dental Journal, 2014 This study aimed to determine the effect of newly introduced 0.020” slot size brackets on di-mensional positions and space closure ratio of mandibular canine. Material and Methods: The study includes six groups according to slot sizes (0.018”, 0.020” and
Khudair A Al-Jumaili +2 more
doaj +1 more source
Does water lubrication affect friction differently for rocks and soils? Evidence and open questions
Studia Geotechnica et Mechanica, 2022 The present paper focuses on the shear strength exhibited by rocks and soils when sliding along dry and wet surfaces, with this mechanism of failure being strongly related to the water lubrication phenomenon.
Cafaro F., Hamad A., Monterisi L.
doaj +1 more source
Dynamical chiral symmetry breaking in sliding nanotubes [PDF]
, 2009 We discovered in simulations of sliding coaxial nanotubes an unanticipated example of dynamical symmetry breaking taking place at the nanoscale. While both nanotubes are perfectly left-right symmetric and nonchiral, a nonzero angular momentum of phonon ...
E. Guyon +4 more
core +2 more sources
Practical research of free standing rack (Seismic experiment study on full scale free standing rack)
Nihon Kikai Gakkai ronbunshu, 2015 The spent fuel taken out of a plant reactor is temporarily stored in a spent fuel rack. This fuel will often have to be stored in the rack for long periods before it can be moved to a reprocessing facility. Therefore, the spent fuel rack must have a high
Akihisa IWASAKI +6 more
doaj +1 more source
Advanced Engineering Research, 2020 Introduction. The paper is devoted to the analytical determination of general criteria for predicting the wear resistance of heavily loaded friction couples, in particular, stamping tools, operating under various loading conditions.
S. D. Kolotienko +2 more
doaj +1 more source
Quasi-continuous higher-order sliding mode controller designs for spacecraft attitude tracking manoeuvres [PDF]
, 2008 This paper studies high-order sliding mode control laws to deal with some spacecraft attitude tracking problems. Second and third order quasi-continuous sliding control are applied to quaternion-based spacecraft attitude tracking manoeuvres.
Pukdeboon, C. +2 more
core +1 more source
Metals, 2018 Narrow layers of severe plastic deformation are often generated near frictional interfaces in deformation processes as a result of shear deformation caused by friction.
Sergei Alexandrov +4 more
doaj +1 more source