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Investigation of Boron addition and compaction pressure on the compactibility, densification and microhardness of 316L Stainless Steel

Ali, S. and Rani, A.M.A. and Altaf, K. and Baig, Z. (2018) Investigation of Boron addition and compaction pressure on the compactibility, densification and microhardness of 316L Stainless Steel. IOP Conference Series: Materials Science and Engineering, 344 (1).

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Abstract

Powder Metallurgy (P/M) is one of the continually evolving technologies used for producing metal materials of various sizes and shapes. However, some P/M materials have limited use in engineering for their performance deficiency including fully dense components. AISI 316L Stainless Steel (SS) is one of the promising materials used in P/M that combines outstanding corrosion resistance, strength and ductility for numerous applications. It is important to analyze the material composition along with the processing conditions that lead to a superior behaviour of the parts manufactured with P/M technique. This research investigates the effect of Boron addition on the compactibility, densification, sintering characteristics and microhardness of 316L SS parts produced with P/M. In this study, 0.25 Boron was added to the 316L Stainless Steel matrix to study the increase in densification of the 316L SS samples. The samples were made at different compaction pressures ranging from 100 MPa to 600 MPa and sintered in Nitrogen atmosphere at a temperature of 1200°C. The effect of compaction pressure and sintering temperature and atmosphere on the density and microhardness was evaluated. The microstructure of the samples was examined by optical microscope and microhardness was found using Vickers hardness machine. Results of the study showed that sintered samples with Boron addition exhibited high densification with increase in microhardness as compared to pure 316L SS sintered samples. © Published under licence by IOP Publishing Ltd.

Item Type:Article
Impact Factor:cited By 0; Conference of 3rd International Conference on Science, Technology, and Interdisciplinary Research, IC-STAR 2017 ; Conference Date: 18 September 2017 Through 20 September 2017; Conference Code:135947
Uncontrolled Keywords:Boron; Compaction; Corrosion resistance; Densification; Integrated circuits; Microhardness; Powder metallurgy; Sintering; Stars; Steel corrosion; Vickers hardness, 316 L stainless steel; AISI316L stainless steel; Effect of boron addition; Material compositions; Powder metallurgy (P/M); Sintering characteristics; Sintering temperatures; Strength and ductilities, Austenitic stainless steel
ID Code:21609
Deposited By: Ahmad Suhairi
Deposited On:25 Sep 2018 00:46
Last Modified:25 Sep 2018 00:46

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