EMAIL: PASSWORD:
Front Office
UPT. PERPUSTAKAAN
Institut Teknologi Sepuluh Nopember Surabaya


Kampus ITS Sukolilo - Surabaya 60111

Phone : 031-5921733 , 5923623
Fax : 031-5937774
E-mail : libits@its.ac.id
Website : http://library.its.ac.id

Support (Customer Service) :
timit_perpus@its.ac.id




Welcome..guys!

Have a problem with your access?
Please, contact our technical support below:
LIVE SUPPORT


Moh. Fandika Aqsa


Davi Wahyuni


Tondo Indra Nyata


Anis Wulandari


Ansi Aflacha




ITS » Paper and Presentation » Teknik Material
Posted by tondoindra@gmail.com at 29/10/2015 15:55:52  •  1021 Views


PENGARUH PENAMBAHAN YTTRIUM Y TERHADAP STRUKTUR MIKRO DAN SIFAT MEKANIK PADUAN MG-6ZN

EFFECTS OF YTTRIUM Y ADDITION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF Mg6Zn ALLOY

Author :
HUTASOIT, ADVENT H. ( 2710100091 )




ABSTRAK

Magnesium merupakan logam paling ringan densitas 1.80 grcm3. Dengan densitas paling rendah diantara semua logam Magnesium Mg telah membuka peluang baru pada pengembangan material ringan dimana sifat mekanik yang tinggi diperlukan dengan berat material yang rendah Magnesium-zinc dipadukan dengan yttrium dengan prosentase 0.5 1 1.5 3 dilebur didalam furnace. temperatur yang digunakan untuk melebur adalah 7400C dan waktu penahanan adalah 50 menit. logam cair didinginkan secara lambat dialam furnace hingga mencapai temperatur kamar. Hasil penelitian menunjukkan bahwa penambahan Yttrium meningkatkan. Nilai kekerasandan menurunkan thermal ekspansi paduan magnesium . Nilai kekerasan tertinggi terdapat pada paduan dengan 3 wtY yaitu 96.26 BHN sementara nilai nilai koefisien thermal ekspansi terendah terdapat pada paduan dengan 1.5wt Y yaitu 22.45 ppmC.peningkatan kekerasan ini dipercaya karena penghalusan butir dan timbulnya fasa fasa baru yang tersusun secara lamellar pada secondary phase.


ABSTRACT

Magnesium is the lightest metal density 1.80 grcm3. With the lowest density among all metals magnesium Mg has opened the new opportunities in the development of lightweight materials where high mechanical properties required by the low weight of the material. Magnesium-zinc were alloyed with variable 0. 5 1 1.5 and 3 wt of yytrium melted in the furnace. The alloy melted at 7200C held for 50 minutes and slowly cooled in the furnace until it reaches room temperature. The Result was showing that the addition of yttrium increased the hardness and decreased the thermal expansion of the alloys. The Highest hardness was obtained from 3 wt Y alloy by 96.26 BHN. Lowest thermal expansion was obtained from 1.5 wtY alloy by 22.45 ppmC. The high strengths of the alloys were thought due to the hardening by the grain refinement and the appearance of new phases structured in lamellar in the secondary phase.



Keywordsmagnesium, yttrium, magnesium-zinc, kekerasan,koefisien thermal ekspansi
 
Subject:  Magnesium
Contributor
  1. Sutarsis,S.T.,M.Sc.Eng.
Date Create: 29/10/2015
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-paper-27121150008024
Collection ID: 27121150008024
Call Number: RSMt 669.723 Hut p


Source
Paper and Presentation of Material And Material And Metalurgy Engineering RSMt 669.723 Hut p, 2015

Coverage
ITS Community

Rights
Copyright @2015 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




[ Download - Summary ]

ITS-paper-27121150008024-39280.pdf




 Similar Document...




! ATTENTION !

To facilitate the activation process, please fill out the member application form correctly and completely

Registration activation of our members will process up to max 24 hours (confirm by email). Please wait patiently

POLLING

Bagaimana pendapat Anda tentang layanan repository kami ?

Bagus Sekali
Baik
Biasa
Jelek
Mengecewakan





You are connected from 54.158.248.112
using CCBot/2.0 (http://commoncrawl.org/faq/)



Copyright © ITS Library 2006 - 2018 - All rights reserved.
Dublin Core Metadata Initiative and OpenArchives Compatible
Developed by Hassan