Micro-Hardness Study on AISI P20 Steel Using Taguchi Method

Chandan Kumar Biswas; Ritanjali Sethi; Soumya Gangopadhyay

doi:10.4028/www.scientific.net/AMR.1133.319

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1133Micro-Hardness Study on AISI P20 Steel Using...

Micro-Hardness Study on AISI P20 Steel Using Taguchi Method

Abstract:

A well-designed experimental were conducted with L₁₈ Orthogonal Array (OA) based on the Taguchi method with input factors discharge current, pulse on time, lift time and flushing pressure. Micro hardness was measured and the mean of the observed values were plotted. The factors effecting the micro-hardness of the work-piece has been obtained. It is inferred that micro-hardness value increases with increase in discharge current and decreases with increase in Pulse on Time. The optimal condition for minimum hardness was found to be discharge current (Ip) = 2A, pulse on time (Ton) = 500μs, lift time (Tup)= 1.4 ms and flushing pressure (Fp)= 0.2 kgf/cm².

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Periodical:

Advanced Materials Research (Volume 1133)

Pages:

319-323

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1133.319

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Online since:

January 2016

Authors:

Chandan Kumar Biswas*, Ritanjali Sethi, Soumya Gangopadhyay

Keywords:

AISI P20 Tool Steel, ANOVA, Electric Discharge Machining (EDM), Micro Hardness, Taguchi Method

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