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Size Effects in Thin Sheet Metal Forming

C. T., Ann and A. R., Razali and N. A. I., Zainudin and Y. W., Leong (2015) Size Effects in Thin Sheet Metal Forming. In: 3rd International Conference on Mechanical Engineering Research (ICMER 2015), 18-19 August 2015 , Kuantan, Pahang. pp. 1-10.. (Unpublished)

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Abstract

Negligible factors in bulk materials, such as grain-size effects, have proven inappropriate to be neglected for micro-forming processes. Studies had shown that material behaviour varies greatly with the increasing of the scale in the micro-forming world. Therefore, in every micro-forming-related process, especially in micro-stamping, studies and analyses of each material used for the process have to be considered as indispensable in order to be able to understand their behaviour and to be able to correlate their behaviour with the process. Uniaxial tensile-testing experiments have been carried out to determine the strip’s properties, behaviour and its correlation with the feeding process in micro-stamping/micro-sheet-forming application. Based on the results of the uniaxial tensile-test experiments conducted, the flow stress was found to decrease with the decrease of the strip thickness and vice versa, due to the size/scale effect. A surface model was used to explain the findings.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: Grain size effect; size effect; thin sheet metal forming; EBSD
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 04 Dec 2015 01:36
Last Modified: 10 Jan 2018 02:34
URI: http://umpir.ump.edu.my/id/eprint/10917
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