FPDP16 - Final Project Presentation - Dwi...
Transcript of FPDP16 - Final Project Presentation - Dwi...
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Karakterisasi Smart Material
Polyvinylidene Fluoride (PVDF)
sebagai Transduser Piezoelektrik
Oleh:
Dwi Prananto - 2405 100 035
Dosen Pembimbing:
Lizda Johar Mawarani, ST, MT. - 132 176 985
sebagai Transduser Piezoelektrik
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LATAR BELAKANG
• Dibutuhkannya material sensor yang bersifat
ringan, fleksibel, yields strain yang cukup tinggi,
cukup kuat menahan tumbukan yang keras serta
mudah dalam hal penanganannya (easy handling)
– Sports engineering, structural engineering, – Sports engineering, structural engineering,
mechanical engineering
• Kelemahan-kelemahan Piezomaterial berbasis
keramik – PZT, Barium Titanate
• Memahami karakter PVDF � Optimasi dan
desain sensor
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TUJUAN
• Mengetahui karakteristik smart material PVDF sebagai transduser piezoelektrik
� Elektro-mekanik dan pyro-elektrik
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• Mampu memberikan tanggapan terhadap
perubahan lingkungan dalam bentuk
perubahan yang signifikan terhadap satu atau
Smart Material
perubahan yang signifikan terhadap satu atau
lebih propertinya.
o Shape memory alloys, magnetostrictive materials,
electrorheological/magnetorheological fluids dan
PIEZOELECTRIC Materials
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PVDF
Polyvinylidene FluorideCC
H
F
F n
H
•Properti:
oElastik
oFleksibel
oHigh Impact
oChemically Inert
oEasy handling
( ( ( ( Polar ββββ-phase)
oHigh Impact
impedance
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Efek Piezoelektrik PVDF
F
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Efek Piezoelektrik
Sumbu
Pengutuban
(a) (b) (c)
(e) (f)(d)
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METODOLOGI
Material PVDF:
o 3 macam luasan: (2 x
0,7) cm2, (3,5 x 1,5) cm2,
dan (6,5 x 1,5) cm2dan (6,5 x 1,5) cm
o@ 2 ketebalan: 80 µµµµm
dan 110 µµµµm
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METODOLOGI
• Perlakuan I
o Perlakuan Lekuk (bend treatment)
• Perlakuan II
Proses karakterisasi
• Perlakuan II
o Perlakuan tumbuk (impact treatment)
• Perlakuan III
o Penerapan tegangan listrik
• Perlakuan IV
o Perlakuan terhadap sumber panas
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Perlakuan IV
• Eksperimen A
• Eksperimen B
• Eksperimen C
• Eksperimen DA
Sumber panas:
Tubuh manusia � λ = 8 – 14 µm
• Eksperimen D
CB D
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Sistem akuisisi data
Charge Charge
Amp.
PVDF Film
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HASIL DAN ANALISA
Perlakuan Io(2 x 0,7) cm2o 3,5 x 1,5 cm2o 6,5 x 1,5 cm2
80 µµµµm 110 µµµµm
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Perlakuan II
2 x 0,7 cm2 3,5 x 1,5 cm2
Perlakuan III
6,5 x 1,5 cm2
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Perlakuan IV
80 µµµµm 110 µµµµmEksperimen A
Eksperimen B
Arah 2 x 0,7 cm2 3,5 x 1,5 cm2 6,5 x 1,5 cm2
80 µm 110 µm 80 µm 110 µm 80 µm 110 µm
1 y = -4E-08x2
+ 8E-07x + 0,001
y = -6E-09x2
- 6E-08x + 0,001
y = 2E-08x2 -8E-07x +
0,001
y = -4E-08x2
+ 1E-06x + 0,001
y = 7E-09x2
+ 3E-07x + 0,001
y = 3E-08x2 -7E-07x +
0,001
2 y = 4E-08x2 -8E-07x +
y = -7E-11x2
+ 3E-07x + y = -3E-09x2
- 1E-07x + y = -2E-08x2
+ 4E-07x + y = -1E-09x2
+ 8E-07x + y = -7E-08x2
+ 1E-06x +
Eksperimen CEksperimen D
8E-07x + 0,001
+ 3E-07x + 0,001
- 1E-07x + 0,001
+ 4E-07x + 0,001
+ 8E-07x + 0,001
+ 1E-06x + 0,001
3 y = -5E-08x2
+ 1E-06x + 0,001
y = -2E-08x2
+ 5E-07x + 0,001
y = -1E-07x2
+ 2E-06x + 0,001
y = -5E-08x2
+ 9E-07x + 0,001
y = -5E-08x2
+ 1E-06x + 0,001
y = -1E-07x2
+ 4E-06x + 0,001
4 y = -5E-08x2
+ 7E-07x + 0,001
y = -5E-08x2
+ 1E-06x + 0,001
y = 5E-08x2 -1E-06x +
0,001
y = -3E-08x2
+ 1E-06x + 0,001
y = -1E-07x2
+ 1E-06x + 0,001
y = -2E-08x2
+ 6E-08x + 0,001
5 y = 5E-08x2 -7E-07x +
0,001
y = 4E-08x2 -5E-07x +
0,001
y = 2E-07x2 -5E-06x +
0,001
y = 9E-08x2 -1E-06x +
0,001
y = 1E-08x2
+ 2E-06x + 0,001
y = 6E-08x2 -3E-06x +
0,001 80 µµµµm 110 µµµµm80 µµµµm 110 µµµµm
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Kesimpulan
• PVDF film dengan ketebalan 80 µm memberikan respon yang baik terhadap pelekukan atau peregangan, terutama ke arah dimana elektroda negatif menghadap.
