Experimental Investigation of the Wear Behaviour of Excavator Bucket Teeth by Hardfacing Technique ijtsrd
An excavator bucket is a connecting part for heavy equipment machinery which is designed and manufactured to be used for work in site excavation, mining and construction sites. Wear associated failure of machinery components number as one of the chief reasons for unproductive working of machines in a diversity of engineering applications. Associated with wear resistant applications in the field, in the last decade hardfacing become an issue of extreme development. Hardfacing is the method of welding consumable electrode having high wear resistance on the bucket teeth. Using DC arc welding process layers of hardfaced material is deposited on the bare bucket teeth. Field trail was conducted for 10 hours in the field. Weight measurement was done before installing bucket teeth on JCB and after the field trail. The difference in weight is analyzed to measure the wear rate of hardfacing material i.e. HAB 90 and bare tooth. Micro hardness of the cross section cutted from the hardfaced samples and un hardened sample was also studied using Brinell Hardness Testing Machine. Scanning Electron Microscopy was done to analyze the morphology of the surfaces of hardened and un hardened surfaces of samples.
by Ashish Sharma | Sandeep Kumar “”Experimental Investigation of the Wear Behaviour of Excavator Bucket Teeth by Hardfacing Technique””
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-6 , October 2019,
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