Download 22nd Annual Conference on Composites, Advanced Ceramics, by Don E Bray; American Ceramic Society.; Wiley InterScience PDF

By Don E Bray; American Ceramic Society.; Wiley InterScience (Online service)

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Read or Download 22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures A[-B] : January 20-24, 1998, Cocoa Beach, Florida PDF

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Extra resources for 22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures A[-B] : January 20-24, 1998, Cocoa Beach, Florida

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Fig. 4 (a) AFM topography image of a single line fabricated by TNL with a normal force of 400µN and (b) after etching in 25% HF for 20min. H2-H1 means the thickness of damaged layer. All images recorded at a scan rate of 1Hz with conventional Si3N4 cantilever for measuring. Dongming Guo, Jun Wang, Zhenyuan Jia, Renke Kang, Hang Gao, and Xuyue Wang 33 Figure 4 illustrates the AFM topography image of a single line fabricated by TNL with a normal force of 400µN (a) and AFM image after etching in 25% HF for 20min (b) to find out the geometrical distribution of damaged layer.

By changing of worktable feed rate, wokpiece rotational speed, and stock removal, and repeated above procedure, the workpiece roundness for different processing conditions were obtained. Experimental Results and Discussion. Figs. 033mm/s. 84µm. 7 Final roundness vs. Vp-p, δ , Vf The roundness obtained for different amplitudes of voltage Vp-p applied to the PZT, stock removals δ and worktable feed rates Vf are shown in Figs. 7(a), (b) and (c), respectively. It can be seen 22 Advances in Materials Manufacturing Science and Technology XIII Volume I from Fig.

Xu2,e and W. cn Keywords: Elliptical ultrasonic vibration, Grinding, Sapphire, Grinding force, Roughness Abstract. This paper discusses the feasibility of improving machining efficiency of sapphire substrate by using two-dimensional (2D) ultrasonic vibration assisted grinding. An elliptic ultrasonic vibrator is designed and produced by bonding a piezoelectric ceramic device (PZT) on a metal elastic body (stainless steel, SUS304). The sapphire substrate is fixed onto the top face of the vibrator and ultrasonically vibrates in 2D vibration mode when the PZT is excited by two alternating current voltages with a phase difference.

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