Ditemukan 101 dokumen yang sesuai dengan query
Correlation between silicon content and in-steam corrosion rate of Zr 1.5WT%-Si Ingot. Silicon is normally added in a small amount to a Zr - alloy to improve its corrosion resistance without having to sacrifice its neutronic property. An excessive amount of silicon addition is known to have caused faster corrosion...
Artikel Jurnal Universitas Indonesia Library
Phase trnasformation temperature of shape memory alloy - Tini produced by arc - melting technique. The observation of phase trnasformation temperature of Tini alloys produced by arc - melting technique was carried out by alloying Ti - 53%w Ni. Tini alloys were tempered at 900oC and then followed by ...
Artikel Jurnal Universitas Indonesia Library
Influence of Zr element at U-Zr alloys and it interaction with the Al metal to phase forming. Have been done research of Zr element addition influence at U-Zr alloys and its interaction with the composition of 2,6,10,14 and 55% w Zr respectively are added by Al metal with ...
Artikel Jurnal Universitas Indonesia Library
Microstructure observation, chemical composition and hardness of Al-6061 alloy welding result. The microstructure observation, chemical composition and hardness of Al-6061 alloy welding result has been done. Two Al6061 alloy plates were welded by usingGTAW and the Al-4043 alloy as filler.....
Artikel Jurnal Universitas Indonesia Library
Bambang Suharno, author
In manufacturing of component of automotive with use aluminum material, fluidity factor of aluminum liquid play a part important at moulding process with gravity and or die casting. Low fluidity liquid aluminum represent one of the factor causing to be formed affect / reject for example gas of porosity, shrinkage,...
Depok: Fakultas Teknik Universitas Indonesia, 2006
JUTE-20-4-Des2006-271
Artikel Jurnal Universitas Indonesia Library
The present work observed the evolution of microstructure in an Al-4Cu-0.3Mg-0.5Cd (wt. %) alloy
aged at 200 °?C. The precipitation sequence in this alloy was found to be dominated by the binary Al-Cu
alloy classical transformation, ie: GP zones -> 0" -> 0' -> ) Analytical transmission electron microscope
revealed that elemental Cd...
Jurnal Teknologi, Vol.15 (2) Juni 2001 : 214-221, 2001
JUTE-15-2-Jun2001-214
Artikel Jurnal Universitas Indonesia Library
Mutia Saraswati, author
Increasing the concentration of CO2 in the atmosfer had caused main environmental problem recently. Some methods has been applied for reducing concentration of CO2 in the atmosphere. One of them is using electroreduction for convertion of CO2 into another chemical compound. Primary key of this electroreduction is using the right...
Depok: Universitas Indonesia, 2014
S53196
UI - Skripsi (Membership) Universitas Indonesia Library
Anugrah Azhar, author
ABSTRAK
Heusler alloys telah diketahui sejak satu abad silam, dan prediksi-prediksi nilai momen magnetnya menggunakan aturan Slater-Pauling telah sukses untuk banyak material. Walaupun demikian, perhitungan sederhana ini tidak selalu berhasil untuk semua Heusler Alloy. Sebagai contoh, Fe2CuAl diketahui memiliki momen magnet sebesar 3.30 B per formula unit walaupun prediksi aturan Slater-Pauling...
2017
T47939
UI - Tesis (Membership) Universitas Indonesia Library
Sugiyanto, author
ABSTRAK
Kami mengkaji paduan Half-Heusler NiMnSb dalam struktur kristal C1b dari aspek teori kemagnetannya. Kami melakukan perhitungan numerik pada sistem ini dengan metode Hamiltonian suku kinetik pendekatan tight-binding dan interaksi berbasis mean-field theory. Dari hasil perhitungan, sistem paduan NiMnSb menunjukkan karakter metal pada saat U J < 2.5 eV dan karakter...
2017
T48150
UI - Tesis (Membership) Universitas Indonesia Library
Djoko Triyono, author
ABSTRAK
Studi sifat kemagnetan dan analisis kinetika alloy magnetic berbasis Nd-(Fe,Co)-B telah dilakukan. Ingot dan pita-pita alloy magnetic Nd10(Fel-xCox)14B6 (at %) dengan komposisi x = 0 ; 0.1; 0.2 ; dan 0.5 dibuat masing-masing dengan arc melting furnace dan Teknik melt spinning dengan kecepatan substrat 30 m s pita-pita sampel kemudial...
Depok: Universitas Indonesia, 1998
T-Pdf
UI - Tesis (Membership) Universitas Indonesia Library
