Influence of Grain Size and Grain Boundary of Workpiece on Micro EDM

Qing Yu Liu; Qin He Zhang; Jian Hua Zhang; Min Zhang

doi:10.4028/www.scientific.net/AMR.941-944.2116

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 941-944Influence of Grain Size and Grain Boundary of...

Influence of Grain Size and Grain Boundary of Workpiece on Micro EDM

Abstract:

Micro EDM is used to machine micro features which are of the same size order as material microstructure of workpiece. Due to the difference of the thermal properties between the crystal grain and grain boundary, the machining performance of micro EDM varies with the crystal grain sizes of workpiece. This paper investigated on the influence of grain size and grain boundary on the machining performance of micro EDM. By drilling micro holes on two pieces of stainless steel 304 (SUS 304) which are different in grain sizes, test results revealed that the characteristics of micro EDM is influenced by grain sizes of workpiece materials significantly.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

2116-2120

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.2116

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Online since:

June 2014

Authors:

Qing Yu Liu, Qin He Zhang*, Jian Hua Zhang, Min Zhang

Keywords:

Grain Boundary, Grain Size, Material Microstructure, Micro-EDM

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