• PVDF film dengan ketebalan 110 µm dan luasan yang lebih besar memberikan respon yang lebih baik terhadap perlakuan tumbukan.
• Penerapan tegangan listrik pada PVDF film memberikan hasil yang linier dengan defleksi sebesar 1 mm setiap 100 volt DC.linier dengan defleksi sebesar 1 mm setiap 100 volt DC.
• PVDF film memiliki respon dan sensitivitas yang cukup baik terhadap sumber panas berupa tubuh manusia yang bergerak dan meniliki respon yang kurang baik terhadap sumber panas yang konstan. PVDF film dengan ketebalan 80 µm memiliki respon dan sensitivitas yang lebih baik terhadap sumber panas yang bergerak dan PVDF dengan luas penampang yang besar (6,5 x 1,5 cm2) memiliki sensitivitas yang paling rendah diantara ketiga macam luasan.
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TERIMA KASIHTERIMA KASIHTERIMA KASIHTERIMA KASIH
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Characterization
• Character: all those qualities that make a thing different from others.
• Characterize (pencirian): to investigate and show the character of a material.show the character of a material.
• Characterization: the activities of characterizing.
(Dr. Jingshen WU, Dept. of Mechanical Engineeering, The Hongkong University of Science and Technology)
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Characterization
• Characterization, when used in materials
science, refers to the use of external
techniques to probe into the internal structure
and properties of a material. Characterization and properties of a material. Characterization
can take the form of actual materials testing,
or analysis, for example in some form of
microscope. (Wikipedia)
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Characterization
Characterization describes those feature of
the composition and structure (including
defect) of material that are significant for
particular preparation, study of properties, or particular preparation, study of properties, or
use, and suffice reproduction of material.
(Materials Advisory Board,National Academy of
Sciences)
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( ( ( ( Polar ββββ-phase)
((((Unpolar αααα-phase)
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Charge Amplifier
Time Constant
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Charge Amplifier
τ= 4,7 detik
fc = 0,034 Hz
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• Eksperimen A
Ketebalan Luas Permukaan
2 x 0,7 cm2 3,5 x 1,5 cm2 6,5 x 1,5 cm2
80 µm y = 2E-08x2 -3E-06x + 0,001
y = 2E-08x2 - 2E-06x + 0,001
y = 2E-08x2 - 2E-06x + 0,001
• Eksperimen C
110 µm y = 1E-08x2 -1E-06x + 0,001
y = 2E-08x2 - 2E-06x + 0,001
y = 1E-08x2 - 1E-06x + 0,001
Jalur Ketebalan
80 µm 110 µm
1 y = 3E-06x2 - 6E-05x + 0,001
y = 3E-07x2 - 6E-06x + 0,001
2 y = 2E-07x2 - 6E-06x + 0,001
y = 8E-08x2 - 3E-06x + 0,001
3 y = 1E-07x2 - 6E-06x + 0,001
y = 1E-09x2 - 3E-07x + 0,001
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• Eksperimen D
Jalur Ketebalan
80 µm 110 µm
1 y = 1E-06x2 - 2E- y = 2E-06x2 - 2E-1 y = 1E-06x2 - 2E-05x + 0,001
y = 2E-06x2 - 2E-05x + 0,001
2 y = 6E-07x2 - 2E-05x + 0,001
y = 1E-06x2 - 6E-06x + 0,001
3 y = -2E-07x2 - 8E-06x + 0,001
y = 7E-07x2 + 3E-07x + 0,001
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PCSC data Acquisition
[5] Nacapricha, D., Amornthammarong, N., Sereenonchai, K., Anujarawat, P., Wilairat, P. “Low cost telemetry with PC Sound Card for Chemical Analysis Applications,” Flow Innovation-Research for Science and Technology Laboratory (FIRST Laboratory), Department of Chemistry, Faculty of Science, Mahidol University, Bangkok, Thailand, June 2006.
[6] Chandra, S. dan Ismail, Abu Bakar Md., “PC Sound Card-Based Simple Instrument for the Potentiometric Sensors,” Sensors and Actuators A 154 (2009) 65–68, November 2008.(2009) 65–68, November 2008.
[7] Mandaji, M., Buckup, T., Rech, R., Correia, R. R. B., Kist, T. L., “Performance of a Sound Card as Data Acquisition System and a Lock-in Emulated by Software in Capillary Electrophoresis,” Talanta 71 (2007) 1998–2002, October 2006.
[8] Bansal, D., Khan, M., Salhan, A. K., “A Computer Based Wireless System for Online Acquisition, Monitoring and Digital Processing of ECG wave,” Computers in Biology and Medicine 39 (2009) 361 – 367, January 2009.
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Kecil 80 mikron
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Kecil 110 mikron
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Sedang 80 mikron
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Sedang 110 mikron
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Besar 80 mikron
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Besar 110 mikron