The comparison of the sintering methods for diamond cutting tools
Journal Title: Journal of Achievements in Materials and Manufacturing Engineering - Year 2016, Vol 76, Issue 1
Abstract
Purpose: Aim of this study is to compare mechanical, physical, microstructural propertiesof diamond cutting tools (DCTs) made of Co-Ni-Cu-Sn matrix, produced by Spark PlasmaSintering (SPS) and Conventional Sintering (CS) methods. The main reason for this researchis choosing the most convenient and economically manufacturing method for diamondcutting tools.Design/methodology/approach: Aim of this study is to compare mechanical, physical,microstructural properties of diamond cutting tools (DCTs) made of Co-Ni-Cu-Sn matrix,produced by Spark Plasma Sintering (SPS) and Conventional Sintering (CS) methods.The main reason for this research is choosing the most convenient and economicallymanufacturing method for diamond cutting tools.Findings: The results showed that, the density values of the samples which are producedtwo different sintering methods are similar. However, the mechanical and microstructureproperties of the samples which are produced by SPS method are decent. The robustmechanical properties were obtained at SPS method than CS method.Practical implications: Powder metallurgy is the most common method because offorming new diamond grains due to wearing of matrix. In powder metallurgy, ConventionalSintering (CS) and Spark Plasma Sintering (SPS) are used at DCTs production prevalently.SPS is a short and effective way to produce diamond tools but costs are higher andproduction capacity is lower than conventional sintering method.Originality/value: This paper demonstrates that the sintering methods can effect thecutting performances of the DCTs. The samples which are produced with CS method hadelevated cutting performance on-site field tests.
Authors and Affiliations
B. Bulut, O. Tazegul, M. Baydogan, E. S. Kayali
Keywords
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