Results 101 to 110 of about 14,864 (294)
Evaluation of kinetic friction between regular and colored titanium molybdenum alloy archwires
Indian Journal of Dental Research, 2018 Aim: The aim of this study was to evaluate the kinetic frictional properties of colored titanium molybdenum alloy (TMA) archwires (purple-coated TMA and honey dew-coated TMA) and the regular TMA archwires.
Lidhiya Alexander +5 more
doaj +1 more source
Modulus‐Switchable Miniature Robots for Biomedical Applications: A Review
Advanced Robotics Research, EarlyView.Materials, robot designs, proof‐of‐concept functions, and biomedical applications of modulus‐switchable miniature robots. Miniature soft robots have shown great potential in biomedical applications due to their excellent controllability and suitable mechanical properties in biological environments.
Chunyun Wei, Yibin Wang, Jiangfan Yu
wiley +1 more source
Static and Kinetic Friction of 3D Printed Polymers and Composites
The work examines the characteristics of the static and kinetic friction of five types of polymer materials and composites obtained by 3D printing, which are united into 2 groups: group A: PLA, Tough PLA (Technical Polylactic acid), and SteelFill (PLA ...
Mara Kandeva +3 more
core +1 more source
, 2020 Tribological tests are adopted to estimate the kinetic friction coefficient (COF) of the material of interest according to the American Society for Testing and Materials (ASTM) standard.
Sommella, P. +4 more
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The kinetic friction coefficient of neutral and charged polymer brushes.
, 2013 International audienceThe compression-dependence of the friction coefficients of neutral and charged polymer brushes at the same surface coverage is studied using dissipative particle dynamics (DPD) at two different shear rates. The chemical potential of
Ghoufi, Aziz +3 more
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Nihon Kikai Gakkai ronbunshu, 2019 Mechanical systems have many joints within. It is well known that the parameters such as contact stiffness, static friction coefficient, kinetic friction coefficient and attenuation coefficient affect static, kinetic, thermal and motion characteristic of
Fumihiko INAGAKI +7 more
doaj +1 more source
Advanced Science, EarlyView.A one‐step, asymmetric reductive coupling of alkynes and oxa‐ and aza‐bicyclic olefins using a cobalt/photoredox catalytic system through desymmetrization. ABSTRACT Bicyclo[2.2.1]heptane frameworks represent a privileged structural motif prevalent in numerous natural products and bioactive molecules.
Subhankar Pradhan +5 more
wiley +1 more source
INVESTIGATION OF FACTORS AFFECTING FORCE OF KINETIC FRICTION: MASS, SURFACE AREA AND SPEED [PDF]
, 2011 The objective of this report is to investigate the effects of mass, surface area and speed of a moving object on force of kinetic friction as underlined with the research question as “How do mass, surface area and speed of moving object affect the ...
Özvarış, Irmak
core
Pleural liquid and kinetic friction coefficient of mesothelium after mechanical ventilation
, 2015 Volume and protein concentration of pleural liquid in anesthetized rabbits after 1 or 3 h of mechanical ventilation, with alveolar pressure equal to atmospheric at end expiration, were compared to those occurring after spontaneous breathing.
E. Agostoni +4 more
core +1 more source
Kinetic Friction Coefficient of Polydimethylsiloxane
The Journal of the Society of Chemical Industry, Japan, 1958 末端基がトリメチルシロキシ基であるポリジメチルシロキサン[I]〓(n:1～4)および末端基にエトキシ基を有するポリジメチルシロキサン[II]〓(n:2～5)について,鋼-鋼間の動摩擦係数を振子型油性試験機によって2 5 ℃ で測定した。いずれのポリジメチルシロキサンにおいても, Si原子数が増加するにしたがって動摩擦係数が減少する。ポリジメチルシロキサン[I] の系統では, 動摩擦係数と25℃ の粘度( 対数)との関係は粘度で2～3cs,Si原子数で5～6のところを境に異なる。この結果,Si原子数5以下のポリジメチルシロキサンでは,Si-O結合のイオン性による吸着,および分子間力が動摩擦係数に大きな影響を与えているものと考えた。[II]の動摩擦係数が[I]より小さいのは ...
openaire +2 more sources