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  • 1
    Electronic Resource
    Electronic Resource
    Structural and mechanical properties of (B0.5−xSix)N0.5 films synthesized by dual-ion-beam deposition (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 3501-3503 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The structural and mechanical properties of ion-beam deposited (B0.5−xSix)N0.5 films (0≤x≤0.5) were characterized by x-ray photoelectron spectroscopy, infrared absorption experiments, and nanoindentation tests. A single-layer BN film (x=0) has 70 vol. % in cubic phase (c-BN), and a hardness of 38 GPa. However, it peeled off very soon after deposition due to the high internal stress. If a buffer layer was deposited first, followed by a (B0.5−xSix)N0.5 film with x≈0.013, the whole configuration adhered very firmly to both quartz and silicon substrates. This improvement in adhesion was probably due to the formation of Si–N bonds, which served to release partly the stress inside the (B0.5−xSix)N0.5 films. Since the Si content was low, the film structure remained highly cubic, and there was no observable drop in hardness. For higher x, the cubic structure in (B0.5−xSix)N0.5 films disappeared rapidly and was replaced by a hexagonal structure. This structural change led to a rapid drop in hardness from 38 to 12 GPa. As x was further increased, more Si–N bonds were formed in the (B0.5−xSix)N0.5 layers. As a result, the hardness increased from the minimum value to a value ≈24 GPa. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117225
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A study of stereolithography file errors and repair. Part 2. Special cases (1996)
    Springer
    The international journal of advanced manufacturing technology 12 (1996), S. 415-422 
    Details
    ISSN: 1433-3015
    Keywords: Computer-aided design and computer-aided manufacturing (CAD/CAM) ; Rapid prototyping ; Stereolithography files
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The most commonly used input to a rapid prototyping (RP) system is thede facto stereolithography file (STL). Several problems plague these STL files owing to the very nature of STL files and the non-robustness of commercial CAD system model tessellators. The consequences of not correcting these errors are detrimental to the creation of the intended prototype. These are highlighted in the paper. In Part 1 of two papers, a description of all STL-files-related errors is given. The paper also proposes a generic solution to solve one of the major problems in the proper creation of a prototype, that is, the problem of missing facets. Part 2 deals with special cases of errors associated with the STL files. The performance evaluation of the proposed solution is also given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186930
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A study of stereolithography file errors and repair. Part 1. Generic solution (1996)
    Springer
    The international journal of advanced manufacturing technology 12 (1996), S. 407-414 
    Details
    ISSN: 1433-3015
    Keywords: Computer-aided design and computer-aided manufacturing (CAD/CAM) ; Rapid prototyping ; Stereolithography files
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The most commonly used input to a rapid prototyping (RP) system is thede facto stereolithography file (STL). Several problems plague these STL files owing to the very nature of STL files and the non-robustness of commercial CAD system model tessellators. The consequences of not correcting these errors are detrimental to the creation of the intended prototype. These are highlighted in the paper. In Part 1 of two papers, a description of all STL-files-related errors is given. The paper also proposed a generic solution to solve one of the major problems in the proper creation of a prototype, that is, the problem of missing facets. Part 2 deals with special cases of errors associated with the STL files. The performance evaluation of the proposed solution is also given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01186929
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Structure of ion-beam-deposited B--C--N--O films and the role of oxygen (1997)
    Springer
    Journal of materials science 16 (1997), S. 1910-1913 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018530515944
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    Paper (German National Licenses)
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