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  • World Scientific Pub Co Pte Ltd  (3)
  • 2005-2009  (3)
  • Physics  (3)
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  • World Scientific Pub Co Pte Ltd  (3)
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  • 2005-2009  (3)
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  • Physics  (3)
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  • 1
    Online Resource
    Online Resource
    PREPARATION OF HIGH-ORDERLY TIO 2 NANOTUBES IN DIFFERENT CONDITIONS AND ELECTROLYTE SOLUTIONS
    World Scientific Pub Co Pte Ltd ; 2007
    In:  International Journal of Modern Physics B Vol. 21, No. 18n19 ( 2007-07-30), p. 3506-3510
    Details
    In: International Journal of Modern Physics B, World Scientific Pub Co Pte Ltd, Vol. 21, No. 18n19 ( 2007-07-30), p. 3506-3510
    Abstract: High-orderly nanotubes of titania were fabricated by anodic oxidation of pure titanium substrate in different electrolytes containing fluoride. Different morphological nanotubes of titania were obtained through controlling the different pH value of inorganic electrolytes, and it was found that nanotubes of titanium oxide would not formed when pH value was above 6. The morphological and structural properties of nanotublar products were characterized by SEM. The synthesized nanotubes of titania in organic electrolytic solutions containing fluoride was of 60 μm in length. The experiments demonstrated the length and orderliness of nanotubes of titanium oxide in organic solutions were much better than those in inorganic solutions.
    Type of Medium: Online Resource
    ISSN: 0217-9792 , 1793-6578
    URL: Article
    DOI: 10.1142/S0217979207044858
    RVK:
    UA 4381.B
    Language: English
    Publisher: World Scientific Pub Co Pte Ltd
    Publication Date: 2007
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    Online Resource
  • 2
    Online Resource
    Online Resource
    DETERMINATION OF PARAMETERS OF STEINBERG-GUINAN CONSTITUTIVE MODEL WITH SHOCK WAVE EXPERIMENTS
    World Scientific Pub Co Pte Ltd ; 2008
    In:  International Journal of Modern Physics B Vol. 22, No. 09n11 ( 2008-04-30), p. 1111-1116
    Details
    In: International Journal of Modern Physics B, World Scientific Pub Co Pte Ltd, Vol. 22, No. 09n11 ( 2008-04-30), p. 1111-1116
    Abstract: Steinberg-Guinan constitutive model is widely used in impact engineering simulations. Shock wave profile measurements of Al , Cu , and W under shock pressures ranging from 4 GPa to 200 GPa were analyzed, and shear modulus G and yield strength Y of these materials were obtained by using the high-pressure sonic velocities and rate independent Lagrange analysis results. Then values of derivatives of G and Y with respect to pressure or temperature at the reference state of these three metals were determined. By analyzing the pressure and temperature dependence of shear modulus and yield strength, we conclude that the relations of Steinberg-Guinan constitutive model, Y/G=constant, are approximately correct on Hugoniot state for these materials. So this is a probable approach to solve the difficulty of measurement of Y under high-pressure and high-temperature directly.
    Type of Medium: Online Resource
    ISSN: 0217-9792 , 1793-6578
    URL: Article
    DOI: 10.1142/S0217979208046396
    RVK:
    UA 4381.B
    Language: English
    Publisher: World Scientific Pub Co Pte Ltd
    Publication Date: 2008
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    Online Resource
  • 3
    Online Resource
    Online Resource
    INFLUENCE OF ELECTROLYTIC PLASMA OXIDATION COATING ON TENSILE BEHAVIOR OF DIE-CAST AM50 ALLOY SUBJECTED TO SALT CORROSION
    World Scientific Pub Co Pte Ltd ; 2009
    In:  International Journal of Modern Physics B Vol. 23, No. 06n07 ( 2009-03-20), p. 960-965
    Details
    In: International Journal of Modern Physics B, World Scientific Pub Co Pte Ltd, Vol. 23, No. 06n07 ( 2009-03-20), p. 960-965
    Abstract: Three different thickness ceramic coatings were deposited on die-cast AM50 magnesium alloy in KOH and NaAlO 2 solution using electrolytic plasma oxidation (EPO) technology for corrosion prevention. Immersion corrosion tests were carried out in 3.5% NaCl solution for 336 hours to investigate the effect of coating thicknesses on tensile and fracture behaviors of the coated AM50 alloys. The results show that the yield strength (YS) and ultimate tensile strength (UTS) of the coated AM50 alloy subjected to immersion corrosion increase with an increase in coating thicknesses. Further analyses on stress and strain curves indicate that the coating enhances the strain-hardening rates of the corroded alloy during its plastic deformation. SEM examination on the fractured surface manifests that the substrate AM50 alloys exhibit characteristics of ductile deformation with deep dimples. However, brittle features prevail on the fractured surface of the mixed layer of coating plus oxidation corrosion product. Micro cracks were observed between the mixed layer and the AM50 alloy substrate induced by corrosion and within the mixed layer induced by EPO process, which could be responsible for the brittle fracture.
    Type of Medium: Online Resource
    ISSN: 0217-9792 , 1793-6578
    URL: Article
    DOI: 10.1142/S0217979209060300
    RVK:
    UA 4381.B
    Language: English
    Publisher: World Scientific Pub Co Pte Ltd
    Publication Date: 2009
    Location Call Number Limitation Availability
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    Online Resource
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