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  • 1
    Electronic Resource
    Electronic Resource
    Precision Grinding of High Chromium Steels Using Metal Bonded CBN Wheel (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 24-25 (Sept. 2007), p. 171-176 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In this study, the influences of carbides and alloy additives on ground surfacecharacteristics of several high Chromium (Cr) steels and abrasive grains of working surface werediscussed. In the grinding using metal bonded CBN wheel, almost constant values in groundsurface roughness and high grinding ratio were shown. 5% Cr steel with Vanadium, 8% Cr steeland 10% Cr steel showed a rougher surface than Cr steels with 3%, 4% and 5% due to the carbideinclusion. The grinding ratio of 5%Cr steel could be raised considerably by adding sulfur to it
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.24-25.171.pdf
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Precision Grinding and Slicing of Glass-Like-Carbon (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 24-25 (Sept. 2007), p. 65-70 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: High density and isotropic poreless structure of Glass-like-carbon makes it practicallyused for fuel cells of space-shuttles and hard disk substrate etc. Glass-like-carbon is one of the newmaterials which attract attention, but it is so hard and brittle that precise machining of this materialis difficult. Surface grinding and slicing were performed to collect the fundamental data of precisemachining. The main results obtained in this study are as follows. (1) The transition from brittlemode to ductile mode in surface grinding occurs at a grain mesh size between #5000 and #3000.(2) The maximum grain depth of cut ‘dg’ necessary for ductile mode grinding is 0.021-0.006 mm orless. (3) When it is being sliced, the kerf width of the #1000 grinding wheel becomes wider thanthat of the #2000 grinding wheel because of the fact that the material removal capability of the#1000 grinding wheel is bigger than that of the #2000 grinding wheel. (4) It is extremely effectiveto use the fine grinding wheel, since the Young's modulus of glass-like-carbon is considerably lowand eventually causes compression transformation
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.24-25.65.pdf
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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