Abstract
ISF technology was gradually considered as a manufacturing technology for fabricating sheet metal parts for both commercial and military aircraft. However, many challenges remain with respect to improving the consistency of the process, such as part thinning and springback. This is especially critical for two phase titanium alloy Ti-6AL-4V which has limited formability at room temperature. Therefore, understanding the correlation of laser system parameters and material properties is a key aspect for successful ISF of non-fractured Ti-6AL-4V. The laser heating is modelled to find the relationships between laser power, beam radius, scan speed, and the resultant temperature. The analysis shows that the temperature from laser heating increases with an increase in power, decreases significantly with an increase in beam radius, and decreases slightly with an increase in scan speed.
Highlights
Single point incremental sheet forming (SPIF) is a promising manufacturing technique in which sheet metal is formed without a dedicated die
The peak temperature was found to increase as laser power increased, decrease significantly as beam radius increased, and decrease slightly as scan speed increased
The choice of beam radius will depend on the width of heating required by the process
Summary
IOP Conf. Series: Materials Science and Engineering 672 (2019) 012066 doi:10.1088/1757-899X/672/1/012066 Advanced Forming Research Centre (AFRC), University of Strathclyde, United Kingdom 2 Department of Design, Manufacture and Engineering Management, University of Strathclyde, United Kingdom
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