MATEC Web Conf.
Volume 144, 2018International Conference on Research in Mechanical Engineering Sciences (RiMES 2017)
|Number of page(s)||6|
|Section||Materials Science and Engineering|
|Published online||09 January 2018|
Study on fracture behaviour of Hybrid Aluminium Composite
Department of Mechanical, Siddaganga Institute of Technology, Tumakuru, India
2 Department of IEM, Siddaganga Institute of Technology, Tumakuru, India
* Corresponding author: email@example.com
This work makes an attempt to study of fracture behaviour of hybrid Composite reinforced with hard ceramic Boron carbide as primary phase and secondary phase as soft solid lubricant Molybdenum Disulphide with base matrix Al2219 by two stage stir casting method is incorporated. Compact tension type specimen was utilized for test and dimensions are conformity to ASTM E-647.Fatigue crack growth and fracture toughness test conducted as per ASTM Standard E-399 and E-1820. This study discloses that reinforcing the hard ceramic Boron Carbide of constant 3wt% and soft solid lubricant Molybdenum Disulphide with increasing wt% of 3%, 4%, 5% to Al2219, results increase in energy required to open the crack front to create two new crack surfaces during mode-I type failure and also significantly variation of fracture toughness. Surface of fractured specimens were study under scanning electron microscope and observes that pulled regions tiny dimples results in balance between ductility and strength of prepared hybrid composite.
Key words: Stir casting / Al2219 / Fracture Toughness
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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