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  • Trans Tech Publications, Ltd.  (6)
  • 2005-2009  (6)
Material
Publisher
  • Trans Tech Publications, Ltd.  (6)
Person/Organisation
Language
Years
  • 2005-2009  (6)
Year
  • 1
    Online Resource
    Online Resource
    Self-Organized High Aspect Ratios Titanium Oxide Nanotube Arrays Prepared by Anodization
    Trans Tech Publications, Ltd. ; 2008
    In:  Key Engineering Materials Vol. 368-372 ( 2008-2), p. 529-531
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 368-372 ( 2008-2), p. 529-531
    Abstract: The self-organized nanotube arrays were fabricated in glycerol electrolyte containing different additives, such as deionized water or ethylene glycol. The effects of anodization conditions, including anodic voltage, electrolyte viscosity, additives and ion concentration on the pores size and morphology were studied. Combined with preoxidation process, high aspect ratio titania nanotube arrays were formed rapidly in glycerol and saturated NaF solutions at 60 V for 1 h. SEM observation showed that a film with the thickness of about 10μm was obtained. A possible mechanism of the nanotubes growth was presented.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.368-372
    DOI: 10.4028/www.scientific.net/KEM.368-372.529
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2008
    detail.hit.zdb_id: 2073306-9
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Research on the Hot Precision Processing of TiAl Alloys
    Trans Tech Publications, Ltd. ; 2009
    In:  Materials Science Forum Vol. 620-622 ( 2009-4), p. 407-412
    Details
    In: Materials Science Forum, Trans Tech Publications, Ltd., Vol. 620-622 ( 2009-4), p. 407-412
    Abstract: γ-TiAl components due to their unique properties are on the verge of industrial application for increasing operation temperature and improving energy efficiency, especially in aerospace and automobile areas. This paper describes the recent developments of hot precision processing in ingot metallurgy technology including investment casting, canned forging and sheet rolling of TiAl alloys. Alloys development and the melting technology were discussed. Investment casting of TiAl alloys has been successfully developed to manufacture net-shape components. Research aimed at producing TiAl sheets through canned forging and rolling is introduced.
    Type of Medium: Online Resource
    ISSN: 1662-9752
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/MSF.620-622
    DOI: 10.4028/www.scientific.net/MSF.620-622.407
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2009
    detail.hit.zdb_id: 2047372-2
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Scattering of SH-Waves and Dynamic Stress Intensity Factor by an Interacting Mode III Crack and a Lining Structure in Half Space
    Trans Tech Publications, Ltd. ; 2008
    In:  Key Engineering Materials Vol. 385-387 ( 2008-7), p. 273-276
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 385-387 ( 2008-7), p. 273-276
    Abstract: Scattering of SH wave by an elastic half space with a lining structure and a crack in any position and direction is studied with Green’s function, complex function and multi-polar coordinate method. First, a suitable Green’s function is constructed, which is a fundamental solution to the displacement field for the elastic space possessing circular lining structure while bearing out-of-plane harmonic line source load at arbitrary point. Then a crack in any position and direction is constructed by means of crack-division in half space. Finally the displacement field and stress field are established in the case of coexistence of circular lining structure and crack, and the expression of dynamic stress intensity factor (DSIF) at the tip of crack is given. According to numerical examples, the influences of different parameters on DSIF are discussed.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.385-387
    DOI: 10.4028/www.scientific.net/KEM.385-387.273
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2008
    detail.hit.zdb_id: 2073306-9
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    Online Resource
  • 4
    Online Resource
    Online Resource
    The Dynamic Response of Circular Lining Structure and Multiple Cracks in Half Space under Impact Loading
    Trans Tech Publications, Ltd. ; 2009
    In:  Key Engineering Materials Vol. 417-418 ( 2009-10), p. 713-716
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 417-418 ( 2009-10), p. 713-716
