NDLI: Ultrasonic spot welding of dissimilar materials: characterization of welded joints and parametric optimization

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Ultrasonic spot welding of dissimilar materials: characterization of welded joints and parametric optimization

Content Provider	Scilit
Author	Satpathy, Mantra Prasad Sahoo, S. K.
Copyright Year	2016
Description	Journal: Iop Conference Series: Materials Science and Engineering Material joining is one of the key manufacturing processes used to assemble metallic and non-metallic parts for several applications. But the industries are facing many difficulties in joining of thin sheets of dissimilar metals by the conventional welding process because of their differences in chemical composition, physical and mechanical properties. Thus, ultrasonic welding is a solid state joining process used for joining of small elements in microelectronics industries. In this process, acoustic horn and booster are the important assets. The accuracy and strength of the welding depend mainly on their geometry. This proposed work deals with the design and modelling of an acoustic stepped sonotrode with booster using finite element analysis (FEA). From this analysis, the actual length of the horn is obtained by gradually decreasing its theoretical length. The quality of the weld is reckoned by its weld strength and the combinations of different process parameters. These are examined using the principal components coupled with grey relational analysis approach which is showing good agreement between the predicted values with experimental results. Fractographic examination of weld zone and hardness are also used to explore the weld quality.
Related Links	http://iopscience.iop.org/article/10.1088/1757-899X/115/1/012021/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/115/1/012021
Journal	Iop Conference Series: Materials Science and Engineering
Volume Number	115
Language	English
Publisher	IOP Publishing
Publisher Date	2016-02-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Automotive Engineering Finite Element Analysis Grey Relational Analysis Process Parameters Mechanical Properties Welded Joints
Content Type	Text
Resource Type	Article

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