Metal alloys
Elementary characterization of Ti metal alloys used in implant dentistry
... other alloys are em- ployed and consequently it is essential to study the chemical elements present in those alloys that could bring prejudice for the ...TiCP metal alloys used for dental ...
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Estudo da relação entre resistência à abrasão e dureza de ligas odontológicas de...
... 52. MOFFA,J.P. Physical and mechanical properties of gold and base metal alloys. Alternatives to gold alloys in dentistry. Bethesda: National Institutes of Health, Department of Education and ...
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Shape Memory Alloys
... I. INTRODUCTION Shape Memory Alloys (SMAs) are a unique class of metal alloys that can recover apparent permanent strains when they are heated above a certain temperature. The SMAs have two stable ...
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Effect of recasting on the thickness of metal-ceramic interface of nickel-chromium and cobalt-chromium alloys
... cobalt-chromium alloys on the thickness of their metal-ceramic interface in making fixed partial ...dentures. Metal-ceramic interface de- termines their functional integrity and prevents damages on ...
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Braz. Dent. J. vol.16 número3
... base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations ...the ...
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Braz. Dent. J. vol.19 número2
... cast metal alloys on the bond strength of an indirect composite resin (Artglass) to commercially pure titanium ...cylindrical metal rods (3 mm diameter x 60 mm long) were cast in grade-1 cpTi and ...
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Braz. Dent. J. vol.17 número1
... from metal alloys, methods for accurate determination of the real anatomic diameter and achievement of optimal shaping and cleaning of the apical portion created new theories and a new paradigm on the ...
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Braz. Dent. J. vol.20 número2
... Ni-Cr alloys (19), despite its ideal formulation and mold temperature, due to the possibility of over- or under-melting temperature and use of the oxidizing zone of the flame during ...base metal ...
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Estudo e desenvolvimento de blocos para processamento hardwired em aparelhos de auxílio...
... O desenvolvimento da indústria de microeletrônica tem como possível desdobramento a melhoria da qualidade de vida daqueles que dela se beneficiam e sua evolução segue com a utilização de Circuitos Integrados (CI) com ...
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Influence of thermo hydrogen treatment on microstructure and mechanical properties of Ti-5Al-2.5Sn ELI alloy
... itanium alloys are widely used in various fields because of their characteristics of low density, high strength, corrosion resistance and high temperature ...
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Soldag. insp. vol.18 número3
... Dissimilar joining of shape memory alloys to Ti alloys has long been attempted by several research groups due to the foreseen potential industrial applications. However, the very dissimilar thermo-physical ...
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Universidade Estadual do Rio de Janeiro Departamento de Química Geral e Inorgânica
... Podemos visualizar a formação de uma ligação iônica típica entre dois átomos hipotéticos, M (um metal) e X (um não-metal), da seguinte maneira: como M é um metal, sua ene[r] ...
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Braz. J. Phys. vol.32 número2A
... Pulsed laser rystallization of SiGe alloys on GaAsF. Chambouleyron 1.[r] ...
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Fabricação e Caracterização de Dispositivos Baseados em Nanofitas de Óxido de Estanho (SnO
... Dentro desse panorama, pode-se dizer que as nanoestruturas são sistemas bastante versáteis, mas ainda são necessários grandes esforços científicos e tecnológicos para vencer as atuais barreiras à sua utilização. Neste ...
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Investigation of the bainitic reaction in a CuAlNiMnFe shape memory alloy
... memory alloys limits their ...CuAlNiMnFe alloys as functional materials, the effect of ageing on the thermoelastic martensitic transformation was ...these alloys is suggested based on the results of ...
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Mat. Res. vol.20 número4
... The results of DTA and microhardness measurements for alloys of boundary systems, as well as the parameters of the crystal lattices for some intermediate alloys, are given in the Table 1. Based on these ...
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Impact of Alloy Composition and Thermal Stabilization on Martensitic Phase Transformation Structures in CuAlMn Shape Memory Alloys
... memory alloys with an excellent damping capacity within their austenitic-martensitic phase transformation, compared to alloy systems like NiTi, CuZnAl or ...CuAlMn alloys have disadvantage due to generation ...
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Circuito elétrico auxiliar para intubação das vias lacrimais.
... O aparelho permite que o cirurgião não apenas sinta o contato metal-metal mas faz com que saiba que o que está sendo manipulado com o gancho é o metal da sonda e não outras estruturas só[r] ...
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Mat. Res. vol.14 número2
... Figures 2 and 3 show the evolution of V L and T for Al-Ni alloys. As the solidification front advances, the values of both parameters decrease. This effect is reversely translated resulting in increasing of the ...
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Theory of electrical characteristics for metal-oxide-insulator Schottky barrier and metal-insulator-metal structures
... metal-oxide-insulator) contact (a) before applying potentia!, and (b) after applying an external contact potential. contact potential and the charges that flow in the semicon- ductor du[r] ...
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