Removal Characteristics of Sapphire Lapping using Composite Plates with Consciously Patterned Resinoid-Bonded Semifixed Diamond Grits
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چکیده
منابع مشابه
An Investigation on Two Types of Crystalline Micro-diamond Film Coated Tools Lapping with Sapphire Wafer
Two types of micron-diamond films were prepared on YG6 substrate by hot filament chemical vapor deposition(HFCVD) method. Morphology and orientation of crystalline growth were evaluated by SEM and XRD. Diamond film coated tools and sapphire wafer’ surface before and after lapping experiment were contrasted. The results indicated that a significant change in Raman spectrum of two types of micro...
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در سال های اخیر، تقاضای استفاده از تئوری خطی ویسکوالاستیسیته بیشتر شده است. با افزایش استفاده از کامپوزیت های پیشرفته در صنایع هوایی و همچنین استفاده روزافزون از مواد پلیمری، اهمیت روش های دقیق طراحی و تحلیل چنین ساختارهایی بیشتر شده است. این مواد جدید از خودشان رفتارهای مکانیکی ارائه می دهند که با تئوری های الاستیسیته و ویسکوزیته، نمی توان آن ها را توصیف کرد. این مواد، خواص ویسکوالاستیک دارند....
Bending Analysis of Laminated Composite Plates with Arbitrary Boundary Conditions
It is well known that for laminated composite plates a Levy-type solution exists only for cross-ply and antisymmetric angle-ply laminates. Numerous investigators have used the Levy method to solve the governing equations of various equivalent single-layer plate theories. It is the intension of the present study to introduce a method for analytical solutions of laminated composite plates with ar...
متن کاملDoping Behavior of (112̄2)-GaN Grown on Patterned Sapphire Substrates
We present results of the investigation on the doping behavior of planar semipolar (112̄2)oriented GaN grown on (101̄2) patterned sapphire substrates mainly focusing on the magnesium incorporation. We observed that Mg is incorporated with much lower efficiency into the (112̄2) plane as compared to polar c-plane GaN. This problem could be decreased by varying the growth temperature. On the one hand...
متن کاملNear-field plates: subdiffraction focusing with patterned surfaces.
Using a patterned, grating-like plate to control the electromagnetic near field, we demonstrate focusing well beyond the diffraction limit at approximately 1 gigahertz. The near-field plate consists of only capacitive elements and focuses microwaves emanating from a cylindrical source to a spot of size approximately lambda/20 (half-power beamwidth), where lambda is the free-space wavelength. Th...
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ژورنال
عنوان ژورنال: Crystals
سال: 2020
ISSN: 2073-4352
DOI: 10.3390/cryst10040293