Mostrando 241 - 280 resultados de 356 para a busca '"Sinter"', tempo de busca: 0.75s Refinar Resultados
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    .... The samples were sintered by uniaxial hot pressing on 30 MPa pressure, for 1 hour in an argon atmosphere...
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  3. 243
    ..., resistance to bending three points, X ray diffraction after burning and scanning electron microscopy sintered...
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    doctoralThesis
  4. 244
    ... to the occurrence of diffusive processes typical of the sintering phenomenon....
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    bachelorThesis
  5. 245
    ... sintering of the bodies of the test piece at temperatures of 900oC, 1000oC 1100oC and with a heating rate...
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    ... and sintering of the material, resulting of a replication of the original foam. To perform their functions...
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  14. 254
    ..., 1150°C and 1200ºC with 60 minutes of sorling time. After sintering, the samples were submitted...
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    ... the grinding and sintering via SPS. After, the compacted material was characterized regarding microhardness...
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  17. 257
    .... The samples were sintered at 990ºC temperature, the heating rate of 5°C/min with an isothermal hour...
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    doctoralThesis
  18. 258
  19. 259
    ... and Tecnological properties, planing three formulations that were sinterized at six different temperatures: 1150...
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  20. 260
    ..., denser. Then the sintering of the test bodies was carried out in a tubular furnace with the following...
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    bachelorThesis
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    ... phases. Powder metallurgy has the following steps: mixing of components, compaction and sintering...
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    bachelorThesis
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  29. 269
    ... and sintered at 1100ºC at a rate of 5º/min. XRD and SEM analyzes were performed, in addition to the bending...
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    bachelorThesis
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  34. 274
    ... sintered cBN grains and subsequent encrustation of these particles on the metal matrix under the cBN-R...
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    doctoralThesis
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  36. 276
    ... is to study the process of sintering of composites of ceramic base consisting of Al2O3 and silicates...
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    doctoralThesis
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    .... Their specimen can be formed of polycrystalline ferrites (sintered body) or ferrite composites dispersed in some...
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    doctoralThesis
  39. 279
    ... processes and ordered to the utilization of the substrate sinterization process, it gave us a ceramic...
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    doctoralThesis
  40. 280
    ..., the present work constitutes a fully new route to sintering iron niobate. The results indicate...
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    doctoralThesis