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ITS » Undergraduate Theses » Teknik Material Posted by dee@its.ac.id at 18/01/2012 13:44:05 • 38 Views
PENGARUH PRESENTASI BERAT BARIUM HEKSAFERRITE (BAFE12O19) DAN KETEBALAN LAPISAN TERHADAP REFLECTION LOSS PADA KOMPOSIT RADAR ABSORBENT MATERIAL (RAM)
THE EFFECT PERCENT WEIGHT OF BARIUM HEKSAFERRITE (BaFe12O19) AND THICKNESS OF THE LAYER IN REFLECTION LOSS FOR RADAR ABSORBENT MATERIAL (RAM)
Created by :
RINATA, ADELIA ( 2707100028 )
| Subject: | Barium | | Alt. Subject : | Barium | | Keyword: | Barium Heksaferrite Radar Absorbent Material (RAM) polyethylene therepthelate (PET) Komposit RAM Reflection loss |
[ Description ]
M-type Barium Heksaferrite (BaFe12O19) yang disintesis dengan metode kopresipitasi digunakan sebagai filler dalam Radar Absorbent Material (RAM) dengan matriksnya adalah polyethylene therepthelate (PET). Spesimen hasil percampuran antara Barium Heksaferrite dan PET dengan variasi presentase komposisi berat yaitu 10%wt, 20%wt, dan 30%wt dari Barium Heksaferrite dikompositkan dengan menggunakan metode dallenbach layer dengan variasi ketebalan 2 mm, 4 mm, dan 6 mm. Komposit RAM kemudian diuji dengan mengunakan pengujian Vektor Network Analyzer (VNA) dengan metode Waveguide dengan frekuensi X-band (8-12 GHz) hingga didapatkan nilai reflection lossnya. Hasil pengujian VNA menunjukan nilai reflection loss terbesar adalah sampel dengan 30%wt dan ketebalan 6 mm yaitu sebesar -13,507 dB. Nilai reflection loss akan meningkat seiring dengan meningkatnya presentase berat Barium Heksaferrite dan ketebalan komposit RAM.
Alt. Description
M-type Barium Heksaferrite (BaFe12O19) were synthesized by co-precipitation method was used as filler in Radar Absorbent Material (RAM) with the matrix of therepthalate polyethylene (PET). Specimens in the result of a mixture between barium Heksaferrite and PET with variations of weight percentage composition of 10 %wt, 20%wt, and 30 wt% of barium Heksaferrite were made to a composite using dallenbach layer with thickness variation of 2 mm, 4 mm and 6 mm. The RAM Composite then tested using the test vector Network Analyzer (VNA) with a waveguide method with X-band frequencies of (8-12 GHz) to obtain the reflection loss value. VNA Test results showed the largest value of reflection loss is a sample with 30 wt% and a thickness of 6 mm that is equal to -13.507 dB. The reflection loss values will increase as the increasing of the weight percentage and the thickness of the Barium Heksaferrite RAM composite.
| Contributor | : |
- Dr. Widyastuti, S.Si., M.Si
- Hariyati Purwaningsih, S.Si, M.Si
| | Date Create | : | 27/07/2011 | | Type | : | Text | | Format | : | pdf | | Language | : | Indonesian | | Identifier | : | ITS-Undergraduate-3100011045141 | | Collection ID | : | 3100011045141 | | Call Number | : | RSMt 669.725 Rin p |
Source : Undergraduate Thesis of Material and Metallurgy Engineering, RSMt 669.725 Rin p, 2011
Coverage : ITS Community
Rights : Copyright @2011 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library
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