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Determination of plane strain fracture toughness for AZ61 Magnesium alloy

Organized by School of Materials Engineering & Sustainable Engineering Research Cluster, 1st - 2nd December 2009 at Putra Brasmana Hotel, Kuala Perlis, Perlis.

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Bibliographic Details
Main Authors: M. A. M., Daud, Mohd. Zaidi, Omar, Syarif Junaidi, S Djalil, Zainuddin, Sajuri
Other Authors: ahadlin@eng.ukm.my
Format: Working Paper
Language:English
Published: Universiti Malaysia Perlis 2010
Subjects:
Stress intensity factor
Fracture toughness
Thickness
Shear lips
Magnesium alloys
Alloys
Strains and stresses
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/7514
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spelling my.unimap-75142010-01-18T14:27:02Z Determination of plane strain fracture toughness for AZ61 Magnesium alloy M. A. M., Daud Mohd. Zaidi, Omar Syarif Junaidi, S Djalil Zainuddin, Sajuri ahadlin@eng.ukm.my Stress intensity factor Fracture toughness Thickness Shear lips Magnesium alloys Alloys Strains and stresses Organized by School of Materials Engineering & Sustainable Engineering Research Cluster, 1st - 2nd December 2009 at Putra Brasmana Hotel, Kuala Perlis, Perlis. A stress intensity factor K was used as a fracture parameter to determine the true material property, i.e. plane strain fracture toughness KIC of AZ61 magnesium alloy using a single edge notch bend (SENB) specimen in accordance to ASTM E399 testing method. Five different specimen thicknesses of 2 to 10 mm were used in the test. A sharp fatigue pre-crack was initiated and propagated to half of specimen width at a constant crack propagation rate of about 1 x 10-8 m/cycle before the specimen was loaded in tension until the fracture stress is reached and then rapid fracture occurred. The fracture toughness KC values obtained for different thicknesses showed that KC value decreased with increasing specimen thickness. The highest KC value obtained was 16.5 MPa√m for 2 mm thickness specimen. The value of KC became relatively constant at about 13 MPa√m when the specimen thickness exceeds 8 mm. This value was then considered as the plane strain fracture toughness KIC of AZ61 magnesium alloy. Calculation of the minimum thickness requirement for plane strain condition and the size of the shear lips of the fracture surface validate the obtained KIC value. 2010-01-18T14:26:19Z 2010-01-18T14:26:19Z 2009-12-01 Working Paper p.1-5 http://hdl.handle.net/123456789/7514 en Proceedings of the Malaysian Metallurgical Conference '09 (MMC'09) Universiti Malaysia Perlis
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Stress intensity factor
Fracture toughness
Thickness
Shear lips
Magnesium alloys
Alloys
Strains and stresses
spellingShingle Stress intensity factor
Fracture toughness
Thickness
Shear lips
Magnesium alloys
Alloys
Strains and stresses
M. A. M., Daud
Mohd. Zaidi, Omar
Syarif Junaidi, S Djalil
Zainuddin, Sajuri
Determination of plane strain fracture toughness for AZ61 Magnesium alloy
description Organized by School of Materials Engineering & Sustainable Engineering Research Cluster, 1st - 2nd December 2009 at Putra Brasmana Hotel, Kuala Perlis, Perlis.
author2 ahadlin@eng.ukm.my
author_facet ahadlin@eng.ukm.my
M. A. M., Daud
Mohd. Zaidi, Omar
Syarif Junaidi, S Djalil
Zainuddin, Sajuri
format Working Paper
author M. A. M., Daud
Mohd. Zaidi, Omar
Syarif Junaidi, S Djalil
Zainuddin, Sajuri
author_sort M. A. M., Daud
title Determination of plane strain fracture toughness for AZ61 Magnesium alloy
title_short Determination of plane strain fracture toughness for AZ61 Magnesium alloy
title_full Determination of plane strain fracture toughness for AZ61 Magnesium alloy
title_fullStr Determination of plane strain fracture toughness for AZ61 Magnesium alloy
title_full_unstemmed Determination of plane strain fracture toughness for AZ61 Magnesium alloy
title_sort determination of plane strain fracture toughness for az61 magnesium alloy
publisher Universiti Malaysia Perlis
publishDate 2010
url http://dspace.unimap.edu.my/xmlui/handle/123456789/7514
_version_ 1643788848561389568
score 13.214268

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