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The effect of locked screw angulation on the biomechanical properties of the S.P.S. Free-Block plate
(2013-03-27)
Objectives: Among the locked internal fixators is one denominated S.P.S. (Synthesis Pengo System) Free-Block, which was designed with a locking ring that allows the screw to be locked and positioned obliquely. Due to the ...
Assessment of color fidelity of several composite resins compared to their Vita Classical shade registration
(2010-09-01)
This study compared the color fidelity of different composite resins with their registration in the Vita Classical Shade Guide. Using a prefabricated Teflon mold, 120 specimens were divided into four groups fn - 30), ...
Assessment of color fidelity of several composite resins compared to their Vita Classical shade registration
(2010-09-01)
This study compared the color fidelity of different composite resins with their registration in the Vita Classical Shade Guide. Using a prefabricated Teflon mold, 120 specimens were divided into four groups fn - 30), ...
Avaliação das deformações laterais no contato esfera-plano em deslizamento
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia MecânicaUTFPR, 2017-12-07)
The sliding test presents itself as an important tool to obtain mechanical properties of materials, such as coefficient of friction, hardness, coefficient of elasticity, and from this test the possibility of analysis of ...
On the development of the electrochemical potentiokinetic method
(2001-08-15)
The development of electrochemical potentiokinetic methods as applied to the testing of metals and alloys is followed from its early phases up to its latest advances relating to intergranular corrosion, SCC and pitting ...
Portable Hardness tester for timber classification
(2010-12-01)
Hardness is a property largely used in material specifications, mechanical and metallurgical research and quality control of several materials. Specifically for timber, Janka hardness is a simple, quick and easy test, with ...
Influência da geometria do martelo na determinação da força durante o ensaio de impacto Charpy-V
(2003-12-01)
The instrumentation applied to the Charpy test machine allows the accompaniment of the specimen answer front the impact load, in form of a sign characteristically dynamic representative of the deformation process and it ...
Estudo da blenda PHB/NR e a influência dos aditivos de vulcanização
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia de MateriaisUTFPR, 2016-05-30)
Biodegradable polymers arises as an alternative for the accumulation of waste plastics in the environment. The polyhydroxybutyrate (PHB) is an option to replace plastic derived from fossil reserves, but there are factors ...