    Abstract: The dynamic response of a circular lining structure and multiple cracks in an elastic half space while bearing impact loading is studied in this paper. This problem can be seen as the problem of defending of blast. The methods of Green's function, complex function and multi-polar coordinates are used here. First, the scattering wave which satisfies the condition of stress free on the ground surface of half-space containing a shallow-embedded circular lining structure impacted by incident SH-wave is constructed based on the symmetry of SH-wave scattering and the method of multi-polar coordinates system. Then a crack or multiple cracks in any position and direction can be constructed by Green's function and means of crack-division in half space. Finally the displacement field and stress field are established in the case of coexistence of circular lining structure and cracks, and the expression of dynamic stress intensity factor (DSIF) at the tip of crack is given. The interaction of inclusion and two cracks is chosen as numerical examples finally. According to nu-merical examples, the influences of different parameters on DSIF are discussed.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.417-418
    DOI: 10.4028/www.scientific.net/KEM.417-418.713
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2009
    detail.hit.zdb_id: 2073306-9
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    Online Resource
  • 5
    Online Resource
    Online Resource
    Slow Strain Rate Tensile Testing for Evaluating Stress Corrosion Cracking of Type-40Cr Steel in the Acidic Chloride Solution
    Trans Tech Publications, Ltd. ; 2007
    In:  Key Engineering Materials Vol. 348-349 ( 2007-9), p. 877-880
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 348-349 ( 2007-9), p. 877-880
    Abstract: This paper investigates application of slow strain rate tensile (SSRT) testing as a laboratory method to characterize stress corrosion cracking (SCC) susceptibility of type 40Cr steel in the acidic chloride solution. SSRT testing was carried out at room temperature in acidic chloride solution and seawater at different strain rates (3.82×10-7 to 1.41×10-6 s-1)，respectively. The results show that the type 40Cr steel is susceptible to stress corrosion cracking in a certain strain rates (around 1.41×10-6 s-1) in the acidic chloride solution. In tests performed at this strain rate (1.41×10-6 s-1), while the specimens are not susceptible to SCC in seawater. Typical intergranular attack is seen on the fracture surface of the former that had failed due to SCC, and the latter had underwent considerable necking before fracture, also represented by high reduction of area (RoA) and fractographic feature of dimples consistent with ductile failure. Additionally, the results are consistent with the data of electrochemical noise (EN) that is generated of type 40Cr steel exposed to the acidic chloride solution and seawater. This study also supports SSRT and EN technique as an effective testing technique for SCC studies.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.348-349
    DOI: 10.4028/www.scientific.net/KEM.348-349.877
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2007
    detail.hit.zdb_id: 2073306-9
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    Online Resource
  • 6
    Online Resource
    Online Resource
    Preparation of Glass-Alumina Functionally Gradient Materials by Rapid Prototyping Technology
    Trans Tech Publications, Ltd. ; 2008
    In:  Key Engineering Materials Vol. 368-372 ( 2008-2), p. 1828-1830
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 368-372 ( 2008-2), p. 1828-1830
    Abstract: A novel rapid prototyping manufacturing technology for glass-alumina functionally gradient materials (G-A FGMs) based on the quick solidification of wax was proposed. The feature of the technology came from its layer-by-layer fabrication of the wax-glass/alumina composite layer carved in accordance with the shape of each layer of the computer designed model and in situ casting of wax into the carved area. Removal of the wax in the G-A FGMs green body was investigated based on differential scanning calorimetry (DSC) analysis. Sintering properties of the G-A FGMs were discussed. Bending strength of the G-A FGMs was measured by a three-point flexural test. Microstructures of the prepared G-A FGMs were observed using environmental scanning electron microscope (ESEM) and the compositional distribution was determined according to energy dispersive spectrum (EDS). Samples were preliminarily and respectively held at 200°C and 300°C for a long time based on the DSC analysis. The range of the optimal sintering temperature is determined to be from 710°C to 720°C and the holding time is 30min. With the increasing alumina content, the bending strength increases and the maximum bending strength is 67.5MPa. There is no delamination of the G-A FGMs via ESEM. Homogeneous distribution of the ingredient materials is confirmed through EDS.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.368-372
    DOI: 10.4028/www.scientific.net/KEM.368-372.1828
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2008
    detail.hit.zdb_id: 2073306-9
    Location Call Number Limitation Availability
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    Online Resource
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